CN105145478A - Feeding method for promoting growth of tissues, organs and gastrointestinal tracts of 0-2 months lambs - Google Patents
Feeding method for promoting growth of tissues, organs and gastrointestinal tracts of 0-2 months lambs Download PDFInfo
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
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Abstract
The invention provides a feeding method for promoting growth of tissues, organs and gastrointestinal tracts of 0-2 months lambs, wherein lambs are lactated along with ewes from newborns to 14-days-old, are gradually transited to feed milk replacers from breast milk in 15-17-days-old, are weaned in 18-days-old, and are feed with the milk replacers until 60-days-old. Simultaneously, the lambs are trained to pick and eat particle starter feeds in 14-days-old, and the feeding amount of the particle starter feeds starts to be increased after the lambs are weaned for 5 days, thereby guaranteeing the lambs to be capable of eating the starter feeds. The feeding method for promoting growth of tissues, organs and gastrointestinal tracts of 0-2 months lambs determines suggested feeding amounts of scientific milk replacers and starter feeds, can promote tissues, organs and gastrointestinal tracts of lambs to healthily grow, and furthest remits weaned stress.
Description
Technical field
The present invention relates to technical field of animal husbandry, specifically, relate to the raising method of a kind of promotion 0 ~ 2 monthly age lamb histoorgan and gastrointestinal development.
Background technology
China is sheep raising big country of the world, livestock on hand 2.8 hundred million, and produce about 4,000,000 tons, mutton per year, but mutton holds at high price, higher than international market level, sheep raising technological lag have impact on the development of industry.The annual newborn lamb of China more than 100,000,000, but lethality is more than 10%, namely dead lamb is more than 1,000 ten thousand, causes massive losses to the regenerative ratio of livestock breeding.One of reason is exactly malnutrition or the imbalance of lamb lactation (0 ~ 2 monthly age).Research finds, only relies on breast milk can not meet lamb, the especially nutritional need of polyembryony lamb, and then can have influence on the normal development of lamb body, especially histoorgan and GI growth.At present, China's sheep husbandry is just cultivated to modernization by tradition, and changed by the direction of raising scattered to scale and intensive culture, this just requires that the lamb of coming into being to 2 monthly ages has close growth rate and development degree.And due to lamb body development bad, especially the difference of body weight is large, has a strong impact on feeding and management that is intensive and scale.
The performance of coming into being to the lamb histoorgan at 2 monthly ages and gastrointestinal development Degree of Accord Relation to a sheep late growing stage and productivity.Research shows, Visceral weight and shoot formation have reacted the development condition of animal body, and internal organs quality can as the indication index of its function, the nutrition condition of internal organs indicial response animal and states of physiologic function.Such as, liver is digestion and metabolism organ maximum in internal organs.Liver metabolism activity is subject to the impact of liver metabolism substrate content and type change, and liver metabolism activity increases, and showing liver weight increases.And the degree direct influence of the growth of lamb complex stomach is to the availability of a sheep later stage feed intake and feed, the especially growth of cud.Enteron aisle particularly small intestine is the main portions that nutrient digestion absorbs, and with complex stomach shared digestion, what the change of its weight reflected nutriment digests and assimilates situation.At present, about the research of yard feeding pattern to 0 ~ 2 monthly age lamb histoorgan and gastrointestinal development is very limited.Our research finds, trophic factor is one of key factor of restriction 0 ~ 2 monthly age development of digestive organ of lamb, especially has significant impact to the growth of cud and liver.By yard feeding pattern regulation and control lamb nutriment intake, lamb internal organs and GI growth effectively can be promoted.
Summary of the invention
In order to solve problems of the prior art, the object of this invention is to provide the raising method of a kind of promotion 0 ~ 2 monthly age lamb histoorgan and gastrointestinal development.
In order to realize the object of the invention, technical scheme of the present invention is as follows:
Promote a raising method for 0 ~ 2 monthly age lamb histoorgan and gastrointestinal development, lamb is come into being and raises with female lactation in delivery room to 14 ages in days, and 15 ~ 17 ages in days are progressively transitioned into from breast milk milk replacer of feeding; To 18 days old lamb wean, be separated with ewe, transfer to lamb give up by delivery room, feed milk replacer until 60 ages in days in lamb drylot feeding, period is according to lamb age in days adjustment milk replacer scale of feeding every day; Meanwhile, lamb starts training in 14 ages in days and to search for food particle opened guideway, and lamb starts quantitatively to increase opened guideway scale of feeding after weaning 5 days, and opened guideway is fed and do not limit number of times, ensures that lamb can have opened guideway at any time.
Further, the scale of feeding of 15 ~ 17 days old lambs and feeding method are:
Lamb to be fed milk replacer 3 ~ 5 times every day; Milk replacer scale of feeding is respectively 15 ages in days: 20 ~ 40 grams/day; 16 ages in days: 60 ~ 80 grams/day; 17 ages in days: 80 ~ 100 grams/day;
Lamb is respectively 15 ages in days with the time of female lactation: every day 3 ~ 5 times, each 1 ~ 2 hour; 16 ages in days: every day 2 ~ 4 times, each 1 ~ 2 hour; 17 ages in days: every day 1 ~ 3 time, each 1 ~ 2 hour.
As preferably, the scale of feeding of 15 ~ 17 days old lambs and feeding method are:
Lamb to be fed milk replacer 4 times every day; The scale of feeding of milk replacer is respectively 15 ages in days: 30 grams/day; 16 ages in days: 60 grams/day; 17 ages in days: 90 grams/day;
Lamb is respectively 15 ages in days with the time of female lactation: every day 3 times, each 1 hour; 16 ages in days: every day 2 times, each 1 hour; 17 ages in days: every day 1 time, each 1 hour.
Further, after lamb wean, the scale of feeding of milk replacer and feeding method are:
18 ~ 56 ages in days, the milk replacer 2 ~ 4 times of feeding every day: wherein, 18 to 21 ages in days: 80 ~ 110 grams/day; 22 ~ 28 ages in days: 100 ~ 140 grams/day; 29 ~ 35 ages in days: 120 ~ 160 grams/day; 36 ~ 42 ages in days: 140 ~ 180 grams/day; 43 ~ 49 ages in days: 160 ~ 200 grams/day; 50 ~ 56 ages in days: 140 ~ 180 grams/day;
57 ~ 60 ages in days, stop feeding milk replacer: wherein gradually, 57 ~ 58 ages in days, the milk replacer 2 ~ 3 times of feeding every day, milk replacer scale of feeding 100 ~ 120 grams/day; 59 ~ 60 ages in days, the milk replacer 1 ~ 2 time of feeding every day, milk replacer scale of feeding 50 ~ 70 grams/day;
After 60 ages in days, lamb proceeds to and is bred as house, milk replacer of no longer feeding.
As preferably, after lamb wean, the scale of feeding of milk replacer and feeding method are:
18 ~ 56 ages in days, the milk replacer 3 times of feeding every day: wherein, 18 ~ 21 ages in days: 90 grams/day; 22 ~ 28 ages in days: 110 grams/day; 29 ~ 35 ages in days: 130 grams/day; 36 ~ 42 ages in days: 150 grams/day; 43 ~ 49 ages in days: 180 grams/day; 50 ~ 56 ages in days: 160 grams/day;
57 ~ 60 ages in days, stop feeding milk replacer: wherein gradually, 57 ~ 58 ages in days, the milk replacer 2 times of feeding every day, milk replacer scale of feeding 100 grams/day; 59 ~ 60 ages in days, the milk replacer 1 time of feeding every day, milk replacer scale of feeding 60 grams/day.
Further, the scale of feeding and the feeding method that quantitatively increase opened guideway are: opened guideway is fed and do not limit number of times, and 15 ~ 20 age in days opened guideway are arbitrarily searched for food, and scale of feeding is 0 ~ 20 gram/day; 21 ~ 56 ages in days, opened guideway scale of feeding linearly increases, and on the basis of 20 age in days scales of feeding, increases by 12 ~ 18 grams every day, to 56 age in days opened guideway scale of feeding 450 ~ 650 grams/day; 57 ~ 60 days old lamb opened guideway scales of feeding 500 ~ 700 grams/day.
As preferably, the scale of feeding and the feeding method that quantitatively increase opened guideway are: opened guideway is fed and do not limit number of times, and 15 ~ 20 age in days opened guideway are arbitrarily searched for food, and scale of feeding is 0 ~ 20 gram/day; 21 ~ 56 ages in days, opened guideway scale of feeding linearly increases, and on the basis of 20 age in days scales of feeding, increases by 15 grams every day, to 56 age in days opened guideway scale of feeding 550 grams/day; 57 ~ 60 days old lamb opened guideway 600 grams/day.
Further, the concocting method of described milk replacer is: before feeding 30 ~ 60 minutes with the brewed in hot water milk replacer being cooled to 50 DEG C after boiling, dry matter content in the milk replacer emulsion after brewing is kept 12.5% ~ 20%, to feed when milk replacer emulsion is cooled to 38 ~ 41 DEG C.
As preferably, the concocting method of described milk replacer is: feed first 40 minutes with the brewed in hot water milk replacer being cooled to 50 DEG C after boiling, keep dry matter content in the milk replacer emulsion after brewing 16%, to feed when milk replacer emulsion is cooled to 38 DEG C.
In preferred forms of the present invention, described method is specially:
Lamb is come into being and raises with female lactation in delivery room to 14 ages in days, then utilizes 3 day time to be progressively transitioned into from breast milk milk replacer of feeding; Be separated with ewe to 18 days old lambs, transfer to lamb by delivery room and give up; Lamb feeds milk replacer until 60 ages in days in lamb drylot feeding, and period is according to lamb age in days adjustment milk replacer scale of feeding every day; Meanwhile, lamb starts training in 14 ages in days and to search for food particle opened guideway, and lamb starts quantitatively to increase opened guideway scale of feeding after weaning 5 days, and opened guideway is fed and do not limit number of times, ensures that lamb can have opened guideway at any time;
Described 3 day transitional period lamb milk replacer scale of feeding and feeding method are: lamb to be fed milk replacer 4 times every day; The scale of feeding of milk replacer is respectively 15 ages in days: 30 grams/day; 16 ages in days: 60 grams/day; 17 ages in days: 90 grams/day; Lamb is respectively 15 ages in days with the time of female lactation: every day 3 times, each 1 hour, 16 ages in days: every day 2 times, each 1 hour, 17 ages in days: every day 1 time, each 1 hour;
Milk replacer scale of feeding after described lamb wean and feeding method are: lamb 18 ~ 56 age in days, the milk replacer 3 times of feeding every day; Milk replacer scale of feeding: 18 ~ 21 ages in days: 90 grams/day; 22 ~ 28 ages in days: 110 grams/day; 29 ~ 35 ages in days: 130 grams/day; 36 ~ 42 ages in days: 150 grams/day; 43 ~ 49 ages in days: 180 grams/day; 50 ~ 56 ages in days: 160 grams/day; 57 ~ 58 ages in days, the milk replacer 2 times of feeding every day, milk replacer scale of feeding 100 grams/day; 59 ~ 60 ages in days, the milk replacer 1 time of feeding every day, milk replacer scale of feeding 60 grams/day; After 60 ages in days, lamb proceeds to and is bred as house, milk replacer of no longer feeding;
The concocting method of described milk replacer is: feed first 40 minutes with the brewed in hot water milk replacer being cooled to 50 DEG C after boiling, keep dry matter content in the milk replacer emulsion after brewing 16%, to feed when milk replacer emulsion is cooled to 38 DEG C;
Scale of feeding and the feeding method of described quantitative increase opened guideway are: opened guideway is fed and do not limit number of times, and 15 ~ 20 age in days opened guideway are arbitrarily searched for food, and scale of feeding is 0 ~ 20 gram/day; 21 ~ 56 ages in days, opened guideway scale of feeding linearly increases, and on the basis of 20 age in days scales of feeding, increases by 15 grams every day; To 56 age in days opened guideway scale of feeding 550 grams/day; 57 ~ 60 days old lamb opened guideway 600 grams/day.
Beneficial effect of the present invention is:
The invention provides a kind of breeding technology promoting the vital tissue organs such as Liver Tissue of Lamb, cud, small intestine and gastrointestinal development, thus promote lamb digesting and assimilating nutriment, improve food utilization efficiency.The present invention is applicable to various children lamb in age, especially polyembryony lamb.Technology provided by the present invention is simple, easy to use.Be conducive to the quick healthy growth of lamb, and promote that ewe body condition recovers, shorten the breeding cycle.
The method of the invention, overcomes feeding of opened guideway in prior art and adopts the mode of free choice feeding, can not determine the actual feed intake of lamb and the defect on science wean opportunity.And the present invention determines the milk replacer of science and the suggestion scale of feeding of opened guideway, can promote lamb histoorgan and GI healthy development, farthest alleviate ablactation stress.
Accompanying drawing explanation
Fig. 1 is the milk replacer feed intake situation contrast of the lamb of 15 ~ 60 ages in days in the embodiment of the present invention 1,2,3.
Fig. 2 is that the opened guideway feed intake situation of the lamb of 15 ~ 60 ages in days in control group and embodiment 1,2,3 in experimental example of the present invention contrasts.
Fig. 3 is that the body weight of the lamb of 20,40,60 ages in days in control group and embodiment 1,2,3 in experimental example of the present invention contrasts.
Embodiment
Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Method in following embodiment, if no special instructions, is the conventional method of this area.Here involved all conventional raising method all refer to 0 ~ 2 the monthly age lamb.
The milk replacer used in embodiment is accurate lamb powered milk substitute, and producer is Beijing Precise Animal Nutrient Research Center; Opened guideway is accurate lamb opened guideway, and producer is Beijing Precise Animal Nutrient Research Center.
Embodiment 1
Lamb is come into being and raises with female lactation in delivery room to 14 ages in days, then utilizes 3 day time to be progressively transitioned into from breast milk milk replacer of feeding.Be separated with ewe to 18 days old lambs, transfer to lamb by delivery room and give up.Lamb feeds milk replacer until 60 ages in days in lamb drylot feeding, and period is according to lamb age in days adjustment milk replacer scale of feeding every day.Meanwhile, lamb starts training in 14 ages in days and to search for food particle opened guideway, and lamb starts quantitatively to increase opened guideway scale of feeding after weaning 5 days, and opened guideway is fed and do not limit number of times, ensures that lamb can have opened guideway at any time.
Described 3 day transitional period lamb milk replacer scale of feeding and feeding method are: lamb to be fed milk replacer 3 times every day; The scale of feeding of milk replacer is respectively 15 ages in days: 40 grams/day; 16 ages in days: 80 grams/day; 17 ages in days: 100 grams/day; Lamb is respectively 15 ages in days with the time of female lactation: every day 4 times, each 2 hours, 16 ages in days: every day 3 times, each 2 hours, 17 ages in days: every day 2 times, each 1 hour.
After wean, lamb goes to lamb drylot feeding by delivery room and supports.
Milk replacer scale of feeding after described lamb wean and feeding method are: lamb 18 ~ 56 age in days, the milk replacer 2 times of feeding every day.Wherein, 18 to 21 ages in days: 110 grams/day; 22 ~ 28 ages in days: 140 grams/day; 29 ~ 35 ages in days: 160 grams/day; 36 ~ 42 ages in days: 180 grams/day; 43 ~ 49 ages in days: 200 grams/day; 50 ~ 56 ages in days: 180 grams/day.57 ~ 60 ages in days stop milk replacer of feeding gradually, wherein, and 57 ~ 58 ages in days, the milk replacer 2 times of feeding every day, milk replacer scale of feeding 120 grams/day; 59 ~ 60 ages in days, the milk replacer 1 time of feeding every day, milk replacer scale of feeding 70 grams/day.After 60 ages in days, lamb proceeds to and is bred as house, milk replacer of no longer feeding.
The concocting method of described milk replacer is: feed first 30 minutes with the brewed in hot water milk replacer being cooled to 50 DEG C after boiling, keep dry matter content in the milk replacer emulsion after brewing 20%, to feed when milk replacer emulsion is cooled to 39 DEG C.
Scale of feeding and the feeding method of described quantitative increase opened guideway are: opened guideway is fed and do not limit number of times.15 ~ 20 ages in days: opened guideway is arbitrarily searched for food, scale of feeding is 0 ~ 20 gram/day; 21 ~ 56 ages in days, opened guideway scale of feeding linearly increases, and on the basis of 20 age in days scales of feeding, increases by 12 grams every day.To 56 age in days opened guideway scale of feeding 450 grams/day; 57 ~ 60 days old lamb opened guideway scales of feeding 500 grams/day.
Embodiment 2
Lamb is come into being and raises with female lactation in delivery room to 14 ages in days, then utilizes 3 day time to be progressively transitioned into from breast milk milk replacer of feeding.Be separated with ewe to 18 days old lambs, transfer to lamb by delivery room and give up.Lamb feeds milk replacer until 60 ages in days in lamb drylot feeding, and period is according to lamb age in days adjustment milk replacer scale of feeding every day.Meanwhile, lamb starts training in 14 ages in days and to search for food particle opened guideway, and lamb starts quantitatively to increase opened guideway scale of feeding after weaning 5 days, and opened guideway is fed and do not limit number of times, ensures that lamb can have opened guideway at any time.
Described 3 day transitional period lamb milk replacer scale of feeding and feeding method are: lamb to be fed milk replacer 5 times every day; The scale of feeding of milk replacer is respectively 15 ages in days: 20 grams/day; 16 ages in days: 60 grams/day; 17 ages in days: 80 grams/day; Lamb is respectively 15 ages in days with the time of female lactation: every day 5 times, each 1 hour, 16 ages in days: every day 4 times, each 1 hour, 17 ages in days: every day 3 times, each 1 hour.
After wean, lamb goes to lamb drylot feeding by delivery room and supports.
Milk replacer scale of feeding after described lamb wean and feeding method are: lamb 18 ~ 56 age in days, the milk replacer 4 times of feeding every day.Wherein, 18 to 21 ages in days: 80 grams/day; 22 ~ 28 ages in days: 100 grams/day; 29 ~ 35 ages in days: 120 grams/day; 36 ~ 42 ages in days: 140 grams/day; 43 ~ 49 ages in days: 160 grams/day; 50 ~ 56 ages in days: 140 grams/day.57 ~ 58 ages in days, the milk replacer 3 times of feeding every day, milk replacer scale of feeding 100 grams/day; 59 ~ 60 ages in days, the milk replacer 2 times of feeding every day, milk replacer scale of feeding 50 grams/day.After 60 ages in days, lamb proceeds to and is bred as house, milk replacer of no longer feeding.
The concocting method of described milk replacer is: feed first 60 minutes with the brewed in hot water milk replacer being cooled to 50 DEG C after boiling, keep dry matter content in the milk replacer emulsion after brewing 12.5%%, to feed when milk replacer emulsion is cooled to 38 DEG C.
Scale of feeding and the feeding method of described quantitative increase opened guideway are: opened guideway is fed and do not limit number of times.15 ~ 20 age in days opened guideway are arbitrarily searched for food, and scale of feeding is 0 ~ 20 gram/day; 21 ~ 56 ages in days, opened guideway scale of feeding linearly increases, and on the basis of 20 age in days scales of feeding, increases by 18 grams every day.To 56 age in days opened guideway scale of feeding 650 grams/day; 57 ~ 60 days old lamb opened guideway scales of feeding 700 grams/day.
Embodiment 3
Lamb is come into being and raises with female lactation in delivery room to 14 ages in days, then utilizes 3 day time to be progressively transitioned into from breast milk milk replacer of feeding.Be separated with ewe to 18 days old lambs, transfer to lamb by delivery room and give up.Lamb feeds milk replacer until 60 ages in days in lamb drylot feeding, and period is according to lamb age in days adjustment milk replacer scale of feeding every day.Meanwhile, lamb starts training in 14 ages in days and to search for food particle opened guideway, and lamb starts quantitatively to increase opened guideway scale of feeding after weaning 5 days, and opened guideway is fed and do not limit number of times, ensures that lamb can have opened guideway at any time.
Described 3 day transitional period lamb milk replacer scale of feeding and feeding method are: lamb to be fed milk replacer 4 times every day; The scale of feeding of milk replacer is respectively 15 ages in days: 30 grams/day; 16 ages in days: 60 grams/day; 17 ages in days: 90 grams/day; Lamb is respectively 15 ages in days with the time of female lactation: every day 3 times, each 1 hour, 16 ages in days: every day 2 times, each 1 hour, 17 ages in days: every day 1 time, each 1 hour.
After wean, lamb goes to lamb drylot feeding by delivery room and supports.
Milk replacer scale of feeding after described lamb wean and feeding method are: lamb 18 ~ 56 age in days, the milk replacer 3 times of feeding every day; Milk replacer scale of feeding: 18 ~ 21 ages in days: 90 grams/day; 22 ~ 28 ages in days: 110 grams/day; 29 ~ 35 ages in days: 130 grams/day; 36 ~ 42 ages in days: 150 grams/day; 43 ~ 49 ages in days: 180 grams/day; 50 ~ 56 ages in days: 160 grams/day.57 ~ 58 ages in days, the milk replacer 2 times of feeding every day, milk replacer scale of feeding 100 grams/day; 59 ~ 60 ages in days, the milk replacer 1 time of feeding every day, milk replacer scale of feeding 60 grams/day.After 60 ages in days, lamb proceeds to and is bred as house, milk replacer of no longer feeding.
The concocting method of described milk replacer is: feed first 40 minutes with the brewed in hot water milk replacer being cooled to 50 DEG C after boiling, keep dry matter content in the milk replacer emulsion after brewing 16%, to feed when milk replacer emulsion is cooled to 38 DEG C.
Scale of feeding and the feeding method of described quantitative increase opened guideway are: opened guideway is fed and do not limit number of times, and 15 ~ 20 age in days opened guideway are arbitrarily searched for food, and scale of feeding is 0 ~ 20 gram/day; 21 ~ 56 ages in days, opened guideway scale of feeding linearly increases, and on the basis of 20 age in days feed intakes, increases by 15 grams every day.To 56 age in days opened guideway scale of feeding 550 grams/day; 57 ~ 60 days old lamb opened guideway scales of feeding 600 grams/day.
Experimental example:
Below the lamb feeding experiment report adopting embodiment:
1, test material and method: experimental animal is new-bom lamb 64, kind is the sheep lamb originating from Jiangsu Province, China.64 test lambs are divided into four groups, often organize 4 repetitions, often repeat 4 lambs, male and female half and half.Control group adopts traditional raising to 60 ages in days with female lactation mode.Test one, two, three group of lamb 0 ~ 14 age in days with female lactation, 15 ~ 60 ages in days adopt the method for the embodiment of the present invention 1,2,3 to raise.Milk replacer described in embodiment and the trophic level of opened guideway are in table 1.
Table 1 milk replacer and opened guideway trophic level (dry matter basis, %)
| Index | Dry matter | Crude protein | Crude fat | Raw fiber | Calcium | Total phosphorus | Digestible energy MJ/kg |
| Milk replacer | 94.45 | 24.31 | 20.23 | 0.23 | 0.94 | 0.67 | 18.12 |
| Opened guideway | 86.22 | 18.50 | 2.46 | 4.83 | 0.26 | 0.43 | 12.95 |
Note: trophic level except digestible energy be calculated value other be measured value.
2, testing index: precise lamb 20,40,60 age in days body weight, and to record between lamb 20 ~ 60 age in days milk replacer and opened guideway feed intake every day.When lamb 60 age in days often group choose health, close to average weight 4 lamb fasting, prohibit water 16h after butcher, be separated each histoorgan of lamb and intestines and stomach and weigh.
3, result of the test
3.1 lamb growth performances
The feature of coming into being to 2 monthly age Lamb Growths is fast growths, and plasticity is strong.In this experimental example, the lamb duration of test average weight gain of control group, embodiment 1,2,3 is respectively 7.25kg, 7.45kg, 7.60kg, 8.95kg; Embodiment 3 gaining in weight of lamb speed is better than other three groups, and comparatively other three groups of speed of weight increment improve 23%, 21% and 17% respectively.The average opened guideway feed intake of lamb 60 age in days of control group, embodiment 1,2,3 is respectively 521,537,576,615g/d, embodiment 3 lamb opened guideway feed intake respectively comparatively other three groups improve 7.0%, 14.8% and 18.2% (Fig. 1 ~ Fig. 3).Show that feeding of lamb powered milk substitute is closely related with searching for food of opened guideway, the feeding method of embodiment 3 improves lamb opened guideway feed intake, meets lamb nutritional need, facilitates growing of lamb.
3.2 lamb vitals are grown
Pluck organ weight and shoot formation have reacted the development condition of animal body, and internal organs quality can as the approximate indication of its function, the nutrition condition of internal organs indicial response animal and states of physiologic function.Especially liver, as digestion and metabolism organ maximum in internal organs, the increase of its metabolic activity is subject to the impact of liver metabolism substrate content and type change, and liver metabolism activity increases, and showing liver weight increases.As can be seen from Table 2, heavy and its ratio accounting for Slaughter weight of the liver of embodiment 2,3 groups of lambs is significantly higher than control group and embodiment 1 group (P<0.05), and embodiment 3 groups of Liver Tissue of Lambs are numerically higher than embodiment 2 groups.The spleen weight of embodiment 1 group of lamb is significantly lower than embodiment 2,3 (P<0.05), not remarkable with control group difference.The weight of each group of lamb heart, lungs and kidney and account for Slaughter weight ratio without significant difference (P>0.05); Show that embodiment 3 and 2 facilitates the growth of Liver Tissue of Lamb, contribute to improving lamb digesting and assimilating feed nutrition material.
Table 2 lamb internal organs are grown
3.3 lamb complex stomach are grown
The degree direct influence of the growth of lamb complex stomach to the availability of a sheep later stage feed intake and feed, the especially growth of cud.21 ages in days to 56 ages in days be lamb cud from non-transition stage of ruminating, this stage cud is in the Rapid development phase.Can be obtained by table 3, embodiment 2,3 groups of lamb cud weight and the ratio accounting for complex stomach thereof are all significantly higher than embodiment 1 and control group (P<0.05), and the cud weight of embodiment 3 lamb is significantly higher than embodiment 2 (P<0.05).The weight of each group of lamb reticulum, omasum and abomasum and account for Slaughter weight ratio all without significant difference (P>0.05).The ratio that the omasum of BR group accounts for complex stomach is higher than PR group and CON group (P<0.05).Do not occur the difference (P>0.05) of significance between ratio four groups that abomasum accounts for complex stomach, but numerically embodiment 3 groups of lambs are still better than other each group.Feeding manner has uniformity to the impact that liver and cud are grown.The feeding manner of embodiment 3 facilitates the growth of lamb cud.
Table 3 lamb complex stomach is grown
2.4 lamb intestinal growths
Enteron aisle particularly small intestine is the main portions that nutrient digestion absorbs, and the change of its weight affects digesting and assimilating of nutriment.Embodiment 2,3 groups of lamb small intestines and large intestine weight are all significantly higher than embodiment 1 and control group (P<0.05), and embodiment 3 when numerical value on higher than embodiment 2.The ratio that enteron aisle weight accounts for Slaughter weight has no marked change (P>0.05) (table 4).Show that embodiment 2 and 3 groups facilitate lamb intestinal growth.
Table 4 lamb intestinal growth
In sum, have close relationship between the feed intake of lamb milk replacer and lamb opened guideway, in the present invention, the feeding manner of embodiment 3 facilitates the raising of lamb opened guideway feed intake.Growth in conjunction with liver, cud, enteron aisle can find that the growth of different raising method on lamb histoorgan and enteron aisle has significant impact.Again in conjunction with the Changing Pattern of lamb opened guideway feed intake, the growth of known Liver Tissue of Lamb, cud and enteron aisle and milk replacer and opened guideway feed intake closely related.The higher opened guideway feed intake of the embodiment of the present invention 3 groups of lambs make lumen fermentation produce more volatile acid especially butyric acid can promote that cud is grown, the growth of cud provides more nutrient to liver and enteron aisle thus facilitates the growth of the latter.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (10)
1. promote a raising method for 0 ~ 2 monthly age lamb histoorgan and gastrointestinal development, it is characterized in that, lamb is come into being to 14 ages in days with female lactation, and 15 ~ 17 ages in days are progressively transitioned into from breast milk milk replacer of feeding; To 18 days old lamb wean, milk replacer of feeding is until 60 ages in days; Meanwhile, lamb starts training in 14 ages in days and to search for food particle opened guideway, and lamb starts quantitatively to increase opened guideway scale of feeding after weaning 5 days, ensures that lamb can have opened guideway at any time.
2. method according to claim 1, is characterized in that, the scale of feeding of 15 ~ 17 days old lambs and feeding method are:
Lamb to be fed milk replacer 3 ~ 5 times every day; Milk replacer scale of feeding is respectively 15 ages in days: 20 ~ 40 grams/day; 16 ages in days: 60 ~ 80 grams/day; 17 ages in days: 80 ~ 100 grams/day;
Lamb is respectively 15 ages in days with the time of female lactation: every day 3 ~ 5 times, each 1 ~ 2 hour; 16 ages in days: every day 2 ~ 4 times, each 1 ~ 2 hour; 17 ages in days: every day 1 ~ 3 time, each 1 ~ 2 hour.
3. method according to claim 2, is characterized in that, the scale of feeding of 15 ~ 17 days old lambs and feeding method are:
Lamb to be fed milk replacer 4 times every day; The scale of feeding of milk replacer is respectively 15 ages in days: 30 grams/day; 16 ages in days: 60 grams/day; 17 ages in days: 90 grams/day;
Lamb is respectively 15 ages in days with the time of female lactation: every day 3 times, each 1 hour; 16 ages in days: every day 2 times, each 1 hour; 17 ages in days: every day 1 time, each 1 hour.
4. method according to claim 1, is characterized in that, scale of feeding and the feeding method of the rear milk replacer of lamb wean are:
18 ~ 56 ages in days, the milk replacer 2 ~ 4 times of feeding every day: wherein, 18 to 21 ages in days: 80 ~ 110 grams/day; 22 ~ 28 ages in days: 100 ~ 140 grams/day; 29 ~ 35 ages in days: 120 ~ 160 grams/day; 36 ~ 42 ages in days: 140 ~ 180 grams/day; 43 ~ 49 ages in days: 160 ~ 200 grams/day; 50 ~ 56 ages in days: 140 ~ 180 grams/day;
57 ~ 60 ages in days, stop feeding milk replacer: wherein gradually, 57 ~ 58 ages in days, the milk replacer 2 ~ 3 times of feeding every day, milk replacer scale of feeding 100 ~ 120 grams/day;
59 ~ 60 ages in days, the milk replacer 1 ~ 2 time of feeding every day, milk replacer scale of feeding 50 ~ 70 grams/day;
After 60 ages in days, lamb proceeds to and is bred as house, milk replacer of no longer feeding.
5. method according to claim 4, is characterized in that, scale of feeding and the feeding method of the rear milk replacer of lamb wean are:
18 ~ 56 ages in days, the milk replacer 3 times of feeding every day: wherein, 18 ~ 21 ages in days: 90 grams/day; 22 ~ 28 ages in days: 110 grams/day; 29 ~ 35 ages in days: 130 grams/day; 36 ~ 42 ages in days: 150 grams/day; 43 ~ 49 ages in days: 180 grams/day; 50 ~ 56 ages in days: 160 grams/day;
57 ~ 60 ages in days, stop feeding milk replacer: wherein gradually, 57 ~ 58 ages in days, the milk replacer 2 times of feeding every day, milk replacer scale of feeding 100 grams/day;
59 ~ 60 ages in days, the milk replacer 1 time of feeding every day, milk replacer scale of feeding 60 grams/day.
6. method according to claim 1, is characterized in that, the scale of feeding and the feeding method that quantitatively increase opened guideway are: opened guideway is fed and do not limit number of times, and 15 ~ 20 age in days opened guideway are arbitrarily searched for food, and scale of feeding is 0 ~ 20 gram/day; 21 ~ 56 ages in days, opened guideway scale of feeding linearly increases, and on the basis of 20 age in days scales of feeding, increases by 12 ~ 18 grams every day, to 56 age in days opened guideway scale of feeding 450 ~ 650 grams/day; 57 ~ 60 days old lamb opened guideway scales of feeding 500 ~ 700 grams/day.
7. method according to claim 6, is characterized in that, the scale of feeding and the feeding method that quantitatively increase opened guideway are: opened guideway is fed and do not limit number of times, and 15 ~ 20 age in days opened guideway are arbitrarily searched for food, and scale of feeding is 0 ~ 20 gram/day; 21 ~ 56 ages in days, opened guideway scale of feeding linearly increases, and on the basis of 20 age in days scales of feeding, increases by 15 grams every day, to 56 age in days opened guideway scale of feeding 550 grams/day; 57 ~ 60 days old lamb opened guideway 600 grams/day.
8. method according to claims 1 to 7, it is characterized in that, the concocting method of described milk replacer is: before feeding 30 ~ 60 minutes with the brewed in hot water milk replacer being cooled to 50 DEG C after boiling, dry matter content in the milk replacer emulsion after brewing is kept 12.5% ~ 20%, to feed when milk replacer emulsion is cooled to 38 ~ 41 DEG C.
9. method according to claim 8, it is characterized in that, the concocting method of described milk replacer is: feed first 40 minutes with the brewed in hot water milk replacer being cooled to 50 DEG C after boiling, keep dry matter content in the milk replacer emulsion after brewing 16%, to feed when milk replacer emulsion is cooled to 38 DEG C.
10. method according to claim 1, is characterized in that, described method is specially:
Lamb is come into being and raises with female lactation in delivery room to 14 ages in days, then utilizes 3 day time to be progressively transitioned into from breast milk milk replacer of feeding; Be separated with ewe to 18 days old lambs, transfer to lamb by delivery room and give up; Lamb feeds milk replacer until 60 ages in days in lamb drylot feeding, and period is according to lamb age in days adjustment milk replacer scale of feeding every day; Meanwhile, lamb starts training in 14 ages in days and to search for food particle opened guideway, and lamb starts quantitatively to increase opened guideway scale of feeding after weaning 5 days, and opened guideway is fed and do not limit number of times, ensures that lamb can have opened guideway at any time;
Described 3 day transitional period lamb milk replacer scale of feeding and feeding method are: lamb to be fed milk replacer 4 times every day; The scale of feeding of milk replacer is respectively 15 ages in days: 30 grams/day; 16 ages in days: 60 grams/day; 17 ages in days: 90 grams/day; Lamb is respectively 15 ages in days with the time of female lactation: every day 3 times, each 1 hour, 16 ages in days: every day 2 times, each 1 hour, 17 ages in days: every day 1 time, each 1 hour;
Milk replacer scale of feeding after described lamb wean and feeding method are: lamb 18 ~ 56 age in days, the milk replacer 3 times of feeding every day; Milk replacer scale of feeding: 18 ~ 21 ages in days: 90 grams/day; 22 ~ 28 ages in days: 110 grams/day; 29 ~ 35 ages in days: 130 grams/day; 36 ~ 42 ages in days: 150 grams/day; 43 ~ 49 ages in days: 180 grams/day; 50 ~ 56 ages in days: 160 grams/day; 57 ~ 58 ages in days, the milk replacer 2 times of feeding every day, milk replacer scale of feeding 100 grams/day; 59 ~ 60 ages in days, the milk replacer 1 time of feeding every day, milk replacer scale of feeding 60 grams/day; After 60 ages in days, lamb proceeds to and is bred as house, milk replacer of no longer feeding;
The concocting method of described milk replacer is: feed first 40 minutes with the brewed in hot water milk replacer being cooled to 50 DEG C after boiling, keep dry matter content in the milk replacer emulsion after brewing 16%, to feed when milk replacer emulsion is cooled to 38 DEG C;
Scale of feeding and the feeding method of described quantitative increase opened guideway are: opened guideway is fed and do not limit number of times, and 15 ~ 20 age in days opened guideway are arbitrarily searched for food, and scale of feeding is 0 ~ 20 gram/day; 21 ~ 56 ages in days, opened guideway scale of feeding linearly increases, and on the basis of 20 age in days scales of feeding, increases by 15 grams every day; To 56 age in days opened guideway scale of feeding 550 grams/day; 57 ~ 60 days old lamb opened guideway scales of feeding 600 grams/day.
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| CN109566528A (en) * | 2018-11-30 | 2019-04-05 | 宿松县荣学农业开发有限公司 | A kind of weaning period method for breeding of mountain lamb |
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