CN101642077B - Novel method for feeding egg newborn chick with high efficiency - Google Patents
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Abstract
The invention discloses a method for feeding an egg newborn chick with high efficiency in the field of agricultural pasturage breeding. The method takes a mode that body type indexes reach the standard as a standard and finds out the body type indexes that the determining degree of the brooding period of layers to the laying performance is maximum. The breeding process comprises the following steps: a preventive medicine of one treatment course is added in the feed of 3-5 days before 20 ages in days in the 7-11 ages in days of a newborn chick; within 1-2 days before and after immunization of each time, a stress-resisting additive is added into the drinking water of the newborn chick; the nutritional level of rations of 0-3 ages in week or 0-4 ages in week is higher than that of rations at the later period of brooding; the newborn chick is fed with a feed to 8 ages in week; and after 8 weeks, the feed is replaced by rations for raising grown chickens. Compared with a conventional breeding method, the method enhances the standard reaching rates of the body weight and the shank length of the newborn chick with 8 ages in week by 12.4% and 9.3% respectively, enhances the uniformity of chick colonies by 8.4%, enhances the egg yield by 7.2%, lowers the mortality rate of the laying period by 4.3% and enhances the benefit of breeding chickens by 18.7%; and the input-output ratio averagely reaches 1:8.1.
Description
Technical field
The invention belongs to the livestock-raising technology in the agriculture field, be specifically related to a kind of method of feeding egg newborn chick with high efficiency, the method is weighed the feeding effect of egg chick by the standard of build index.
Background technology
Modern study shows: the basis of decision laying hen productivity quality depends primarily on the development degree of build in vegetative period.The build of chicken is meant the general name of other material in skeleton, muscle, internal organ, feather and the body, and body weight commonly used and shin long (being strong correlation with the growth of chicken body skeleton) " two index " are weighed.Particularly the brooding the stage of laying hen (0～8 age in week), the body weight gain of chicken accounts for about 27% of adult weight, and the long increment of shin for grow up 75%～80%, two indexs are grown very imbalance, will inevitably cause the laying hen build is grown the deviation of estimation and finally influenced its productivity if only weigh with one of them index.But in producing at present, egg chick " the physiological stage method for breeding " that are changed to the basis with " age in days " that adopt more, be age in 0-6 week chicken feed chicken feed, change for 7 ages in week feed trophic level lower breed the chicken feed, the development degree of the build index that has no basis is adjusted daily ration.Also generally only ignore the shin long pointer with body weight even if detect the build index, frequent immunity of egg breeding chickling phase etc. stress negative effect in addition.Like this, this ubiquitous problem of chicken build depauperation of brooding has become the one of the main reasons of present China layer breeding technology and external advanced level gap.How to change conventional egg breeding chickling management method, make the build of chicken obtain the technical barrier that best growth is a reality in producing at present, the domestic research report that strong operability is not arranged in this regard as yet.
Summary of the invention
At existing laying hens in brooding period defective or deficiency that (0～8 age in week), raising method existed, the invention provides a kind of method of feeding egg newborn chick with high efficiency.This method has been found out the build index (body weight, shin long pointer) of laying hens in brooding period to egg laying performance decision degree maximum by research, and the efficient feeding and management method that comes optimising and adjustment build index to grow by the diet nutrient approach, fundamentally remedied the shortcoming that is changed to " the physiological stage method for breeding " on basis in the present production with " chicken age ", established good basis for cultivating high-yield egg chicken.
In order to realize above-mentioned task, the present invention adopts following technical solution:
A kind of feeding egg newborn chick with high efficiency method, it is characterized in that, this method determines the principle of its productivity according to the build development degree of laying hen, by studies show that 6-8 build index in age in week is the build index of laying hens in brooding period to egg laying performance decision degree maximum, whole brood time is grown based on the maximum of regulation and control 6-8 build index in age in week, to chicken feed adopt high-energy (2900 kilocalories/kg～2950 kilocalories/kg), the daily ration of high protein (20%-20.5%), its feeding process is as follows:
The feed nutrition level is divided two stages:
The chick in age in the 0-3 week high-level nutritious diet (pellet) of feeding consists of: corn: 60.2%-63.04%; Dregs of beans: 18%-21%; Rapeseed dregs: 1.1%-1.9%; Corn protein powder: 5%-7%; Fish meal: 1.5%-3.0%; Vegetable oil: 1.5%-2.5%; Garlic powder: 0.3%-0.6%; Methionine: 0.1%-0.21%; Lysine: 0.1%-0.15%; Egg chick mineral, compound vitamin additive: 5%, the percentage sum of above-mentioned raw materials is 100%.
The chick daily ration prescription (pellet) in age in 4-8 week consists of: corn: 59.2%-62.6%; Dregs of beans: 18%-19.8%; Rapeseed dregs: 2%-4%; Corn protein powder: 5.5%-6.8%; Fish meal: 1%-3%; Vegetable oil: 1.5%-2.3%; Garlic powder: 0.3%-0.5%; Methionine: 0.1%-0.2%; Lysine: 0.08%-0.12%; Egg chick mineral, compound vitamin additive: 5%, the percentage sum of above-mentioned raw materials is 100%.
Said compound vitamin additive is by Ca, P, salt, vitamin and the trace element preparation of GB regulation.
Cooperate the application of above-mentioned feed, also need ride out critical days and raise: the broad spectrum antibiotic medicine (selection commercially available prod) that promptly in chick 7-9 age in days feed, adds prevention Escherichia coli, mycoplasma infection continuously; Before chick 20 ages in days, add the medicine (selection commercially available prod) of 3-5 days prevention coccidiosis in the feed continuously; Added water-soluble multidimensional electrolyte (selection commercially available prod) in the inherent chick drinking-water in 1-2 days before and after each immunity of chick;
In the feeding and management process, to be standard with the breed type index of raising, detecting the chicken group (detects the chicken number and accounts for 5% of colony's sum, but minimum is 100) the build index in age in brood time 6-8 week, wherein shin length is as the first restriction index, body weight accounts for adult 75%～80% increment as the second restriction index to guarantee that this stage shin long hair is educated, and takes into account body weight and accounts for adult about 27% increment;
Chick meets or exceeds the standard of raising kind in 8 age ends in week if detect chicken group's average somatotype index, then is replaced by to breed chicken feed (autogamy or buying) by the GB preparation; Continue to use 4-8 age end feed to 9 week age in week if below standard criterion can prolong, be replaced by and breed daily grain of chicken (autogamy or buying) 10 age in week;
Feed the feed forbidding powder of egg chick in the said method.
The present invention adopts egg chick " the build index is up to standard " to cultivate the egg chick for standard, compare with the raising method of routine, chick body weight in 8 age in week, the long compliance rate of shin improve 12.4% and 9.3% respectively, the chicken colony uniformity improves 8.4%, egg production improves 7.2%, laying period,, lethality reduced by 4.3%, and the benefit of raising chickens improves 18.7%.
Embodiment
Technical thought of the present invention is: the build development degree of laying hen determines its productivity.Finding out the build index of laying hens in brooding period to egg laying performance decision degree maximum, is that main contents are selected suitable feed and main feeding and management way for use with maximum growth of the build index of regulating and control these optimizations.Mainly may further comprise the steps:
1) the build index of research laying hens in brooding period decision productivity optimum
Selecting healthy Luo Man (brown) commodity of 1 age in days of 25 scales more than 2000 is research object for layer breeding field (specialist), raise laying hen according to the unified feeding and management scheme of formulating, the every group of chicken that select colony 5% (more than 100) quantity at random distinguish weighing individual weight in 2,3,4,5,6,7,8 age in week and shin long, and add up 72 age in week index such as chicken group egg number every day, egg size, feed consumption rate, death toll, analyze body weight in different age in week, shin is long and the correlation of egg laying performance index.The result shows: with regard to regard to the decision degree of egg laying performance, age in same week, shin length was bigger than the decision degree of body weight; 8 age in week shin long, 6 age in week body weight than other all ages same index the decision degree big; Single index " two-way " (as the body weight and the uniformity thereof) and " two index " (age in same week, body weight and shin were long) more same index " unidirectional " or same week " single index " decision in age degree are big.Set up on this basis with dynamic model the optimization build index prediction laying hen egg yield (Y) of the big minispread of egg laying performance determination coefficient:
Y1=-132.752+0.211X1+0.031X2 (X1:8 body weight in age in week; X2:8 shin in age in week is long; R2=0.757; P＜0.001).
Y2=-4.715+0.022X1+0.175X2 (X1:6 body weight in age in week; X2:6 shin in age in week is long; R2=0.712; P＜0.001)
(X:8 shin in age in week is long for Y3=0.466X-19.45; R=0.679);
(X:6 shin in age in week is long for Y4=0.034X+0.809; R=0.625).
Conclusion (of pressure testing): the body weight in 6 ages in week of chick and 8 ages in week and shin length are to the decision degree maximum of egg laying performance.The CCP of laying hens in brooding period be how to regulate and control its age in 6 week and 8 age in week body weight and the long maximum of shin grow, wherein the shin long hair is educated as the first restriction index, body weight is as the second restriction index, account for adult 75%～80% increment to guarantee that this stage shin long hair is educated, take into account body weight and account for adult about 27% increment.
2) research guarantees the maximum feed compound method of growing of brood time optimization build index
Test divides two stages to carry out: a) 0-3 chick in age in week; B) 4-8 chick in age in week;
A) feed of 0-3 chick optimization in age in week: select 4800 chick to be divided into 16 groups, every group 3 is repeated, and 100 chickens of every repetition are designed totally 16 test combinations, 4 of fodder energy levels: 3000,2950,2900,2850 kilocalories/kg according to 2 * 4 factors; 4 of feed thick protein levels: 19%, 20%, 20.5%, 21%.Other trophic level of feed are by the GB preparation.Test shows that fodder energy is that 2950 kilocalories/kg, crude protein are feed feeding effect the best of 20.5%.
Concrete pellet consists of: corn: 62.03%; Dregs of beans: 20%; Rapeseed dregs: 1.5%; Corn protein powder: 6%; Fish meal: 2.5%; Vegetable oil: 2.2%; Garlic powder: 0.5%; Methionine: 0.15%; Lysine: 0.12%; Egg chick mineral, compound vitamin additive: 5% (by Ca, P, salt, vitamin and the preparation of micro-requirement of GB regulation).
B) feed of 4-8 chick optimization in age in week: experimental scale and method for designing are with 0-3 chick in age in week, and the feed nutrition level is: 4 of fodder energy levels: 2950,2900,2850,2800 kilocalories/kg; 4 of feed thick protein levels: 19%, 19.5%, 20%, 20.5%.Other trophic level of feed are by the GB preparation.Test shows that fodder energy is that 2900 kilocalories/kg, crude protein are feed feeding effect the best of 20%.
Its pellet consists of: corn: 61.5%; Dregs of beans: 19.38%; Rapeseed dregs: 3%; Corn protein powder: 6.5%; Fish meal: 2%; Vegetable oil: 2%; Garlic powder: 0.4%; Methionine: 0.12%; Lysine: 0.1%; Egg chick mineral, compound vitamin additive: 5% (by Ca, P, salt, vitamin and the preparation of micro-requirement of GB regulation).
3) the maximum feeding and management major control point of growing of research optimising and adjustment build index
Applying step 2) described optimization feed, the comparative trial by 24000 chickens of 8 accumulative total chicken group's scales optimizes following supporting feeding and management way:
1. ride out two difficulties of brood time:
One, the 7-11 age in days is changed into " external feed nutrition " by " endotrophic ", the more weak and easy infection bacteriosis of physique:
Reply way: the broad spectrum antibiotic medicine (freely selecting commercially available broad spectrum antibiotic medicine) that in chick 7-9 age in days feed, adds prevention Escherichia coli, mycoplasma infection continuously;
Two, intestinal microbial balance is subject to environmental change and is broken and cause the coccidia fungi pollution to drain bloody stool after 20 ages in days:
Reply way: the medicine (freely selecting the medicine of commercially available anti-coccidiosis) that before chick 20 ages in days, adds 3-5 days prevention coccidiosis in the feed continuously.
2. reduce the way of immunological stress negative effect: the frequent immunity of brood time is very big to the development impact of chick.Reply way: added water-soluble multidimensional electrolyte (freely selecting commercially available product) in the inherent chick drinking-water in 1-2 days before and after each immunity;
3. strict build index detects: the breed type index with raising is a standard, detecting the chicken group (detects the chicken number and accounts for 5% of colony's sum, but minimum is 100) the build index in ages in brood time 6,8 week, wherein shin long (particularly 8 age in week shin long) is as the first restriction index, and body weight (particularly 6 age in week body weight) is as the second restriction index;
4. whether definite feed up to standard is changed by chick build index.Chick meets or exceeds the standard of raising kind in 8 age ends in week if detect chicken group's average somatotype index, then is replaced by to breed chicken feed (autogamy or buying) by the GB preparation; Continue to use 4-8 age end feed to 9 week age in week if below standard criterion can prolong, be replaced by and breed daily grain of chicken (according to GB autogamy or buying) 10 age in week;
5. the feed of laying hens in brooding period must be used pellet;
6. laying hens in brooding period does not reach above-mentioned standard, and feeding and management way is routinely carried out later on.
Effect: 4 repeated tests of 23800 chick of accumulative total, the feeding effect of egg method for breeding chickling of the present invention and conventional raising method compares: chick body weight in 8 age in week, the long compliance rate of shin improve 12.4% and 9.3% respectively, the chicken colony uniformity improves 8.4%, egg production improves 7.2%, laying period,, lethality reduced by 4.3%, and the benefit of raising chickens improves 18.7%.
Claims (5)
1. egg method for breeding chickling, it is characterized in that, this method determines the principle of its productivity according to the build development degree of laying hen, with laying hens in brooding period 6 and 8 the week age build index, be long maximum growth of body weight and shin, decision egg laying performance degree, whole brood time is grown based on the maximum of regulation and control 6-8 build index in age in week, to the daily ration of chicken feed employing high-energy, high protein, its feeding process comprises:
1) feed of feeding period
A) 0-3 chick nutritious diet in age in week: its energy is that 2950 kilocalories/kg, crude protein are 20.5%, and other compositions are prepared according to GB, and feed consists of: corn: 60.2%-63.04%; Dregs of beans: 18%-21%; Rapeseed dregs: 1.1%-1.9%; Corn protein powder: 5%-7%; Fish meal: 1.5%-3.0%; Vegetable oil: 1.5%-2.5%; Garlic powder: 0.3%-0.6%; Methionine: 0.1%-0.21%; Lysine: 0.1%-0.15%; Egg chick mineral, compound vitamin additive: 5%, the percentage sum of above-mentioned raw materials is 100%;
B) 4-8 chick nutritious diet in age in week: its fodder energy is that 2900 kilocalories/kg, crude protein are 20%, and other compositions are prepared according to GB, and pellet consists of: corn: 59.2%-62.6%; Dregs of beans: 18%-19.8%; Rapeseed dregs: 2%-4%; Corn protein powder: 5.5%-6.8%; Fish meal: 1%-3%; Vegetable oil: 1.5%-2.3%; Garlic powder: 0.3%-0.5%; Methionine: 0.1%-0.2%; Lysine: 0.08%-0.12%; Egg chick mineral, compound vitamin additive: 5%, the percentage sum of above-mentioned raw materials is 100%;
Described compound vitamin additive is by Ca, P, salt, vitamin and the trace element preparation of GB regulation;
2) riding out critical days raises
Cooperate above-mentioned feed, in chick 7-9 age in days feed, add the broad spectrum antibiotic medicine of prevention Escherichia coli, mycoplasma infection continuously; Before chick 20 ages in days, add the medicine of 3-5 days prevention coccidiosis in the feed continuously; Added water-soluble multidimensional electrolyte in the inherent chick drinking-water in 1-2 days before and after each immunity of chick;
3) the build index detects and presses whether replacing feed up to standard of build index
Breed type index with raising is a standard, detects the chicken group brood time build index in 6,8 ages in week, and wherein shin length is as the first restriction index, and body weight is as the second restriction index; Account for adult 75%～80% increment to guarantee that this stage shin long hair is educated, take into account body weight and account for adult about 27% increment;
In 8 age ends in week, meet or exceed the standard of raising kind chick, then be replaced by and breed the chicken feed by the GB preparation if detect chicken group's average somatotype index; Continue to use 4-8 age end feed to 9 week age in week if below standard criterion can prolong, be replaced by and breed daily grain of chicken 10 age in week.
2. method according to claim 1 is characterized in that, the feed forbidding powder of described feeding period.
3. method according to claim 1 is characterized in that, described egg chick mineral, compound vitamin additive are by Ca, P, salt, vitamin and the trace element preparation of GB regulation.
4. method according to claim 1 is characterized in that, the chick in described 0-3 age in week is raised daily ration and consists of: corn: 62.03%; Dregs of beans: 20%; Rapeseed dregs: 1.5%; Corn protein powder: 6%; Fish meal: 2.5%; Vegetable oil: 2.2%; Garlic powder: 0.5%; Methionine: 0.15%; Lysine: 0.12%; Egg chick mineral, compound vitamin additive: 5%.
5. method according to claim 1 is characterized in that, the chick daily ration in described 4-8 age in week consists of: corn 61.5%; Dregs of beans 19.38%; Rapeseed dregs 3%; Corn protein powder 6.5%; Fish meal 2%; Vegetable oil 2%; Garlic powder 0.4%; Methionine 0.12%; Lysine 0.1%; Egg chick mineral, compound vitamin additive 5%.
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