CN106417933A - Total mixed ration for barn feeding of yak in cold season as well as preparation and feeding methods of total mixed ration - Google Patents
Total mixed ration for barn feeding of yak in cold season as well as preparation and feeding methods of total mixed ration Download PDFInfo
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- 235000016709 nutrition Nutrition 0.000 claims abstract description 10
- 230000035764 nutrition Effects 0.000 claims abstract description 8
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- 244000025254 Cannabis sativa Species 0.000 claims description 25
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 12
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- 235000011010 calcium phosphates Nutrition 0.000 claims description 3
- 235000005822 corn Nutrition 0.000 claims description 3
- 235000012343 cottonseed oil Nutrition 0.000 claims description 3
- 239000006052 feed supplement Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
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- 238000012216 screening Methods 0.000 claims description 3
- 239000004455 soybean meal Substances 0.000 claims description 3
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 3
- 235000015099 wheat brans Nutrition 0.000 claims description 3
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- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 claims 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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- Fodder In General (AREA)
Abstract
An embodiment of the invention discloses total mixed ration for barn feeding of a yak in a cold season as well as preparation and feeding methods of the total mixed ration. The total mixed ration is obtained by optimizing a fodder formula according to the feed intake quantity and feed intake habits of the yak by a nutrition regulation means of fine and coarse fodder mixing, nutrients are balanced in the ration with uniformly mixed components, the stable fodder structure of the yak can be guaranteed, carbohydrate, protein, fat and other nutrient substances can be simultaneously utilized in a rumen, growth and breeding of microorganisms are promoted, the microbial activity is improved, the protein synthesis rate is increased, the pH value of the rumen is kept relatively stable, rumen microorganisms are always in a stable and excellent living environment, the number and the activity of microorganisms are kept, the healthy state of the yak is guaranteed, and the production performance of the yak is improved; batch feeding and large-scale breeding can be realized in combination with the preparation and feeding methods.
Description
Technical field
The present invention relates to livestock-raising technical field and in particular to the TRM of housing yak and its preparation and
Feeding method.
Background technology
The winter of Alpine-arctic Pastoral domestic animal cultivates mostly based on casual household's rear livestock in pens, and essence, roughage phase feeding are leading, take
Fine fodder is limited the quantity, the feeding manner of coarse fodder free choice feeding；But because cold season special fodder grass in Alpine-arctic Pastoral lacks, feeding manner is extensive,
Frequently result in the total dry intake of feed not enough, or in the concentrated feed short time, intake is excessive, leads to Livestock Production
Can be affected, obstacle in breeding；And raise difficult to form scale simultaneously.
Content of the invention
It is an object of the invention to provide a kind of TRM of housing yak and its preparation and feeding method, with
Solve the above problems.
In order to solve above-mentioned technical problem, the embodiment of the present invention employed technical scheme comprise that, entirely the mixing of housing yak
Close daily ration, be made up of concentrated feed and roughage, described roughage includes ensiling grass, lyme grass green hay；First 15 days of drylot feeding, described
The ratio of concentrated feed and roughage is 3:7；The drylot feeding phase, the ratio of described concentrated feed and roughage is 1:1；Wherein, described entirely mix
The water content closing daily ration is 42%～44%.
Preferably, first 15 days of drylot feeding, the described concentrated feed thrown in described TRM is 3 parts, and ensiling grass is 4
Part, lyme grass green hay is 3 parts, and water is 5.625 parts；The drylot feeding phase, the described concentrated feed thrown in described TRM is 7
Part, 4 parts of ensiling grass, 3 parts of lyme grass green hay, 7.875 parts of water.
Preferably, described concentrated feed includes corn, wheat bran, Soybean Meal, rapeseed dregs, Cottonseed Meal, calcium phosphate, phosphoric acid hydrogen
Calcium, amino acid additive and premix.
Preferably, the salt content average out to 0.05g/kg yak body weight in described TRM.
The preparation method of above-mentioned TRM, comprises the following steps：
To described roughage preprocessing, remove the impurity such as described ensiling grass, the metal in lyme grass green hay, plastic foil,
Obtain clean roughage；
Described concentrated feed is pulverized, 40 mesh mesh screens crossed by the concentrated feed after pulverizing, obtain the concentrated feed of powder；
Weigh the above-mentioned clean roughage of respective amount, the concentrated feed of powder puts into the fodder mixing machine of TRM
In, make TRM balanced in nutrition after being sufficiently stirred for.
Preferably, the concentrated feed of described clean roughage, powder puts into the feed of vertical described TRM
When in mixer, the sequencing that feeds intake is followed successively by lyme grass green hay, concentrated feed, ensiling grass；Finally press the average weight of domestic animal
Carry out the interpolation of auxiliary material salt；Described clean roughage, the concentrated feed of powder put into raising of horizontal described TRM
When in material mixer, the sequencing that feeds intake is followed successively by concentrated feed, lyme grass green hay, ensiling grass；Finally press the average body of domestic animal
Carry out the interpolation of auxiliary material salt again.
Preferably, being stirred while feeding intake, continuously stirred 5min～8min after the completion of feeding intake；Described it is sufficiently stirred for
Time be 25min～40min.
The feeding method of above-mentioned TRM, comprises the following steps：
The yak of housing is treated in screening, carries out expelling parasite stomach invigorating before drylot feeding, and the expelling parasite stomach invigorating phase is 3 days；
Determine the quantity delivered of yak TRM, first control the 10% of the TRM dry having more expected setting
Feed, after quantity delivered is gradually adjusted according to the actual meal situation of yak, determine described TRM quantity delivered be hopper
In have 5%～8% residue；
Observe the actual feed intake of yak, when the increase and decrease amplitude of the actual feed intake of yak exceedes the full mixing of expected setting
The quantity delivered of daily ration 10% when, adjust described TRM quantity delivered；
Morning 8 daily:00～9:00 and afternoon 5:30～6:30 scale of feeding accounts for the 40% of whole day scale of feeding, noon 11:30
～12:00 scale of feeding accounts for the 20% of whole day scale of feeding, the suitable feed supplement of remaining time period, whole day free water；
Make regular check on yak body condition, keep cowshed health.
Preferably, remaining time period at least feeds three described TRMs it is ensured that yak is freely enough to hopper
Search for food.
Preferably, hopper is carried out in adjacent Feeding time interval with the stirring of 2～3 times；Dead slot time control in hopper
In 2h～3h.
Compared with correlation technique, the beneficial effect of the embodiment of the present invention is that a kind of cold season provided in an embodiment of the present invention is given up
Raise the TRM of yak, be made up of concentrated feed and roughage, described roughage includes ensiling grass, lyme grass green hay；House
Raise first 15 days, in described TRM, the ratio of described concentrated feed and roughage is 3 daily:7；The drylot feeding phase, described full mixing
The ratio of concentrated feed described in daily ration and roughage is 1:1；Wherein, the water content of described TRM is 42%～44%.
Using the nutrition regulation means of essence, the mixing of roughage phase, the feed intake according to yak and dietary habit optimize feed formula and obtain
TRM, realizes relatively stablizing it is ensured that the health status of yak of Yak Rumen microbial environment, improves its productivity
Energy；Can achieve that the batch of plant's yak housing of certain scale is raised simultaneously.
Specific embodiment
Technical scheme will be clearly and completely described below it is clear that described embodiment is this
Bright a part of embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is the every other embodiment being obtained under the premise of making creative work, broadly fall into the scope of protection of the invention.
The winter of Alpine-arctic Pastoral domestic animal cultivates mostly based on casual household's rear livestock in pens, is leading using essence, roughage phase feeding,
Wherein fine fodder limitation, and the mode of coarse fodder free choice feeding.Because science feeding management technique is relatively backward, special fodder grass lacks
Weary, feeding manner is extensive, frequently results in the total dry intake deficiency of feed, or intake mistake in the concentrated feed short time
Greatly, Stock genetics and breeding is led to be affected, obstacle in breeding, simultaneously also difficult to form scale.TRM (TMR) is raised
Foster technology, can be effectively prevented from tradition and tie the selective diet to a certain special feed for the domestic animal under feeding manner, eliminate carcass
The drawbacks of take in nutritional imbalance, can preferably control the composition of daily ration and trophic level it is ensured that the balance of nutrition and safety
Property, improve efficiency of feed utilization.And TMR technology can also simplify work program, the processing of daily ration and the overall process of feeding is made to realize
Mechanization, increases substantially efficiency, reduces the randomness raised, and reduces and raises and feed cost, the levels of precision of management
Greatly improve, this technology is capable of the transformation raised from extensive feeding to mechanization TRM science, be that China is supported
Grow industry from dispersion raising to scale, intensive, industrialization raising conversion requirement, be the necessarily reform of breeding technology, be also
The technological innovation of modern cultivation nutritional need, will play good finger to the large-scale health culture of Qinghai Province Alpine-arctic Pastoral domestic animal
Lead effect.
Below by specific embodiment, the present invention is described in further detail.
Embodiment one
The TRM of housing yak, is made up of concentrated feed and roughage, and described roughage includes ensiling grass, drapes over one's shoulders
Alkali grass green hay；First 15 days of drylot feeding, the ratio of described concentrated feed and roughage is 3:7；Drylot feeding phase, described concentrated feed and roughage
Ratio be 1:1；Wherein, the water content of described TRM is 42%～44%.Coarse fodder free choice feeding, fine fodder restricted scale of rationing
The feeding manner of the coarse-fine phase feeding of tradition cause daily ration composition unstable and nutrient balance is poor, easily cause cud after yak is edible
The amplitude of pH value change greatly, is easily destroyed the dynamic equilibrium of the digested metabolism of cud, causes the feed intake of dry not enough, slightly fine
The digestibility of dimension reduces, and efficiency of feed utilization is low；The full mixing ration of the embodiment of the present invention is using the nutrition of essence, the mixing of roughage phase
Control measures, the feed intake according to yak and dietary habit optimize feed formula and obtain TRM, and each composition mixes
Daily ration in various nutrients be all in a balanced way it is ensured that the stable feed structure of yak, carbohydrate, albumen can be made
The nutriments such as matter, fat are utilized at the same time in cud, promote growth, the breeding of microorganism, improve microbial activity and egg
The synthetic ratio of white matter, keeps the relatively stable of ruminal pH value, makes rumen microorganism be always at stable, good living environment,
Maintain the quantity of rumen microorganism and vigor it is ensured that the health status of yak, improve its production performance；Can achieve batch simultaneously
Raise.
Further, first 15 days of drylot feeding, the described concentrated feed thrown in described TRM is 3 parts, and ensiling grass is 4
Part, lyme grass green hay is 3 parts, and water is 5.625 parts；The drylot feeding phase, the described concentrated feed thrown in described TRM is 7
Part, 4 parts of ensiling grass, 3 parts of lyme grass green hay, 7.875 parts of water.Before drylot feeding 15 days are the transitional period of drylot feeding, adjustment yak
Diet habit, makes yak progressively adapt to the TRM of the embodiment of the present invention；The drylot feeding phase, in TRM, roughage is thick
Fiber content should account for the 15%～24% of diet dry substance；Neutral detergent fiber content should account for diet dry substance 25%～
30%.In TRM, crude protein (CP) content of concentrated feed should control 16.5%～17.5%.In addition, TRM
Moisture should control 42%～44%；The partially wet then nutrient content of daily ration is low, and the dry matter intake of yak will be limited
System, causes dry matter intake not enough；The partially dry then palatability of daily ration is deteriorated, and smart roughage is easily separated, and fine fodder can not be attached well
Coarse fodder, crude fibre feed intake reduces, yak is susceptible to rumen ecology, and moisture should strictly control therefore in ration.
Further, described concentrated feed includes corn, wheat bran, Soybean Meal, rapeseed dregs, Cottonseed Meal, calcium phosphate, phosphoric acid hydrogen
The compositions such as calcium, amino acid additive and premix.In concentrated feed various groups are divided into the growth of yak to provide enough nutrition to become
Point.
Further, the salt content average out to 0.05g/kg yak body weight in described TRM.According to yak body
Focus on and in feed, add appropriate salt, adjust the palatability of feed.
The preparation method of above-mentioned TRM, comprises the following steps：
To described roughage preprocessing, remove the impurity such as described ensiling grass, the metal in lyme grass green hay, plastic foil,
Obtain clean roughage；
Described concentrated feed is pulverized, 40 mesh mesh screens crossed by the concentrated feed after pulverizing, obtain the concentrated feed of powder；
Weigh the above-mentioned clean roughage of respective amount, the concentrated feed of powder puts into the fodder mixing machine of TRM
In, make TRM balanced in nutrition after being sufficiently stirred for.
The feed processing technology that the stirring of concentrated feed and roughage, mixing, processing, modulation, feeding are connected is applied
In raising to yak housing, raising program can be simplified, reduce the randomness raised, improve the accuracy of feeding and management.
Preferably, above-mentioned concentrated feed, lyme grass green hay, ensiling grass are rendered in above-mentioned total mixed feed mixer
Order be first slightly after essence, wet after first doing, first gently weigh afterwards, first grow after short；
Described clean roughage, the concentrated feed of powder put in the fodder mixing machine of vertical described TRM
When, the sequencing that feeds intake is followed successively by lyme grass green hay, concentrated feed, ensiling grass；Described clean roughage, the essence of powder are raised
When material puts in the fodder mixing machine of horizontal described TRM, the sequencing that feeds intake is followed successively by concentrated feed, lyme grass green grass or young crops does
Grass, ensiling grass.The preparation flow of different order is determined it is ensured that roughage and concentrated feed can mix well according to different mixers
Conjunction is attached to each other；According to actual nursing situation, may be selected to add appropriate auxiliary material, to improve the utilization rate of TRM.
Further, it is stirred while feeding intake, continuously stirred 5min～8min after the completion of feeding intake；Described it is sufficiently stirred for
Time be 25min～40min.Mixing time is too short, raw material incomplete mixing；Mixing time is oversize, and TRM is too thin, has
Effect fiber is not enough, and specific stirring duration should ensure that in the TRM of preparation has 15%～20% roughage length to be more than
4cm, to promote domestic animal to ruminate with the green hay ensureing to have sufficient length, thus ensureing cud health.
The feeding method of above-mentioned TRM, comprises the following steps：
The yak of housing is treated in screening, carries out expelling parasite stomach invigorating before drylot feeding, and the expelling parasite stomach invigorating phase is 3 days；
Determine the quantity delivered of yak TRM, first control the 10% of the TRM dry having more expected setting
Feed, after quantity delivered is gradually adjusted according to the actual meal situation of yak, determine described TRM quantity delivered be hopper
In have 5%～8% residue；
Observe the actual feed intake of yak, when the increase and decrease amplitude of the actual feed intake of yak exceedes the full mixing of expected setting
The quantity delivered of daily ration 10% when, adjust described TRM quantity delivered；
Morning 8 daily:00～9:00 and afternoon 5:30～6:30 scale of feeding accounts for the 40% of whole day scale of feeding, noon 11:30
～12:00 scale of feeding accounts for the 20% of whole day scale of feeding, and the suitable feed supplement of remaining time period is it is ensured that domestic animal is free, enough at any time
Search for food, whole day free water；
Make regular check on yak body condition, keep cowshed health.
Further, remaining time period at least feeds three described TRMs it is ensured that yak is freely enough to hopper
Search for food.
Further, in adjacent Feeding time interval, hopper is carried out with the stirring of 2～3 times；Ensure thing in hopper for the TMR
Reason characteristic is basically identical, occurs without lamination, and regular stirring contributes to stimulating searching for food of yak；The dead slot time in hopper
Control in 2h～3h.TRM breeding technology is to carry out Free stall feeding, free choice feeding in units of colony, in order to ensure
Yak reaches the dry matter intake of maximum it is desirable to feed trough is unable to fracture it is necessary at least 3%～5% feed residue (is expected
Pin)；As vacant more than the 40h of hopper, again add and the feed thrown in for the first time during groove, should be made to contain more roughages.
Embodiment two
TRM and its feeding method using the embodiment of the present invention one feed compared with tradition feeding, and result is shown in
Table 1, table 2 and table 3.
Table 1 yak apparent digestibility compares
Note：Traditional feeding feed stuff water content is 14.01%；TRM water content is 42.65%.
Can be seen that in table 1 that the yak dry food-intake of feeding TRM group improves than traditional feeding group
19.95%；The day Fecal wastes of yak reduce 37.33% than traditional feeding group simultaneously, and feed apparent digestibility improves
23.50%；Largely alleviate the environmental pollution that animal waste excretion causes, feeding TRM significantly carries simultaneously
The high digestive utilization ratio of feed.
Table 2 yak gaining effect compares
Note：Traditional feeding feed stuff water content is 14.01%；TRM water content is 42.65%.
The yak daily gain that can be seen that feeding TRM group in table 2 is apparently higher than traditional feeding group；Entirely mix simultaneously
58.25% is reduced, using the embodiment of the present invention one under the more traditional feed mode of average feed-weight ratio of the feed mode of daily ration
Feed mode significantly improves the price of deed.
Table 3 yak build effectiveness comparison
There is larger difference in feeding TRM group and the yak pattern of body form change of traditional feeding group as can be seen from Table 3
Different, i.e. the high average increase 2.26mm of the daily body of yak of feeding TRM group, and body length increases 2.52mm, is significantly higher than biography
System feeding group, shows to feed, using the TRM of the embodiment of the present invention one, the growth contributing to significantly improving yak.
To sum up, the growth to yak of the TRM of the embodiment of the present invention one and its feeding patterns, effective profit of feed
All there iss obvious promotion with all more traditional feeding of rate to improve；Show the TRM of the embodiment of the present invention one and its feed
Foster mode can achieve the cultivation of scale, reduces labour intensity and financial cost.
Finally it should be noted that：Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to the foregoing embodiments the present invention is described in detail, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in previous embodiment, or wherein some or all of technical characteristic is equal to
Replace；And these modifications or replacement, do not make the essence of appropriate technical solution depart from the model of embodiment of the present invention technical scheme
Enclose.
Claims (10)
1. the TRM of housing yak, is characterized in that：
It is made up of concentrated feed and roughage, described roughage includes ensiling grass, lyme grass green hay；
First 15 days of drylot feeding, the ratio of described concentrated feed and roughage is 3:7；
The drylot feeding phase, the ratio of described concentrated feed and roughage is 1:1；
Wherein, the water content of described TRM is 42%～44%.
2. the TRM of housing yak according to claim 1, is characterized in that：
First 15 days of drylot feeding, the described concentrated feed thrown in described TRM is 3 parts, and ensiling grass is 4 parts, lyme grass green hay
For 3 parts, water is 5.625 parts；
The drylot feeding phase, the described concentrated feed thrown in described TRM is 7 parts, 4 parts of ensiling grass, 3 parts of lyme grass green hay, water
7.875 part.
3. the TRM of housing yak according to claim 2, is characterized in that：
Described concentrated feed includes corn, wheat bran, Soybean Meal, rapeseed dregs, Cottonseed Meal, calcium phosphate, calcium monohydrogen phosphate, amino acid additive
And premix.
4. the TRM of housing yak according to claim 1, is characterized in that：
Salt content average out to 0.05g/kg yak body weight in described TRM.
5. the preparation method of the TRM of housing yak according to claim 1 and 2, is characterized in that：
Comprise the following steps：
To described roughage preprocessing, remove the impurity such as described ensiling grass, the metal in lyme grass green hay, plastic foil, obtain
Clean roughage；
Described concentrated feed is pulverized, 40 mesh mesh screens crossed by the concentrated feed after pulverizing, obtain the concentrated feed of powder；
Weigh the above-mentioned clean roughage of respective amount, the concentrated feed of powder puts in the fodder mixing machine of TRM,
TRM balanced in nutrition is made after being sufficiently stirred for.
6. the preparation method of the TRM of housing yak according to claim 5, is characterized in that：
The order that above-mentioned concentrated feed, lyme grass green hay, ensiling grass are rendered in above-mentioned total mixed feed mixer is followed first thick
Essence afterwards, wet after first doing, first gently weigh afterwards, first grow after short principle；
When described clean roughage, the concentrated feed of powder put in the fodder mixing machine of vertical described TRM, throw
Material sequencing is followed successively by lyme grass green hay, concentrated feed, ensiling grass；Finally carry out auxiliary material salt by the average weight of domestic animal
Add；
When described clean roughage, the concentrated feed of powder put in the fodder mixing machine of horizontal described TRM, throw
Material sequencing is followed successively by concentrated feed, lyme grass green hay, ensiling grass；Finally carry out auxiliary material salt by the average weight of domestic animal
Add.
7. the preparation method of the TRM of housing yak according to claim 6, is characterized in that：
It is stirred while feeding intake, continuously stirred 5min～8min after the completion of feeding intake；
The described well-beaten time is 25min～40min.
8. the feeding method of the TRM of housing yak according to claim 1 and 2, is characterized in that：
Comprise the following steps：
The yak of housing is treated in screening, carries out expelling parasite and stomach invigorating before drylot feeding, and the expelling parasite stomach invigorating phase is 3 days；
Determine the quantity delivered of yak TRM, first control 10% throwing of the TRM dry having more expected setting
Hello, after quantity delivered is gradually adjusted according to the actual meal situation of yak, determine described TRM quantity delivered be hopper in
There is 5%～8% residue；
Observe the actual feed intake of yak, when the increase and decrease amplitude of the actual feed intake of yak exceedes the TRM of expected setting
Quantity delivered 10% when, adjust described TRM quantity delivered；
Morning 8 daily:00～9:00 and afternoon 5:30～6:30 scale of feeding accounts for the 40% of whole day scale of feeding, noon 11:30～12:
00 scale of feeding accounts for the 20% of whole day scale of feeding, the suitable feed supplement of remaining time period, whole day free water；
Make regular check on yak body condition, keep cowshed health.
9. the feeding method of the TRM of housing yak according to claim 8, is characterized in that：
Remaining time period at least feeds three described TRMs to hopper.
10. the feeding method of the TRM of housing yak according to claim 8, is characterized in that：
In adjacent Feeding time interval, hopper is carried out with the stirring of 2～3 times；In hopper, dead slot time control is in 2h～3h.
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| CN107372326A (en) * | 2017-08-10 | 2017-11-24 | 小金县鑫宇农牧业发展有限公司 | A kind of yak captive breeding method |
| CN107926847A (en) * | 2017-12-08 | 2018-04-20 | 西藏自治区农牧科学院畜牧兽医研究所 | A kind of method for improving yak reproduction power |
| CN109169518A (en) * | 2018-11-13 | 2019-01-11 | 小金县畜牧工作站 | Yak drylot feeding transitional period feeding method |
| CN109619040A (en) * | 2019-02-22 | 2019-04-16 | 西南民族大学 | A kind of High aititude mountain area yak method for breeding |
| CN110432394A (en) * | 2019-09-03 | 2019-11-12 | 四川禀承实业有限公司 | It is a kind of to shorten the supplementary feeding formula and method that yak is delivered for sale |
| CN112237242A (en) * | 2020-04-11 | 2021-01-19 | 内蒙古宏鹏科技发展有限公司 | Preparation method of mutton sheep forage grass type total mixed ration |
| CN113508782A (en) * | 2021-07-27 | 2021-10-19 | 中国热带农业科学院热带作物品种资源研究所 | A feeding method capable of converting phytol into phytanic acid at higher ratio in ruminant rumen |
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| CN113508782A (en) * | 2021-07-27 | 2021-10-19 | 中国热带农业科学院热带作物品种资源研究所 | A feeding method capable of converting phytol into phytanic acid at higher ratio in ruminant rumen |
| CN115918792A (en) * | 2022-11-29 | 2023-04-07 | 中国科学院西北高原生物研究所 | Feed formula for female yaks in growing period in alpine region and feeding method |
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