Application of a kind of n-carbamylglutamic acid in preparation of feed for promoting growth and development of lambs

A technology of carbamoyl glutamic acid and lamb, applied in application, animal feed, additional food elements, etc., can solve problems such as diarrhea, malnutrition of ewes, and reduction of milk quality, so as to reduce the rate of flaccid paralysis and diarrhea , enhance the body's immune function, improve the effect of amino acid content

Active Publication Date: 2019-11-12
NANJING AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

In addition, if the lamb is weak in constitution and small in weight, its adaptability to the external environment, resistance to disease and tolerance to milk quality are relatively poor, and it is easy to cause diarrhea
[0005] In short, the main factors that lead to lamb paralysis or diarrhea, and then slow down the growth and development of lambs are: (1) the lack of nutrition during pregnancy of ewes, resulting in weak body condition and low birth weight of lambs; (2) lactation of ewes Malnutrition in the early stage reduces the milk quality and lowers the lamb's immunity; (3) The lamb itself grows slowly and has poor adaptability to the outside world

Method used

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  • Application of a kind of n-carbamylglutamic acid in preparation of feed for promoting growth and development of lambs
  • Application of a kind of n-carbamylglutamic acid in preparation of feed for promoting growth and development of lambs
  • Application of a kind of n-carbamylglutamic acid in preparation of feed for promoting growth and development of lambs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1: Effects of gavage N-carbamylglutamic acid on growth performance, blood biochemical indicators and diarrhea rate of suckling goat lambs

[0028] Test materials: NCG used in the test was purchased from Asia Pacific Xingmu Technology Co., Ltd., the production license number is Yushitian (2014) T05005, and the product purity is 97%;

[0029]Experimental animals: Select 32 healthy and disease-free 1-day-old Boer goat × Haimen goat hybrid male lambs with similar birth weight as experimental sheep, and divide them into control group (group I) and NCG group (group II), with 16 lambs in each group . In order to exclude the potential influence of ewe milk production and the number of suckling lambs on the growth performance of suckling goat lambs, each ewe suckled 2 male lambs, and the male lambs sucked by each ewe goat were divided into 2 different groups. During the feeding management and sample collection experiment, the lactating ewes were fed in a single pen, wit...

Embodiment 2

[0065] Example 2: Effects of N-carbamoylglutamic acid supplementation of arginine in lactating goat diets on lactating goats and lambs

[0066] Test materials: NCG used in the test was purchased from Asia-Pacific Xingmu Technology Co., Ltd., the production license number is Yushitian (2014) T05005, and the product purity is 97%.

[0067] Experimental animals: 64 primiparous Boer×Haimen goats with similar body condition were selected for feeding test; they were randomly divided into 4 groups, 16 in each group, respectively, groups I, II, III, and IV; gender and lambing lambs were eliminated potential effects on growth. During the 42d of the lactation period of the lactating goats, a lactation diet was provided; the lactation goats were provided with a diet containing 12.43MJ / kg and 15.85% CP, fed twice a day (07:00, 17:00). During the experiment of feeding management and sample collection, the lactating ewes were fed in a single pen, had free access to water and food. The lam...

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Abstract

The invention relates to application of N-carbamylglutamate (NCG) in preparing feed for promoting growth and development of lambs. By drenching NCG to the lambs daily or by adding NCG into totally mixed ration (TMR) of ewes in the lactation period to improve milk composition of the ewes to nurse the lambs, growth and development of the lambs can be promoted, and diarrhea rate and flaccid paralysis incidence rate of the lambs can be lowered. Applying NCG in drug or feed for promoting growth and development of the lambs is put forward for the first time, growth and development of the lambs can be promoted, no side effect is caused, feed conversion rate can be increased, animal body immunity can be enhanced, milk composition of female animals can be improved, and nutritional level can be improved, so that weaning survival rate is increased.

Description

technical field [0001] The invention belongs to animal feed, and relates to N-carbamyl glutamic acid in the preparation of feed for promoting the growth and development of lambs and its application. Background technique [0002] Lamb diarrhea is a common disease in sheep farming. There are many reasons for lamb diarrhea. The most common ones are diarrhea caused by simple indigestion caused by improper feeding management and poor resistance of lambs. Clinically, the incidence of lamb diarrhea can be as high as 30%, and the fatality rate can reach 20%, especially in lambs before and after weaning. Diarrhea lambs have diarrhea, emaciation, listlessness, loss of appetite, and severe cases die within 1-2 days. Clinically, lamb diarrhea can mostly be cured after treatment, but the dehydration and loss of appetite caused by the onset have seriously affected the growth of lambs, resulting in slow growth of lambs and a decline in economic benefits. In addition, if the feeding manag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K50/10A23K20/142
Inventor 王子玉王若丞罗丹王锋孟春花茆达干
Owner NANJING AGRICULTURAL UNIVERSITY
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