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Feed additive for calves and lambs and application of feed additive in milk substitutes and starters

A feed additive and milk replacer technology, which is applied in the application fields of calves, feed additives, lamb milk replacers and starter, can solve the problems of slow growth, imperfect immune system of calves and lambs, easy to produce diarrhea, etc. Excellent effect, improve the immunity of young animals, improve the effect of growth performance

Active Publication Date: 2016-06-08
FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The immune system of calves and lambs before and after weaning is not perfect, and they are in a state of high stress, prone to diarrhea, slow growth and other problems

Method used

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  • Feed additive for calves and lambs and application of feed additive in milk substitutes and starters
  • Feed additive for calves and lambs and application of feed additive in milk substitutes and starters
  • Feed additive for calves and lambs and application of feed additive in milk substitutes and starters

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Embodiment 1: a kind of feed additive for calf, lamb

[0049] 1. Composition: 3g of mulberry leaf extract, 17g of rice dextrin.

[0050] 2. Preparation method:

[0051] The rice dextrin and the mulberry leaf extract are weighed according to the proportion, mixed, stirred evenly, and dried to form a powder.

Embodiment 2

[0052] Embodiment 2: a kind of feed additive for calf, lamb

[0053] 1. Composition: 3g of mulberry leaf extract, 5ml of Candida tropicalis (1×10 9 CFU / ml), rice dextrin 12g.

[0054] 2. Preparation method:

[0055] Wort medium is 70mL of wort, sterilized at 0.1MPa at 121℃ for 30min, and the pH value is about 6.5;

[0056] The wort slant medium is 100mL of wort, add 2g of agar, and sterilize at 115°C for 20min.

[0057] (1) Preparation of strains:

[0058] Activation of Candida tropicalis: Inoculate the bacteria into the aseptic wort slant medium according to the inoculum amount of 1%, and cultivate in the incubator at 28°C for 48-72h.

[0059] After activation, Candida tropicalis was inoculated into the wort medium at a 2% inoculum, and expanded at 28°C until the bacterial concentration reached 10 9 CFU / ml, spare;

[0060] (2) Take rice dextrin and Candida tropicalis bacterium liquid by weighing according to the weight ratio, stir evenly after mixing, dry and make powde...

Embodiment 3

[0062] Embodiment 3: a kind of feed additive for calf, lamb

[0063] 1. Composition: 6g of mulberry leaf extract, 2ml of Candida tropicalis (1×10 9 CFU / ml), rice dextrin 12g.

[0064] 2. Preparation method:

[0065] (1) preparation of bacterial classification: with embodiment 2;

[0066] (2) Take rice dextrin and Candida tropicalis bacterium liquid according to weight ratio, stir after mixing, dry and make powder;

[0067] (3) Weigh the mulberry leaf extract according to the weight ratio, add it to the above powder and mix.

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Abstract

The invention relates to a feed additive for calves and lambs and an application of the feed additive in milk substitutes and starters. Active components of the feed additive contain one or two kinds of the following components: a mulberry leaf extract and tropical candida albicans. Experiments indicate that after the feed additive provided by the invention is matched with the milk substitute and the starters to be fed for animals, the immunity of young livestock can be enhanced, the diarrhoea rate can be reduced, and the growing performance can be improved.

Description

technical field [0001] The invention relates to the field of feed, and relates to a feed additive, in particular to a feed additive for improving the immunity and growth performance of calves and lambs and its application in milk substitutes and starters for calves and lambs. Background technique [0002] Newborn calves and lambs undergo tremendous changes in immunology and metabolism in a short period of time from birth to adaptation to the external environment, and then to weaning. At the same time, high morbidity and mortality due to diarrhea, respiratory diseases, and high levels of oxidative stress due to the immature immune and digestive systems of young animals have always been the biggest challenges in young animal breeding. [0003] Antibiotics have been widely used in human and animal life and production since they were first synthesized in the middle of the 20th century. The researchers found that adding antibiotics to the feed can not only reduce animal diarrhea...

Claims

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Application Information

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IPC IPC(8): A23K1/18A23K1/14A23K1/00
Inventor 屠焰刁其玉杨春涛
Owner FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
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