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Application of bile acid in the preparation of additives for improving the growth performance of weaned piglets

A technology for growth performance of weaned piglets, applied in the direction of application, additional food elements, animal feed, etc., can solve the problems of physiological limitations in fat absorption, improve feed utilization and final weight uniformity, increase economic returns, The effect of improving growth performance

Inactive Publication Date: 2018-11-13
SHANDONG LONGCHANG ANIMAL HEALTH PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it must be recognized that the rate of fat absorption increases with age and that piglets have physiological limits to fat absorption

Method used

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  • Application of bile acid in the preparation of additives for improving the growth performance of weaned piglets
  • Application of bile acid in the preparation of additives for improving the growth performance of weaned piglets
  • Application of bile acid in the preparation of additives for improving the growth performance of weaned piglets

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Experimental program
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Effect test

Embodiment 1

[0029] Compared with adult livestock and poultry, young livestock and poultry have lower fat digestibility. In order to improve the growth performance of weaned piglets, the present invention carried out the following tests. The purpose of the experiment of the present invention is to evaluate the effect of adding bile acids to the diet containing rice bran oil, full-fat soybean meal and a mixture of the two on the growth performance of piglets.

[0030] The bile acid of the present invention is prepared through five steps of saponification, decolorization, acidification, purification and recrystallization. The detailed steps are as follows:

[0031] 1. Saponification

[0032] Weigh 200 kg of crushed bile paste, put it into the R201 reactor, and add 2000L of 10% sodium hydroxide solution according to the solid-liquid ratio of 1:10. When the solution in the R201 reactor is heated to 100°C, start timing and keep it boiling for 12 hours. The saponification liquid is cooled to solid-l...

Embodiment 2

[0044] 1. Materials and methods

[0045] The trial was conducted in a well-managed commercial pig farm (Reang Sifi Farm) in Khon Kaen Province, Thailand. 480 28-day-old weaned three-way cross (Duroc × approximately gram × Landrace) piglets (average weight 8.62-8.65kg) were divided into 4 treatments, each treatment had 4 replicates, each replicate 30, half male and female. The piglets are kept in a nursery house that can be sprayed to adjust the temperature. The test period is 28-62 days old, with free feeding and free drinking. Each house has 3 10-hole feeders and 4 nipple drinkers. Weigh the start and end weights of the test piglets, and record the feed intake and mortality every day until the end of the test. Piglet uniformity is a percentage based on 2 times the standard deviation of the average final weight. Test group 1 (T1) contains rice bran oil and full-fat soybeans, and no bile acid is added. The other three test groups added 0.04% bile acid (bile acid accounts for 0...

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Abstract

The invention provides application of bile acid in the preparation of additives for improving the growth performance of weaned piglets. The bile acid includes the following components: hyocholic acid,hyodeoxycholic acid and chenodeoxycholic acid. The bile acid is proved by experiments that adding the bile acid to daily rations of weaned piglets can improve the growth performance, improve the digestibility of nutrients (especially fat) and reduce the anti-nutritional factors of plant proteins, thereby comprehensively improving the growth performance of piglets, improving the efficiency of feedutilization and the evenness of final weight, reducing the cost of meat production and improving the economic benefits and returns.

Description

Technical field [0001] The invention belongs to the field of animal feed additives, and specifically relates to the application of bile acids in the preparation of additives for improving the growth performance of weaned piglets. Background technique [0002] In the modern production system, the genetic traits of pigs have been linearly and rapidly improved, resulting in continuous changes in nutritional requirements. It is necessary to improve the feed formula and processing technology to meet the nutritional requirements. The gastrointestinal tract of newborn piglets is immature and in a sterile state. Once the piglets start to eat breast milk and feed, the gastrointestinal tract will function and produce microbial flora. Adding fat can increase the energy level of the diet and feed utilization. However, it must be recognized that the fat absorption rate increases with age, and the piglets 1-2 weeks after weaning have physiological limitations on fat absorption. Adopting endo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K20/168A23K50/30A23K50/60
CPCA23K20/168A23K50/30A23K50/60
Inventor 曹爱智李金宝娄倩倩孙志亮
Owner SHANDONG LONGCHANG ANIMAL HEALTH PROD
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