猪赖氨酸的应用及其需要量的研究进展

doi:10.16431/j.cnki.1671-7236.2023.04.008

Abstract

Abstract: Lysine,as the first limiting amino acid of pig diet,is also the key to construct an ideal protein model.Lysine can improve the growth performance and nutrient digestibility,enhance body immunity,maintain intestinal health,affect protein synthesis in pigs.Lack or excess of lysine will have an impact on all aspects of pigs.Therefore,it is very important to explore the effect of lysine addition level and lysine requirement in the diet on pig performance and various indicators.Based on the relevant research on pig lysine in recent years at home and abroad,it was found that less than 15% of the recommended amount of lysine could induce inflammation.However,appropriate lysine could enhance the cellular immunity of piglets,and then affect the intestinal health of pigs,promote the proliferation of intestinal epithelial cells,enhance cell vitality,improve nutrient digestion of pigs,and promote skeletal muscle synthesis by regulating satellite cells.At the same time,the authors synthesized the lysine requirements of piglets,finishing pigs,boars and sows and low-protein diets,in order to provide scientific basis for the rational application of lysine in animal production.

Key words: lysine; pig; requirement; animal production

CLC Number:

S816.7

YAO Kang, CAO Shuting, JIANG Zongyong, WANG Li. The Research Progress of Lysine Application and Requirement in Pigs[J]. China Animal Husbandry and Veterinary Medicine, 2023, 50(4): 1364-1374.

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The Research Progress of Lysine Application and Requirement in Pigs

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