营养水平对母羊繁殖性能的影响及精准营养调控的研究进展

doi:10.12160/j.issn.1672-5190.2022.03.007

摘要/Abstract

摘要： 繁殖性能是羊产业的重要经济性状之一,直接关系到养羊业生产成本和效率。羊的季节性繁殖特性导致其繁殖效率低,是羊产业高效养殖的主要瓶颈。在羊生产中,营养水平直接影响母羊的繁殖性能。综述了营养水平对发情、排卵、受孕等母羊繁殖过程和羊非繁殖季繁殖性能的影响,以及精准营养调控母羊繁殖性能的研究进展,以期为进一步研究营养水平对母羊繁殖性能的调控机制提供参考。

关键词: 营养水平, 母羊, 繁殖性能, 精准营养

Abstract: Reproductive performance is a significant economic trait of the sheep industry, as it directly determines to the cost and benefit of production. Low reproductive efficiency of sheep due to their seasonal reproductive characteristics is the fundamental barrier of high-efficient breeding in the sheep industry. The nutrient level of ewes has a direct impact on their reproductive performance in sheep farming. This paper summarizes the effects of nutrient level on the reproductive process of ewes, including estrus, ovulation, and pregnancy, as well as on the reproductive performance of ewes during non-reproductive seasons. Furthermore, the research progress on reproductive performance regulation of ewes by precision nutrition approach is reviewed, in hoping to provide a reference for further study on the mechanisms underlying the regulatory role of nutrient level in reproductive performance of ewes.

Key words: nutrient level, ewes, reproductive performance, precision nutrition

中图分类号:

S826.3

刘志友. 营养水平对母羊繁殖性能的影响及精准营养调控的研究进展[J]. 畜牧与饲料科学, 2022, 43(3): 42-45.

LIU Zhi-you. Effects of Nutrient Level on Reproductive Performance of Ewes and Research Progress on Precision Nutrition Regulation[J]. Animal Husbandry and Feed Science, 2022, 43(3): 42-45.

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