母牛发情鉴定标记研究进展

doi:10.11843/j.issn.0366-6964.2024.11.001

Abstract

Abstract:

With increasing scaled cattle cultivation, estrus accurate identification of individual has become the management focus of breeding. The performance of behavior and physiological changes, which are important markers in distinguishing estrus cows and determining the optimal insemination time, are closely related to itself follicular development. A better knowledge of the regularity and mechanism of these markers by modern technology during estrus cycle would help to improve the efficiency of automated estrus identification and become the focus in this field. Therefore, this paper reviews the research progress on estrus behavior and physiological characteristics of cow, analyzes the existing related issues in estrus identification techniques, and summarizes the recent research on identification of specific compounds of saliva, urine and milk in estrus cows, aiming to provide reference for developing newly efficient automated estrus identification technologies.

Key words: cows, estrus identification, behavior marker, physiological marker, molecular marker

CLC Number:

S823.3

Shuhan YANG, Yuxin SHI, Yunwei PANG, Kaimin YUAN, Haoyu XIU, Chao WANG, Yongqiang LU, Dong WANG. Research Progress of Estrus Identification Markers in Cows[J]. Acta Veterinaria et Zootechnica Sinica, 2024, 55(11): 4785-4795.

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Research Progress of Estrus Identification Markers in Cows

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