奶牛早孕诊断技术研究进展

doi:10.11843/j.issn.0366-6964.2022.07.002

摘要/Abstract

摘要： 高繁殖率是提高奶牛场经济效益的重要保障，而早孕诊断又是提高奶牛繁殖率的重要手段之一。传统的妊娠诊断方法较难在配种后21 d内确定奶牛妊娠状态，而近年研发的新型妊娠诊断技术可以对奶牛进行有效早孕诊断。本文综述了多普勒彩超技术，中红外线光谱技术及妊娠相关蛋白、循环核苷酸、干扰素τ诱导基因检测等技术在奶牛早孕诊断中的研究进展，比较分析了这些技术的实际应用效果及优缺点，并对新的奶牛早孕诊断技术进行了展望，以期为开发和应用新型高效奶牛早孕诊断技术提供思路和借鉴。

关键词: 奶牛, 早孕诊断, 妊娠相关蛋白, 红外光谱, 循环核酸

Abstract: High reproductive rate is an important guarantee for enhancing the economic benefits of dairy farms, and early pregnancy diagnosis is one of the important means in improving the reproductive rate of dairy cows. It is difficult for traditional pregnancy diagnosis methods to determine the pregnancy status of dairy cows within 21 days after mating. However, the new pregnancy diagnosis technologies developed in recent years can effectively diagnose early pregnancy in dairy cows. In this paper, color Doppler ultrasound, mid-infrared spectroscopy technology, and pregnancy-related protein, circulating nucleotides, interferon tau-induced gene detection and other technologies about the latest diagnosis techniques of early pregnancy in dairy cows were reviewed. Meanwhile, the practical application effects, the advantages and disadvantages of these technologies were compared. And the new diagnostic techniques for early pregnancy were predicted in dairy cows, which would provide some ideas and references for exploitation and application of advanced and high-efficiency early pregnancy diagnosis techniques in dairy cows.

Key words: cow, diagnosis of early pregnancy, pregnancy associated protein, infrared spectrum, circulating nucleic acid

中图分类号:

S823.913

魏士昊, 戴天姝, 王锋, 史远刚, 马云, 淡新刚. 奶牛早孕诊断技术研究进展[J]. 畜牧兽医学报, 2022, 53(7): 2047-2056.

WEI Shihao, DAI Tianshu, WANG Feng, SHI Yuangang, MA Yun, DAN Xingang. Research Progress of Early Pregnancy Diagnosis in Dairy Cows[J]. Acta Veterinaria et Zootechnica Sinica, 2022, 53(7): 2047-2056.

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