Study of reproductive parameters of inseminated and stations reared female cattle in Togo

International Journal of Zoology and Applied Biosciences Pub Date : 2023-10-31 DOI:10.55126/ijzab.2023.v08.i05.007

Paguindame Djabangou, Wéré Pitala, Binamlé Bagna, Némè Hélène Bali, A. Kulo

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Abstract

The poor reproductive abilities of most tropical cattle are an obstacle to improving cattle production through artificial insemination (AI). The aim of this study was to determine the reproductive parameters of 23 cows and heifers reared on stations in Togo after an AI campaign. These females were inseminated following a hormonal heat synchronization protocol using Prid® Delta. Pregnancy and calving were monitored to assess reproductive parameters. Results showed a calving rate of 52.27% and a fertility rate of 47.73%. These rates varied significantly (p<0.05) according to parity, breed and body condition score. In addition, mean gestation period, mean age at first calving, calving interval -1st heats and calving interval - AI were respectively 9.38 ± 0.29 months, 3.57 ± 1.19 years, 45.90 ± 13.36 days and 5.04 ± 0.45 months. Comparative analysis of these parameters showed significant variations (p<0.05) in relation to female breed and parity. Reproduction parameters are of considerable importance in the valorization of local cattle through artificial insemination.

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多哥人工授精母牛和人工饲养母牛生殖参数研究

大多数热带牛的繁殖能力较差，这是通过人工授精提高牛产量的一个障碍。本研究的目的是测定多哥人工授精后23头奶牛和小母牛的繁殖参数。这些雌性奶牛在使用 Prid® Delta 进行荷尔蒙发情同步后接受了人工授精。通过监测妊娠和产犊情况来评估繁殖参数。结果显示，产犊率为 52.27%，受胎率为 47.73%。这些比率因母牛的奇数、品种和体况评分不同而有很大差异（p<0.05）。此外，平均妊娠期、平均初产日龄、产仔间隔-1 次发情和产仔间隔-人工授精分别为 9.38 ± 0.29 个月、3.57 ± 1.19 年、45.90 ± 13.36 天和 5.04 ± 0.45 个月。这些参数的比较分析表明，与雌性品种和奇数有关的参数存在显著差异（p<0.05）。繁殖参数对通过人工授精提高本地牛的价值相当重要。

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International Journal of Zoology and Applied Biosciences

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