泥巴水牛受精使用人工授精和激情同步后自然交配

Nisfu Bayu Kurniadi, Fachroerrozi Hoesni, Bayu Rosadi
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引用次数: 0

摘要

本研究对沼泽水牛在自然交配和人工授精(AI)前施用前列腺素同步的育性进行了评价。36头沼泽水牛连续11天两次肌肉注射35 mg前列腺素(Lutalyse®,Pfizer, Puurs, Belgium)。表现出发情迹象的水牛分为2个处理,即T1(自然交配)和T2(人工交配)。第二次注射前列腺素后,T1头奶牛在72 h与公牛一起圈养2 d, T2头奶牛分别在72 h和96 h进行人工授精。观察奶牛下一次发情情况,确定不返回状态。人工授精后60天通过直肠阴道触诊检查妊娠情况。测量变量为不收益率(NRR)和受孕率(CR),采用卡方检验进行统计学分析。结果显示T1和T2的NRR和CR无显著性差异。T1和T2的NRR分别为88.9%和83.3%,CR分别为72.2% (T1)和55.6% (T2)。综上所述,自然交配和人工智能对发情同步的沼泽水牛具有同等的生育能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
FERTILITAS KERBAU LUMPUR MENGGUNAKAN INSEMINASI BUATAN DAN KAWIN ALAM PASCA SINKRONISASI BIRAHI
This study was conducted to evaluate the fertility of swamp buffalo synchronized by prostaglandin administration prior to both natural mating and artificial inse-mination (AI). Thirty six swamp buffalo cows were intramuscularly injected by 35 mg prostaglandin (Lutalyse®, Pfizer, Puurs, Belgium) twice in eleven consecutive days. The buffaloes that exhibit estrous signs allotted into 2 treatments i.e. T1 (natural mating) and T2 (AI). Next to second prostaglandin injection, T1 cows were caged together with bull at 72 h for 2 d, and T2 cows were artificially inseminated at 72 h and 96 h. All cows were observed for next estrous emergence determining non return status. Pregnancy was examined 60 days after insemination by recto-vaginal palpation. The variables measured were non return rate (NRR) and concep-tion rate (CR), analyzed statistically using chi-square test. The results showed that NRR and CR of T1 and T2 had no significant difference. The NRR of T1 and T2 were 88.9% and 83.3% respectively, CR were 72.2% (T1) and 55.6% (T2). In conclusion, natural mating and AI give equal fertility to estrous synchronized swamp buffalo.
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