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沼泽型水牛发情期血清生殖激素的变化规律研究 被引量:4

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摘要 研究应用RIA法对沼泽型水牛发情期的血清生殖激素浓度进行测定,并分析了生殖激素的变化规律。结果表明:①同期发情的水牛在处理后至发情当天均有2个E2峰出现,第1个在发情前,第2个在发情后并与LH峰同时或之前2 h;②PMSG(肌注)+PG(肌注)处理的水牛出现发情前E2峰、发情后FSH峰和LH峰的时间为处理后24、60 h和63 h,而PMSG(肌注)+PG(子宫灌注)+LH(肌注)处理的水牛出现发情前E2峰、发情后FSH峰和LH峰的时间为处理后48、80 h和82 h;③各组水牛P4水平在发情后48 h内均低于0.8 ng/mL;④与自然发情水牛对比,同期发情处理可显著影响其发情期的FSH和LH内源性分泌水平(P<0.05);而对E2和P4均没有产生显著性的变化(P>0.05)。
出处 《中国畜牧杂志》 CAS 北大核心 2008年第5期18-21,共4页 Chinese Journal of Animal Science
基金 国家"863"高科技研究发展计划项目(2004AA001350)
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