郏县红牛与夏南牛同期发情定时输精效果分析王二耀,施巧婷,陈付英,杨国杰,周森森,牛晖,周慧敏China Cattle Science(2021)Cited 0|Views11AI Read ScienceMust-Reading TreeExampleGenerate MRT to find the research sequence of this paperChat PaperSummary is being generated by the instructions you defined