机译:牛群自愿等待期后30天影响母牛怀孕机会的因素
Department of Clinical Sciences, Division of Ruminant Medicine and Veterinary Epidemiology, Swedish University of Agricultural Sciences, PO Box 7054, SE-750 07 Uppsala, Sweden;
Swedish Dairy Association, PO Box 210, SE-101 24 Stockholm, Sweden,Division of Reproduction, Swedish University of Agricultural Sciences, PO Box 7054, SE-750 07 Uppsala, Sweden;
Department of Clinical Sciences, Division of Ruminant Medicine and Veterinary Epidemiology, Swedish University of Agricultural Sciences, PO Box 7054, SE-750 07 Uppsala, Sweden;
reproductive performance; voluntary waiting period (VWP); dairy cow;
机译:Double-Ovsynch协议后,接受定时人工授精的母牛的自愿等待期从60天延长到88天影响了奶牛的繁殖性能,出栏动态和泌乳性能
机译:通过Presynch-Ovsynch或Double-Ovsynch协议以及自愿等待期的不同持续时间进行首次服务的泌乳奶牛的生殖性能和畜群出口动态
机译:在自愿等待60天或88天后提交初次人工授精的泌乳奶牛的经济表现
机译:乳业奶牛自主等待期间亚临床低钙血症与负能量平衡的关系
机译:同时评估父亲效应,年龄校正因子,遗传趋势,环境趋势,畜群效应和牛效应。
机译:评估针对自愿等待期调整的两个奶牛群生殖性能指标
机译:在双OVSynch协议后,在接受定时人工授权的母线中,从60〜88天扩展了自愿等待期的持续时间,影响了奶牛的生殖性能,畜群出口动态和哺乳性能