机译:简短交流:宾夕法尼亚州11个商业摊档畜群的饲料利用率及其与生育能力和生产寿命的关系
Department of Animal Science, The Pennsylvania State University, University Park 16802;
Department of Animal Science, The Pennsylvania State University, University Park 16802;
Department of Animal Science, The Pennsylvania State University, University Park 16802;
Department of Animal Science, The Pennsylvania State University, University Park 16802;
Veterinary Physiology, Vetsuisse Faculty, University of Bern, 3012 Bern, Switzerland;
Department of Animal Science, The Pennsylvania State University, University Park 16802;
Department of Animal Science, The Pennsylvania State University, University Park 16802;
Department of Animal Science, The Pennsylvania State University, University Park 16802;
Department of Animal Science, The Pennsylvania State University, University Park 16802;
feed efficiency; productive life; fertility;
机译:简短交流:实地研究,以调查牛莫类毒素喂养的奶牛群中牛奶脂肪降低的牛群风险因素与散装罐装牛奶脂肪百分比之间的关系
机译:简短的交流:由奶牛单独在系档饲养场或成群在自由档谷仓喂养的饲料选择
机译:影响泰国北部商业猪群生产寿命和终生生产性状的因素
机译:裂缝对leptospira interrogans Serovar Bratislava对法国商业畜群生育力的影响
机译:每年对每头母猪产仔数进行评估,以减少商业猪繁殖群中非生产母猪的日数及其与其他重要经济性状的关联。
机译:胃含量流动性与苗圃中的食管溃疡之间的关系:使用商业饲料的高危丹麦牛群的横截面研究
机译:短期通信:现场研究,调查乳脂抑郁症牛奶脂肪抑郁症患者群风险因素的协会,乳制品牛奶喂养猴素