【摘要】 本文重点介绍了后备牛的身高体重的测量和记录的管理方法,提供了荷斯坦奶牛按月和按周的生长发育指标表供研究和生产单位参考。此外还介绍了育成牛青年牛牛号识别管理、分组管理、淘汰管理、劳动力管理以及数据记录和财务管理等另外5个方面的内容。更多还原

【Abstract】 This paper gives instruction for measure calves and heifer height and weight, supplies charts of weekly and monthly heifer growth characteristics for Holstein heifers, it is the key management of heifer. In addition to monitoring growth, successful heifer rearing requires other five areas day-to-day managements: identification, grouping heifers, culling heifers, labor management, and records and financial management.更多还原