搜索结果: 1-1 共查到“家畜繁殖学 age at first calving”相关记录1条 . 查询时间(0.096 秒)
Effect of age at first calving on longevity and fertility traits for Holstein cattle
functional traits survival analysis linear model cattle
2015/6/24
Effects of age at first calving (AFC) on functional longevity of Czech Holstein cows and their reproduction traits in the first lactation were analyzed using the first lactation data of 605 538 Holste...