79. Variation in age at first calving over a twelve-year period in a high-yielding dairy herd L. Ross,P. Garnsworthy,J. MargerisonAnimal - science proceedings(2022)引用 0|浏览3暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要