calving number

In the first 32 days after calving the number of macrophage in uterus tissue increased greatly, lysosome and mitochondrion in these cells increased too.

产后1～32d之间，子宫组织内巨噬细胞数量增多，其胞质内溶酶体、线粒体等细胞器增多；

Calving rate: The number of calves Born alive in any year expressed as a percentage of the number of females let to the Bull in the previous year.

产犊率：指一年所产活犊数量与前一年参加交配的母牛数量之比。

In addition, the relationships among sexes of calves, calving number and infestation rate and mixed-infestation of the other parasites were described in detail.

轻度感染的占阳性数的18.18%。此外，本文还对犊牛不同性别、母牛胎次与感染率的关系以及与其他寄生虫混合感染等情况进行了详细的记述。