更多"farrowing rate(分娩率)"的相关试题:
[名词解释]batch farrowing(批次产仔)
[名词解释]farrowing house(产仔舍,产房)
[名词解释]红细胞沉降率(erythrocyte sedimentation rate)
[名词解释]净现值率(NPVR,Net Present Value Rate)
[单项选择]产后出血发生率占分娩总数的().
A. 2%~3%
B. 5%~6%
C. 4%~5%
D. 3%~4%
E. 1%~2%
[名词解释]新生儿死亡率(neonatal mortality rate)