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Terms for subject Reproductive biology containing first | all forms | exact matches only
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age at first laying母鸡开产日龄
first-born头生仔畜
first-calf heifer初产母牛
first cousin嫡堂兄妹
first cousin嫡表兄妹
first division第一次分裂
first furrow of cleavage第一裂沟
first generation IUD第一代宫内节育器
first generation of prostaglandin analogues第一代 PG 类似物
first lamber初产母羊
first menstruation初潮
first metaphase第一[分裂]中期
first passage effect第一通道作用
first perception of the fetal movement初觉胎动
first polar cell第一极细胞
first rank follicle第_列卵泡
first service首次输精
first service第一次输精
first service首次配种
first service第一次配种
first stage第一产程
first stage of labour第一产程
first stage pains开口期痛
first stud一级母羊群
first trimester abortion早期流产
first trimester abortion妊娠头三月流产
oocyte of first order初级卵母细胞
percentage of ewe bred at first heat母羊一次情期配种百分率
percentage of ewes bred at first heat母羊一次情期配种百分率
spermatocyte of the first order初级精母细胞