Fetuses used for histological analysis.
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The fetal age was estimated based on the relation between crown-rump length and time of gestation described by Schnorr and Kressin [24]. They were genotyped for the 212 bp insertion-deletion variant (indel) associated with polledness in beef and dual-purpose breeds and for the Holstein polled mutation [17]. Fetuses used for histological analysis.
创建时间：
2015-05-20
