Animal Industry Act Article 14

Breeders who are required to carry out pedigree registration for the breeding flock raised by them shall carry out pedigree registration for their male breeding flock and more than half of their female breeding flock.
中文原文 畜牧法第14條
種畜禽業者所飼養之種畜禽應辦理血統登錄者,其用於配種之公畜禽,須有血統登錄,母畜禽須半數以上具有血統登錄。

English translation for reference only; the Chinese text prevails. Not legal advice.