The aim of this study was to re-invent the readily available estrus detection methods in small scale with black colour pigs, capable to yield more accurate results. Data were collected from 32 Meishan X Large Black X Duroc Hybrid Black sows housed in groups. Weaned sows were observed for 11 days, and estrus was detected twice daily, comprising of live observations of mating behaviour, a boar test.... Read more
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