ListarRevista Científica - 2011- Vol. XXI - No. 004 por tema "Estro"
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The effect of naloxone on reproductive behavior and plasma prolactin levels after weaning in third lactation sows
(Venezuela, 2011-07-29)The present study was undertaken to study the effect of small doses of naloxone on behavior, prolactin plasma levels, interval of weaning to first estrus, and duration of estrus in third lactation sows. Thirty York x ...