Changes in content of mRNA encoding oxytocin in the pig uterus during the oestrous cycle, pregnancy, at parturition and in lactational anoestrus

anoestrus arn mensajero arn messager cerdas cerdo ciclo estral cycle oestral endometrium epitelio epithelium gestation lactation messenger rna muscle muscles myometrium ocytocine oestrous cycle oxitocina oxytocin parto parturition porcin pregnancy reproduction sows swine truie utero uterus