Pregnancy diagnosis in the sow by rectal examination.
A detailed description is given of the reproductive tract of the sow as felt by rectal examination. Rectal examination was found to have a 94.3% accuracy in determining pregnancy when carried out between 30 and 60 days gestation. Rectal examination was also found to be a suitable method of detecting the onset of oestrus in the sow. The advantages of using rectal examination as a routine procedure to determine pregnancy in commercial sow herds are presented.
D000818:Animals; D001158:Arteries / Q000033:anatomy & histology; D002584:Cervix Uteri / Q000033:anatomy & histology; D004971:Estrus; D005260:Female; D010173:Palpation; D011247:Pregnancy; D011258:Pregnancy Tests / Q000662:veterinary*; D012007:Rectum; D013552:Swine / Q000033:anatomy & histology; D014599:Uterus / Q000033:anatomy & histology / Q000098:blood supply