TEFERA YILMA. Study on Reproductive Performance of Breeding Sows and Ultrasound Monitoring of Ovarian Follicle Activity and Ovulation of Post-Weaning Sows in a Commercial Pig Farm of Central Ethiopia. Veterinary  Medicine, [S. l.], v. 2, n. 3, p. 76–82, 2017. DOI: 10.17140/VMOJ-2-119. Disponível em: https://openventio.us/index.php/VM/article/view/635. Acesso em: 12 nov. 2026.