MALIK, A A; FAZIL, M R; KHATUN, A; ATHAR, H; KHAN, H M; SHAH, R A. Comparative evaluation of natural tupping with fixed-time laparoscopic and cervical insemination techniques using chilled semen in estrous synchronized sheep. The Indian Journal of Animal Sciences, Delhi, India, v. 93, n. 12, p. 1160–1165, 2023. DOI: 10.56093/ijans.v93i12.109893. Disponível em: https://epubs.icar.org.in/index.php/IJAnS/article/view/109893. Acesso em: 20 oct. 2025.