CRESPILHO, André Maciel; SEGABINAZZI, Lorenzo Garrido; PINTO, Helton Nunes; CAMARGO, Tiago; FERREIRA, Cristiano Silva; CAVALHEIRO, Igor; PEIXOTO JUNIOR, Kleber da Cunha; CERRI, Ronaldo Aoki. Can cover sheath model influence semen retention in AI-gun trials and pregnancy rates of cows inseminated at a fixed-time?. Semina: Ciências Agrárias, [S. l.], v. 41, n. 5, p. 1601–1612, 2020. DOI: 10.5433/1679-0359.2020v41n5p1601. Disponível em: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/36831. Acesso em: 14 apr. 2026.