BLUETT, S.; HODGSON, J.; KEMP, P.; BARRY, T. Performance of lambs and the incidence of staggers and heat stress on two perennial ryegrass cultivars over three summers in the Manawatu. NZGA: Research and Practice Series, [S. l.], v. 7, p. 143–150, 1999. DOI: 10.33584/rps.7.1999.3383. Disponível em: https://www.nzgajournal.org.nz/index.php/rps/article/view/3383. Acesso em: 25 jul. 2026.