Longevity study considering the cow's age at last calving in nellore beef cattle - Caetano, Sabrina; Rosa, Guilherme; Savegnago, Rodrigo; Grupioni, Natália; Bezerra, Luiz; Lôbo, Raysildo Barbosa; Paz, Cláudia Cristina; Munari, Danísio (International Conference on Quantitative Genetics (ICQG), 2012)