The aim of work was to analyze the collagen effect in meat tenderness of animals of different genetic groups produced by very young bullock production system. Male calves Nellore purebred, ½ Nellore x ½ Aberdeen Angus and ½ Nellore x ½ Simmental crossbred were used. After slaughter and cooling for 24 hours Longissimus dorsi samples were removed, between 11th and 13th ribs, one sample was frozen and the others a...
The objective of this work was to evaluate the characteristics of meat quality in Brazilian yearly cattle. Ninety young male crossbred animals were used. These were products from a crossbreeding between Aberdeen Angus, Canchim and Simental males and Nelore females. The animals were kept in feedlots for 168 days in completely randomized design. Four samples of the longissimus dorsi were collected between the 11ª...