This work was carried out to study the effect of protein and mineral salt supplements in comparison to mineral salt on performance of growing and finishing steers, and to evaluate the availability, chemical composition and in vitro digestibility of forage during the winter. Seventy four steers were used, 37 with 266 kg of initial body weight and 37 with 377 kg of initial body weight. At the onset of the fall grass production period in May both animal groups (growing […]

The objective was to evaluate the effect of supplemention of young bulls, under grazing, in the rainy season period. The experiment was conducted at the Braga Farm in Araponga, MG, in the period from january to april of 1999. Using twenty four young bulls with 335 kg LW of initial body weight, and nine fistulated steers, in Gordura (Melinis minutiflora) and Brachiaria radicans grass. Three comercial supplements were used: mineral salt supplement (SM), corn-wheat meal and urea based protein supplement […]

Fifty-one postpartum Nellore cows were used to study the effect of the utilization of protein concentrate, during the summer time, on the forage intake, weight gain and body condition score changes after parturition of Nellore cows. The animals were randomly allotted in the following treatments: T0 – without supplementation; T1 – supplemented with 1 kg and T2 – supplemented with 2 kg of concentrate with 40.8% of crude protein, during 105 days. During this period, body score and body weight […]