O objetivo foi avaliar os efeitos dos níveis de glicerina bruta (GB) (0; 2,65; 5,33; 8,06 e 10,84% na base da matéria seca) sobre o consumo, digestibilidade, desempenho, medidas morfométricas da carcaça e qualidade da carne de ovinos terminados em confinamento. Foram utilizados 25 cordeiros mestiços Santa Inês x Dorper, machos, castrados, com peso corporal médio de 24 ± 2,0 kg, alojados em baias individuais, em...
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This paper aims to evaluate the influence of milking time on the ingestive behavior of crossbred cows in the production system with suckling calves. The experiment lasted 48 days. Sixteen crossbred cows with different lineages were submitted to the treatments and divided into two groups that alternated these treatments. Treatments were: traditional (5:30 a.m.) and alternative schedule (8:00 a.m.). The cows were...
Twenty-one crossbreeding heifers (½ Nelore vs ½ Aberdeen Angus) with about 307.90 kg of live weight and eighteen months of age were used in a complete randomized design with three treatments and seven repetitions. The treatments were: control heifers, ovariectomized animals and with fifty gunshot spheres in uterine corn. The heifers were fed with 50% of corn silage and 50% concentrated. The feed intake was abou...
This work was conducted in order to study the chemical composition, fatty acid profile, as well as the levels of n-3 and n-6 fatty acids and conjugated linoleic acid (CLA) present in the Longissimus muscle of Caracu and Caracu vs. Charolais genetic groups of cattle. This study was carried out at the Experimental Farm of the Agronomic Institute of Paraná, in southern Brazil. Twenty animals (10 Caracu – CAR and 1...
The vast majority of livestock are fed ad libitum, with free access to feed during most of the time. In order to achieve efficient production, it is necessary to raise levels of voluntary feed intake – in general, the more the animal eats, the more it produces and the more efficient it becomes. Intake amounts are guided by nutritional requirements, and an approximate estimate of how much an animal will ingest c...