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Levels of supplementation in the performance for beef heifers, in granzing, during the dry season. Repositório Alice
PORTO, M. O.; PAULINO, M. F.; VALADARES FILHO, S. C.; DETMANN, E.; SALES, M. F. L.; CAVALI, J.; COUTO, V. R. M.; MONNERAT, J. P. I. S.; ASSIS, A. A. R..
Productive performance of crossbreds Nellore beef heifers, in the growing stage receiving different supplement levels for three months grazing Brachiaria decumbens pasture were evaluated. The area was divided in five paddocks of 2.5 ha, with dry matter availability and potentially of dry matter digestible of 3.85 and 2.12 t/ha, respectively. Forty beef heifers of 191 ± 3.99 kg initial weight and 8.5 ± 0.15 months of age were assigned in a completely randomized experimental design with five treatments, and four supplementation levels. Mineral mixture (MM) (60 g/day) and multiple supplements, formulated to supply different supplementation levels in the amounts of 0.5, 1.0, 1.5 and 2.0 kg/animal more MM (60 g/day) were evaluated. The supplement had 300 g of...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Gado de corte; Gado Nelore; Nutrição animal; Suplemento mineral; Pastagem; Gramínea forrageira; Capim Brachiaria; Brachiaria decumbens; Ganho de peso; Beef cattle; Nellore; Animal nutrition; Dietary mineral supplements; Pastures; Forage grasses; Cattle feeding; Ganado de carne; Raza de bovinos Nelore; Nutrición animal; Suplementos dietéticos minerales; Pastizales; Pastos forrajeros; Alimentación de ganado.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/990138
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Macromineral requirements by beef cattle under pasture supplementation. Repositório Alice
SALES, M. F. L.; PAULINO, M. F.; VALADARES FILHO, S. de C.; PORTO, M. O.; COUTO, V. R. M.; PAULINO, P. V. R..
The objective of this work was to determine macromineral requirements by Zebu steers grazing Brachiaria decumbens supplemented with concentrate. It was used 24 non-castrated steers, at an average age of 7 months and at initial average weight 180 kg. Eight control animals were slaughtered for determining initial body composition. The 16 remaining animals were divided in four four-animal plots, in a complete random design. Each plot received mineral mixture or supplements at the levels 0.75; 1.50 or 2.25 kg/animal/day. The right half-carcass of eight animals, two per group, was dissected in muscle, fat and bones and all body constituents were weighted for determination of empty body weight and body composition. Net requirements of calcium and phosphorus for...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Beef steer; Gado de corte; Gado Zebu; Novilho de corte; Nutrição animal; Pastagem; Gramínea forrageira; Capim Brachiaria; Brachiaria decumbens; Suplemento mineral; Cálcio; Fósforo; Magnésio; Sódio; Potássio; Beef cattle; Zebu; Steers; Ganado de carne; Animal nutrition; Pastures; Forage grasses; Dietary mineral supplements; Calcium; Phosphorus; Magnesium; Sodium; Cebú; Potassium; Becerros castrados; Pastizales; Nutrición animal; Pastos forrajeros; Suplementos dietéticos minerales.
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/handle/doc/902535
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Nutritional requirements of energy, protein and macrominerals for maintenance and weight gain of young crossbred Nellore × Holstein bulls on pasture. Repositório Alice
PORTO, M. O.; PAULINO, M. F.; VALADARES FILHO, S. de C.; DETMANN, E.; CAVALI, J.; SALES, M. F. L.; VALENTE, E. E. L.; COUTO, V. R. M..
The objective of this study was to estimate requirements of energy, protein and macrominerals of young Nellore/Holstein crossbreds bulls supplemented on pastures of Brachiaria decumbens Stapf. Thirty-five young bulls, at 8.53±0.18 months of age and with initial body weight of 230.6±6.1 kg were used. Ten animals were slaughtered as reference, in different weight range, and the other animals were slaughtered at the end of the experimental period. For estimate of net energy requirements for weight, a regression equation between log of retained energy (RE) and log of empty body weight gain (EBWG) was constructed. Net requirements of Ca, P, Mg, Na and K were determined by the equation Y' = a.b.Xb-1, in which a and b represent the intercept and the coefficient...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Nelore x Holstein; Gado de corte; Nutrição animal; Pastagem; Gramínea forrageira; Capim Brachiaria; Brachiaria decumbens; Suplemento mineral; Nutriente mineral; Proteína; Energia; Ganho de peso; Touro; Bezerro mestiço; Gado Nelore; Gado Holandês; Beef cattle; Animal nutrition; Pastures; Forage grasses; Dietary mineral supplements; Dietary energy sources; Dietary protein; Weight gain; Young animals; Crossbreds; Bulls; Nellore; Holstein; Ganado de carne; Pastizales; Nutrición animal; Suplementos dietéticos minerales; Fuentes energéticas dietéticas; Proteína dietética; Pastos forrajeros; Animales jóvenes; Aumento de peso; Productos del cruzamiento; Toros; Raza de bovinos Nelore; Raza de ganado Holstein.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/927192
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