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Provedor de dados:  Arq. Bras. Med. Vet. Zootec.
País:  Brazil
Título:  Performance, carcass characteristics and ingestive behavior of steers fed with silages of different maize hybrids
Autores:  Horst,E.H.
Bumbieris Junior,V.H.
Data:  2019-12-01
Ano:  2019
Palavras-chave:  Bromatology
Feedlot stages
Noncarcass components
Weight gain
Zea mays L
Resumo:  ABSTRACT The objective of this study was to evaluate the performance, carcass characteristics and ingestive behavior of feedlot steers fed with three maize hybrids: Maximus VIP3, Defender VIP and Feroz VIP. The experiment lasted 112 days, weighing animals four times, every 28 days. The experimental diets were formulated and constituted by maize silage and pelletized ration in a 50:50 ratio (dry basis). Regardless of the hybrid used, there was an increase in the intake of dry matter with the advance in feedlot evaluation period (9.15, 9.14, 9.35 and 9.59kg day-1, in the first, second, third and fourth weighing, respectively). The type of maize hybrid silage influenced weight gain of animals differently, with a final mean of 1.413kg for animals fed with Maximus VIP3, 1,375kg for those fed with Defender VIP and 1,184kg for those fed with Feroz VIP. The animals fed with Feroz VIP hybrid silage showed higher carcass gain efficiency and were more active in the number of times they went to the feeder. Although the three evaluated hybrids resulted in good animal performance, the carcass characteristics did not change; nevertheless, the hybrid Maximus VIP3 is recommended for its superior bromatological composition.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Editor:  Universidade Federal de Minas Gerais, Escola de Veterinária
Relação:  10.1590/1678-4162-11057
Formato:  text/html
Fonte:  Arquivo Brasileiro de Medicina Veterinária e Zootecnia v.71 n.6 2019
Direitos:  info:eu-repo/semantics/openAccess

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