Cuts of dairy-origin cattle fed mesquite pod meal in replacement of corn/Cortes de bovinos de origem leiteira alimentados com farelo da vagem de algaroba em substituicao ao milho

This study was carried out in order to assess commercial front and rear cuts of dairy-origin cattle fed mesquite pod meal. Twenty-five non-castrated male bovines (Holstein-Zebu), distributed according to a completely randomized design, with five animals per treatment, were used. The feed contained a...

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Veröffentlicht in:Acta scientiarum. Animal sciences 2017-10, Vol.39 (4), p.401
Hauptverfasser: Almeida, Marina de Paula, de Souza, Evaristo Jorge Oliveira, Veras, Antonia Sherlanea Chaves, Morais, Italo Marcos de Vasconcelos, Vitor, Danilo Ribeiro, da Silva, Jose Ricardo Coelho
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Zusammenfassung:This study was carried out in order to assess commercial front and rear cuts of dairy-origin cattle fed mesquite pod meal. Twenty-five non-castrated male bovines (Holstein-Zebu), distributed according to a completely randomized design, with five animals per treatment, were used. The feed contained about 121.2 and 544.98 g [kg.sup.-1] of crude protein and total digestible nutrients, respectively, and was composed of tifton grass hay, cornmeal, soybean meal, mesquite pod meal and mineral salt. The right half carcass of each animal was separated between the 5th and 6th ribs, in front and rear quarters, from which commercial cuts were obtained. There was no effect (p > 0.05) as to the replacement of corn for mesquite pod meal on the weights and yields of front cuts (shoulder, brisket, chuck, hump and flanks) and rear cuts (tenderloin, shank, knuckle, thin flank, flat, eye round, rump tail, top side, cap of rump, rump, cut of rump, striploin, cap of cube roll). Mesquite pod meal can substitute cornmeal in 100% in the concentrate without changes in weight and yield of the commercial front and rear cuts of male bovines of dairy origin. Keywords: amino acids, feedlot, muscle, weight, yield. Este trabalho foi realizado para avaliar os cortes comerciais do dianteiro e traseiro de bovinos de origem leiteira alimentados com farelo da vagem de algaroba. Utilizou-se 25 bovinos machos, nao castrados (Holandes-Zebu), distribuidos no delineamento inteiramente casualizado, com cinco animais por tratamento. A racao teve aproximadamente 121,2 e 544,98 g [kg.sup.-1] de proteina bruta e nutrientes digestiveis totais, respectivamente, e foi composta por feno de capim tifton, farelo de milho, farelo de soja, farelo da vagem de algaroba e sal mineral. A meia carcaca direita de cada animal foi separada entre a 5a e a 6a costelas em quarto dianteiro e traseiro, dos quais se obteve os cortes comerciais. Nao houve efeito (p > 0,05) da substituicao do milho pelo farelo da vagem de algaroba sobre os pesos e rendimentos dos cortes do dianteiro (paleta, peito, acem, cupim e costelas) e traseiro (file mignon, musculos, patinho, fraldao, cha de fora, lagarto, maminha, cha de dentro, picanha, alcatra, aranha, contra file, capa do contra file). O farelo da vagem de algaroba pode substituir o farelo de milho em 100% no concentrado sem que haja alteracao nos pesos e rendimentos dos cortes comerciais do dianteiro e traseiro de bovinos de origem leiteira. Palavras-chave: aminoacidos, confinamento
ISSN:1806-2636
DOI:10.4025/actascianimsci.v39i4.35176