Growth performance, meat quality, and carcass characteristics in growing and fattening Hanwoo steers fed bentonite/Desempenho, qualidade da carne e caracteristicas de carcaca em novilhos Hanwoo em crescimento e engorda alimentados com bentonita

Thirty-six castrated, seven months-old Hanwoo steers (initial body weight: 184 [+ or -] 5.2kg) were assigned to three treatments over 23 months to evaluate the effects of supplementation with bentonite (0, 0.1 and 0.3%) on growth performance and carcass and meat characteristics. A completely randomi...

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Veröffentlicht in:Acta scientiarum. Animal sciences 2017-07, Vol.39 (3), p.309
Hauptverfasser: Young-Jik, Kim, Woo-Whan, Jang, Tae-Ho, Chung, In-Hag, Choi
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Woo-Whan, Jang
Tae-Ho, Chung
In-Hag, Choi
description Thirty-six castrated, seven months-old Hanwoo steers (initial body weight: 184 [+ or -] 5.2kg) were assigned to three treatments over 23 months to evaluate the effects of supplementation with bentonite (0, 0.1 and 0.3%) on growth performance and carcass and meat characteristics. A completely randomized design with three replicates was used. The inclusion of a bentonite-supplemented diet had an influence on final weight, total weight gain, and average daily gain. Bentonite supplementation had no significant effect on proximate composition and meat quality. For carcass characteristics, there were no significant differences in yield traits and quality traits between treatments (but not cold carcass weight, marbling score, and quality grade). It was concluded that supplementation with bentonite (0.1 and 0.3%) improved growth performance, cold carcass weight, marbling score and quality grade compared with the control, except for meat quality. Keywords: bentonite, Hanwoo steers, quality traits, yield traits. Para avaliar os efeitos da suplementacao com bentonita (0, 0,1 e 0,3%) sobre o desempenho de crescimento e caracteristicas da carcaca e da carne, foram avaliados 36 novilhos Hanwoo, castrados, com sete meses de idade (peso inicial: 184 [+ or -] 5,2 kg) distribuidos nos tres tratamentos. Utilizou-se um delineamento inteiramente casualizado com tres repeticoes. A inclusao de uma dieta suplementada com bentonita teve influencia no peso final, ganho de peso total e ganho medio diario. A suplementacao com bentonita nao teve efeito significativo na composicao centesimal e na qualidade da carne. Para as caracteristicas de carcaca, nao houve diferencas significativas nas caracteristicas de rendimento e de qualidade entre os tratamentos (mas nao o peso da carcaca fria, nivel de marmoreio e grau de qualidade). Concluiu-se que a suplementacao com bentonita (0,1 e 0,3%) melhorou o desempenho de crescimento, peso de carcaca fria, nivel de marmoreio e grau de qualidade em relacao ao controle, com excecao da qualidade da carne. Palavras-chave: bentonita, novilho Hanwoo, caracteristicas de qualidade, caracteristicas de rendimento.
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Animal sciences</title><description>Thirty-six castrated, seven months-old Hanwoo steers (initial body weight: 184 [+ or -] 5.2kg) were assigned to three treatments over 23 months to evaluate the effects of supplementation with bentonite (0, 0.1 and 0.3%) on growth performance and carcass and meat characteristics. A completely randomized design with three replicates was used. The inclusion of a bentonite-supplemented diet had an influence on final weight, total weight gain, and average daily gain. Bentonite supplementation had no significant effect on proximate composition and meat quality. For carcass characteristics, there were no significant differences in yield traits and quality traits between treatments (but not cold carcass weight, marbling score, and quality grade). It was concluded that supplementation with bentonite (0.1 and 0.3%) improved growth performance, cold carcass weight, marbling score and quality grade compared with the control, except for meat quality. 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Para as caracteristicas de carcaca, nao houve diferencas significativas nas caracteristicas de rendimento e de qualidade entre os tratamentos (mas nao o peso da carcaca fria, nivel de marmoreio e grau de qualidade). Concluiu-se que a suplementacao com bentonita (0,1 e 0,3%) melhorou o desempenho de crescimento, peso de carcaca fria, nivel de marmoreio e grau de qualidade em relacao ao controle, com excecao da qualidade da carne. Palavras-chave: bentonita, novilho Hanwoo, caracteristicas de qualidade, caracteristicas de rendimento.</abstract><pub>Universidade Estadual de Maringa</pub><doi>10.4025/actascianimsci.v39i3.35405</doi></addata></record>
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title Growth performance, meat quality, and carcass characteristics in growing and fattening Hanwoo steers fed bentonite/Desempenho, qualidade da carne e caracteristicas de carcaca em novilhos Hanwoo em crescimento e engorda alimentados com bentonita
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