Growth Patterns of Muscle, Fat and Bone, and Carcass Composition of Double Muscled and Normal Cattle

Shahin, Karima A.; Berg, R. T.

doi:10.4141/cjas85-035

Cited by 48 publications

(22 citation statements)

References 16 publications

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“…Shahin and Berg (1985e) found that, compared with normal young bulls, DM bulls had a lower proportion of these muscles. Also, Shahin et al (1985a) working with the same DM cows as in the present study found that DM cows had a significantly lower proportion of the anterior thigh muscles than normal cows.…”

Section: In Normal Young Cattle Mukhoty Andsupporting

confidence: 69%

Sex Differences in Carcass Composition and Tissue Distribution in Mature Double Muscled Cattle

Shahin¹,

Berg²,

Price³

1986

Can. J. Anim. Sci.

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Section: In Normal Young Cattle Mukhoty Andsupporting

confidence: 69%

Sex Differences in Carcass Composition and Tissue Distribution in Mature Double Muscled Cattle

Shahin¹,

Berg²,

Price³

1986

Can. J. Anim. Sci.

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“…According to Shahin and Berg (1985), the cattle can be classified as: small animals or at early physiological maturity, medium or at intermediate physiological maturity and large size or at late physiological maturity. This classification considers the maturity and the body weight and is related to the body development, and the sexual and physiological maturity.…”

Section: Resultsmentioning

confidence: 99%

Carcass morphometry of crossbred steers subjected to different nutritional strategies in the growing and finishing phases

Rezende

Restle

Pádua

et al. 2013

Acta Sci. Anim. Sci.

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ABSTRACT. The present study aimed to evaluate the effects of different nutritional strategies in growing and finishing phases on the carcass morphometry of 24 crossbred steers, ½ Holstein/Zebu, slaughtered at 15 months of age and 395.0kg live weight. In the growing phase, animals were maintained grazing on Brachiaria brizantha, receiving two levels of energy supplementation in quantities equivalent to 0.5 or 1.0% live weight. Then, animals were finished in feedlot receiving diets composed of 50 or 80% concentrate. The percentage of primary cuts was not influenced by feed levels in the growing and finish phases. The high supplementation level in the growing phase resulted in a higher (p < 0.05) carcass length (134.48 vs. 131.43 cm). The food levels did not influence the conformation of the carcasses, however the highest level in the growing and finishing phases resulted in a higher (p < 0.05) cushion thickness (23.46 vs 21.26 cm). It was found a significant interaction between feeding levels in the different phases for the leg length and arm perimeter with increase of 14.78 and 4.80%, respectively for animals given high energy levels in both phases. The high feeding level in the growing phase was more attractive owing the positive effects on some important measures of carcass, especially in the length.Keywords: arm perimeter, conformation, carcass length, cushions thickness, energy, supplementation.Morfometria da carcaça de novilhos mestiços submetidos a diferentes estratégias nutricionais na recria e terminação RESUMO. Objetivou-se avaliar os efeitos de diferentes estratégias nutricionais na recria e terminação sobre a morfometria da carcaça de 24 bovinos mestiços ½ Holandês/Zebu, abatidos aos 15 meses de idade com 395,0kg de peso vivo. Na fase de recria os animais foram mantidos em pastagem de Brachiaria brizantha recebendo dois níveis de suplementação energética em quantidade equivalente a 0,5 ou 1,0% do peso vivo. Posteriormente, os animais foram terminados em confinamento com dietas compostas por 50 ou 80% de concentrado. Os percentuais dos cortes primários não foram influenciados pelos efeitos estudados. O nível alto de suplementação na recria proporcionou maior (p < 0,05) comprimento de carcaça (134,48 vs 131,43 cm). Os níveis alimentares não influenciaram a conformação das carcaças, entretanto o maior nível de suplementação na recria e de concentrado na terminação proporcionaram maior (p < 0,05) espessura de coxão (23.46 vs 21.26 cm). Constatouse interação significativa entre níveis alimentares nas diferentes fases para o comprimento de perna e perímetro de braço com aumento de 14,78 e 4,80%, respectivamente, em favor dos animais que receberam alto nível de alimentação em ambas as fases. O nível alimentar alto na recria mostrou-se tecnicamente melhor pelos seus efeitos positivos sobre algumas medidas importantes da carcaça, notadamente o comprimento.Palavras-chave: perímetro de braço, conformação, comprimento da carcaça, espessura de coxão, energia, suplementação.

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“…The HE were purebred, SY were a combination of the Charolais, Angus and Galloway breeds and DM were a combination of Angus, Galioway, Limousin and Charolais breeds. Details of the animals, and of their common feeding regimen, management, slaughter plan and dissection procedure were described in a previous paper (Shahin and Berg 1985a For personal use only. In Table 5 …”

Section: Methodsmentioning

confidence: 99%

“…L'hypod6veloppement des tissus osseux dans les carcasses A muscleJ hypertrophi6s suit un gradient disto-proximal particuliErement prononc6 dans le cas la partie proximale du membre post6rieur' (Vissac 1973;Shahin and Berg 1985a). However, the reduction in bone is not the same for all parts of the skeleton as shown by Dumont (1982).…”

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Growth and Distribution of Bone in Double Muscled and Normal Cattle

Shahin¹,

Berg²

1985

Can. J. Anim. Sci.

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snenrN, K. A. exo Bnnc, R. T. 1995. Growth and distribution of bone in Double Muscled and normal cattle. Can. J. Anim. Eighteen Double Muscled (DM), l8 Beef Synthetic (sy) and t8 Hereford (HE) bulls, serially slaughtered from approximately 250 to g00 kg liveweight, *".. ur.d to determine the influence of 'double muscling' and maturiiy type on bone growth patterns and distribution. Relative to total side bone (TSB), bie-ed types tended to have similar growth coefficients for all bones or bone groups except the vertebral column where HE tended to have a higher growth coeffiiienithan eiiher Sy or DM.As TSB increased the proportion ofbone in scapula, costae, vertebrae lumbales and os coxae increased (D>1;P<0.05), the proportion of bone in humerus, radius et ulna, tibia, carpus and atlas decreased (b0.05) . The appendicular skeleton followed an increasing disto-proximal growth gradient, whereas the vertebrae followed an increasing cranio-caudal gradient. compared with the more normal breed types, adjusted t6 the same TSB, DM had proportionately less bone weight in the pioximal hindlimb and total long bones, but they had proportionately moie bone weight in costae and sternum. The hypodevelopment of bones in the muscular hyperirophied animals followed a disto-proximal gradient which was most pronounced in the proximal pelvic limb.

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Growth Patterns of Muscle, Fat and Bone, and Carcass Composition of Double Muscled and Normal Cattle

Cited by 48 publications

References 16 publications

Sex Differences in Carcass Composition and Tissue Distribution in Mature Double Muscled Cattle

Sex Differences in Carcass Composition and Tissue Distribution in Mature Double Muscled Cattle

Carcass morphometry of crossbred steers subjected to different nutritional strategies in the growing and finishing phases

Growth and Distribution of Bone in Double Muscled and Normal Cattle

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