The effect of breed-type and castration on muscle growth and distribution in cattle

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

doi:10.1016/0301-6226(93)90237-c

Cited by 6 publications

(3 citation statements)

References 16 publications

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“…Control bulls had greater percentage of edible meat in the thoracic limb and lower in the pelvic limb than both groups of steers (P<0.001), as observed by others (Mukhoty and Berg, 1973;Owens et al, 1995;Shahin et al, 1993). According to Brandstetter et al (2000), the effect of testosterone on sexual dimorphism is evident by differential growth of forelimb and neck muscles in bulls and steers.…”

Section: Carcass Traitssupporting

confidence: 54%

Performance and Carcass Quality of Forage-Fed Steers as an Alternative to Concentrate-Based Beef Production

Alibés

Joy

Albertı́

et al. 2014

Italian Journal of Animal Science

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Section: Carcass Traitssupporting

confidence: 54%

Performance and Carcass Quality of Forage-Fed Steers as an Alternative to Concentrate-Based Beef Production

Alibés

Joy

Albertı́

et al. 2014

Italian Journal of Animal Science

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“…The heaviest breeds slaughtered at a small proportion of the respective mature weight maximise the early maturing joints, particularly in the hind quarter [10,20]. In the present study, the animals were serially slaughtered, taking into account the mature weight of the breeds.…”

Section: Resultsmentioning

confidence: 99%

Distribution of tissues in carcasses at the same proportion of total fat in Portuguese cattle breeds

Simões¹,

Mendes²

2003

Anim. Res.

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-A comparison was made of the distribution of bone, muscle, subcutaneous fat and intermuscular fat (g of tissue in the joint per kg of the respective tissue in the carcass) at the same proportion of total carcass fat for a total of 165 animals from three large (Alentejana (n = 24); Mirandesa (n = 24); Marinhoa (n = 24)), and four small, (Arouquesa (n = 24); Barrosã (n = 23); Maronesa (n = 24) and Mertolenga (n = 22)) Portuguese breeds, serially slaughtered at three different weights. The distribution of muscle was significantly different across breeds in a larger number of joints than either the distribution of bone, subcutaneous fat or intermuscular fat. However, the range of differences in each joint was narrower for muscle. So, amongst the first class joints (leg, sirloin, ribs and fore ribs), only the sirloin and the fore ribs, both with a range across breeds of only 7 g·kg -1 , were significantly different between breeds. On the contrary to subcutaneous fat, the proportions of intermuscular fat tend to decrease, particularly in the leg. As expected, the joints with homogeneous parameters were the most accurate for predicting the proportion of muscle (g·kg -1 ) in the carcass from the proportion of muscle (g·kg -1 ) in the joint. For the large breeds, the most accurate joints were the leg and the coast, with a residual s.d. of 13.91 g·kg -1 and 18.45 g·kg -1 , respectively; and for the small breeds the most accurate joints were the fore ribs and the leg, with a residual s.d. of 15.35 g·kg -1 and 17.11 g·kg -1 , respectively. The difference between the actual breed means and the means predicted using the overall equation for each of the most accurate joints were lower than ± 4 g·kg -1 for all breeds with the exception of the Barrosã with a value of -8 g·kg -1 . distribution / joints / carcasses / beef cattle Résumé -Répartition des tissus dans les carcasses de bovins de races autochtones portugaises. Une étude comparative a été menée sur la répartition des tissus osseux, musculaires, adipeux sous-cutané et adipeux intermusculaires (g de tissu dans le morceau par kg de tissu respectif dans la carcasse) pour une même proportion de gras total. Au total 165 animaux, comprenant des races de grande taille : Alentejana (n = 24), Mirandesa (n = 24), Marinhoa (n = 24), et des races de petite taille : 287 Anim. Res. 52 (2003) Arouquesa (n = 24), Barrosã (n = 23), Maronesa (n = 24) et Mertolenga (n = 23), ont été séquentiel-lement abattus à 3 poids différents. Le muscle était le tissu dont la répartition a été significativement différente entre les morceaux, mais où l'amplitude des différences entre races, pour chaque morceau, a été plus étroite. Parmi les morceaux de première catégorie, seuls l'aloyau et l'entrecôte, tous deux avec une amplitude de 7 g·kg -1 , ont été significativement différents entre les races. Comme attendu, les morceaux avec des paramètres de régression homogènes ont été les plus précis pour prédire la proportion de muscle (g·kg -1 ) dans la carcasse à partir de la proportion de muscle (...

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“…It is the carcass' muscle contributing predominantly to the yield of saleable beef. Signifi cant between breed diff erences were reported in muscle growth and distribution when the muscle in wholesale cut was related to the total muscle within carcass despite the diff erences were relatively small (Shahin et al, 1993, Mc Gee et al, 2007.…”

Section: Introductionmentioning

confidence: 99%

Muscle Growth and Distribution in Fattening Steer of Different Breeds

Priyanto¹,

Johnson²

2011

med pet

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The breed pa erns in growth and distribution of muscle were studied using three breeds of beef ca le entering fa ening phase. This study involved 23 grass-fed steer Brahman, 24 Hereford and 22 Brahman x Hereford crosses with a live weight range of 300 to 600 kgs. An allometric Huxley model was used to study the growth and distribution pa erns of muscle tissue within wholesale cut. There were several cuts in which the muscle growth coeffi cients were signifi cantly diff erent among breeds. Comparisons of muscle weight distribution at log natural of 75 kg side muscle + bone weight (4.313 kg) generally showed signifi cant between-breed diff erences. Herefords tended to have more muscles in their wholesale cuts than Brahmans and/or Brahman x Hereford crosses, except the muscles in Tenderloin, Rib Set and Chuck. Brahmans had heavier Topside and Silverside than Herefords and Brahman x Hereford crosses and the diff erences were maintained at log natural of 114 kg side muscle + bone weight (4.733 kg). At this heavier weight, there was a general tendency for Brahmans to have more muscle in their wholesale cuts than the Brahman x Hereford steers, except the muscle in Loin and Neck + Sticking.

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The effect of breed-type and castration on muscle growth and distribution in cattle

Cited by 6 publications

References 16 publications

Performance and Carcass Quality of Forage-Fed Steers as an Alternative to Concentrate-Based Beef Production

Performance and Carcass Quality of Forage-Fed Steers as an Alternative to Concentrate-Based Beef Production

Distribution of tissues in carcasses at the same proportion of total fat in Portuguese cattle breeds

Muscle Growth and Distribution in Fattening Steer of Different Breeds

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