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Comparison of carcass composition by parts and tissues between cocks and capons

机译：公鸡和阉鸡之间的部位和组织的胴体组成比较

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摘要

The effect of caponisation on carcass composition by parts and tissues was examined. Twenty-eight castrated and twenty male Penedesenca Negra chicks reared under free-range conditions were slaughtered at 28 weeks of age. The birds were castrated at 4 or 8 weeks. The left sides of the carcasses were quartered (wing, breast, thigh and drumstick), and the parts dissected into the tissue components (skin, subcutaneous fat, intermuscular fat, muscle, bone and tendons). Capons showed more abdominal, intermuscular and subcutaneous fat than the cocks, both at the same slaughter age and at the same weight. The breast and thigh were heavier in the capons than in the cocks. However, the whole muscle mass in the breast was increased by caponisation. This favourable effect was achieved at the expense of decreasing the carcass yield. The age of castration up to 8 weeks did not affect the carcass composition of the parts and tissues.
机译：检查了caponization对部分和组织的car体组成的影响。在28周龄时，对在自由放养条件下饲养的28只cast割和20只雄性Penedesenca Negra小鸡进行了宰杀。这些鸟在第4或8周被cast割。 car体的左侧四分之一（翼，胸，大腿和鸡腿），并将其解剖成组织成分（皮肤，皮下脂肪，肌间脂肪，肌肉，骨骼和肌腱）。在相同的屠宰年龄和相同的体重下，相比ons，子显示出更多的腹部，肌肉间和皮下脂肪。鸡冠上的胸部和大腿比公鸡上的重。但是，人均资本化会增加乳房的整体肌肉质量。以降低the体收率为代价获得了这种有利效果。 cast割至8周的年龄并未影响部位和组织的car体组成。

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