Haematological, Carcass Characteristics and Meat Quality of Intensively Managed West African Dwarf Goats Slaughtered at Different Live Weights

Bulletin of animal health and production in Africa. Bulletin des sante et production animales en Afrique Pub Date : 2011-01-01 DOI:10.4314/BAHPA.V59I1.68409

O. A. Fasae, B. Ibikunle, Oa Oyenaiya, I. F. Adu

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Abstract

The West African Dwarf (WAD) breed of goats was slaughtered at live weights (LW) of 10, 12, 14, and 16kg to determine the effect of live weight at slaughtering on the carcass characteristics and meat quality. Prior to slaughtering, blood samples were collected through jugular vein of each animal to determine the haematological parameters. The haematological parameters monitored varied (P 0.05) by LW at slaughter but crude protein, fat, ash contents and pH values differed significantly (P 0.05), while colour of meat from goats slaughtered at 10kg LW was rated low (P < 0.05). Meat of goats slaughtered at 10 and 12kg LW was more tender (P < 0.05) compared with that of those slaughtered at higher LW while overall acceptability was rated high (P < 0.05) for goats slaughtered at higher LW. It was however, concluded that the haematological parameters, carcass characteristics and meat quality of West African dwarf goats differ with LW at slaughter. Goats slaughtered at 14 and 16kg LW produced high DP and their meat was most acceptable to the panelist on account of preference.

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集约管理西非矮山羊不同活重屠宰的血液学、胴体特性和肉质

在活重分别为10、12、14和16kg时屠宰西非矮山羊(WAD)品种，以确定屠宰时活重对胴体特性和肉质的影响。屠宰前，通过颈静脉采集每只动物的血液样本，确定血液学参数。屠宰时不同体重山羊的血液学参数监测差异显著(P 0.05)，但粗蛋白质、脂肪、灰分含量和pH值差异显著(P 0.05)， 10kg体重山羊的肉色评分较低(P < 0.05)。10、12kg LW屠宰山羊的肉质较高LW屠宰山羊的肉质更嫩(P < 0.05)，高LW屠宰山羊的总体可接受度较高(P < 0.05)。结果表明，西非矮山羊在屠宰时的血液学参数、胴体特性和肉品质的差异与低屠宰率有关。14公斤和16公斤屠宰的山羊产高DP，他们的肉是小组成员最喜欢的。

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Bulletin of animal health and production in Africa. Bulletin des sante et production animales en Afrique

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