The effect of dietary energy content on quality characteristics of Boer goat meat
Tertius S Brand1, Daniel A Van Der Merwe2, Louwrens C Hoffman2
1Department of Agriculture, Western Cape Government, Private Bag X1, Elsenburg 7607, South Africa; Department of Animal Sciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa.
Abstract:
The palatability and chemical composition of Longissimus lumborum muscles from 24 Boer goat castrates (eight goats per treatment), finished on diets varying in energy content (9.7, 10.2 and 10.6MJ ME/kg feed), were evaluated by a trained sensory panel on a line scale ranging from low to high intensity for aroma, flavour and texture attributes. Physical measurements as well as proximate analysis were performed for each sample. No differences (P>0.05) were found between the dietary treatments for any of the attributes analysed. Lamb flavour and aroma were the most prominent attributes, while only low levels of goat-like flavours were detected. Juiciness and tenderness had a strong correlation (r=0.864) and were rated to be moderate. The findings suggest that energy density of feedlot diets can be varied to still produce chevon with uniform meat quality characteristics.
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