The effect of the incorporation of sorghum in the diet of fattening kids on performances, carcass characteristics and meat quality
2013
S., El Otmani | M., Ayadi | M., Chentouf
The effect of including sorghum in the diet for fattening kids on growth performance, carcass characteristics and meat quality was studied. Three concentrate rations (Rm, R2 and R3) containing respectively 0 per cent, 25 per cent and 50 per cent DM of sorghum grain completed with barley and faba beans, were distributed to 3 groups of 5 local kids for 3 months. The results showed that sorghum had no effect on ADG (47.9, 48.9, 44.5 g per day respectively for Rm, R2 and R3), while the intake and feed conversion showed a significant difference (12.35, 11.65, 13.20 kg DM per kg weight gain (P less than 0.001).This difference was positive with 25 per centDM of sorghum. As for carcass characteristics, sorghum had no effect on performance and weight of carcass, pluck, gastric pouch, perirenal and mesenteric fat. Bone tissue was not affected, as the length of the carcass and thigh did not differ significantly. No differences were observed with regards to the muscle tissue because thigh thickness, compactness, conformation and muscle index were similar. Sorghum did not affect carcass color indices. In terms of technological (pH and water retention) and organoleptic (color and tenderness) meat quality traits, no effect of sorghum inclusion was observed. Sorghum incorporation can reach 50 per cent DM of kids concentrate without negatively affecting fattening performance, carcass characteristics and meat quality.
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