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Effect of levels of concentrate supplement on live weight gain and carcass characteristics in sheep on restricted grazing


Effect of levels of concentrate supplement on live weight gain and carcass characteristics in sheep on restricted grazing



Asian-Australasian Journal of Animal Sciences 11(1): 17-20



ISSN/ISBN: 1011-2367

Sixteen local sheep (8 male + 8 female) of about six months old with average live weight 10.78 (+-1.11) kg were allocated into four treatments. The treatments (T) are : T0 = Restricted grazing without concentrate; T1, T2 and T3 = Grazing + 100, 200 and 300 g concentrate per sheep daily. Live weight of grazing (7.30 hrs daily) sheep was recorded in each week. The uncastrated male sheep were slaughtered for carcass and non-carcass parameters. Statistically significant (p < 0.05) differences were observed in live weight gain (g/day) among the treatments (T0 = 15.71; T1 = 22.66; T2 = 32.66 and T3 = 40.47). The dressing % were: (T0 = 32.75, T1 = 38.50, T2 = 36.90 and T3 = 37.75). The warm carcass weight represented 37.21% of live weight. Significant (p < 0.01) correlation were observed for live weight with carcass weight (r = 0.99) and dressing % (r = 0.88). Concentrate supplement increase live weight gain in sheep on grazing. Live weight is a good indicator to assess carcass characteristics.

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Accession: 003109498

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