Effects of grain source and corn silage level on carcass characteristics and feed intake of fattening Romanov-Moghani crossbred lambs.

اخوان مغانلو, صالح and عبدی بنمار, حسین and سیف دواتی, جمال and زیدان محمد سالم, عبدالفتاح and فتحی آچاچلوئی, بهرام Effects of grain source and corn silage level on carcass characteristics and feed intake of fattening Romanov-Moghani crossbred lambs. In: 2nd International and 6th National Iranian Congress on Organic vs. Conventional Agriculture, August 2019, Ardabil, Iran.

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Abstract

The aim of this study was to investigate the effects of grain source and corn silage level on Carcass characteristics and dry matter intake of Romanov-Moghani crossbred lambs. twenty - four male lambs of Romanov-Moghani were used in a randomized complete design with 4 diets and 6 replicates (lambs) in each diet for 60 days. The experimental diets in this research were: 1) Romanov-Moghani lamb fed 25 % corn silage diet with barley grain, 2) Romanov-Moghani lamb fed 75 % corn silage deit with barley grain, 3) Romanov-Moghani lamb fed 25 % corn silage diet with corn grain, 4) Romanov-Moghani lamb fed 75 % corn silage diet with corn grain. The total dry matter intake and dry matter intake in second month were affected by both experimental factors (corn silage level and grain source) (P<0.05). so that the diet containing 25 % of corn silage with barley grain had the highest dry matter intake and ration of (75 % corn silage with barley grain) had the lowest dry matter intake in experimintal groups. The final body weight, carcass weight, fat (tail) weight and back fat were not affected by both experimental factors (P>0.05). The fat (tail) percentage by affected of silage level ther was a tendency(p=0.06) . The fat (tail) percentage fed lambs with C75 was higher than fed lambs with C25. The carcass characteristics of lambs were not affected by experimental diets (P>0.05). Based on obtained results fed 25 % corn silage diet with barley grain can be recommend.

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