Effects of grain source and corn silage level on performance 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 performance 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 performance of fattening 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 diet 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.Feed conversion ratio were not affected by both experimental factors(grain source and forage source) (P>0.05). Total average daily gain and 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). Daily weight gain of lambs fed low level of corn silage (25 %) with barley grain was higher than other groups. Also, the dry matter intake lambs fed with a high level of corn silage (75 %) with barley grain was lower than other groups. Feed conversion ratio was not affected by the experimental diets (P>0.05). Based on the results, the diet with a low level of corn silage with barley had better daily gain and dry matter intake was higher than other treatments.

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