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Effect of replacing clover hay with graded levels of biologically-treated rice straw on nutritive value and rumen fermentation in sheep [electronic resource].

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Ahmed, B. M

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Language: English Summary language: Arabic Description: P.331-341Other title:

تأثير استبدال دريس البرسيم بمستويات متتالية من قش الأرز المعامل حيويا على القيمة الغذائية وتخمرات الكرش في الأغنام [Added title page title]

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Minufiya journal of agricultural research, 2016 V. 41 (2) [electronic resource].

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In: Minufiya Journal of Agricultural Research 2016.v.41(1)Summary: This study was conducted to evaluate the effect of inclusion of fungal-treated rice straw in sheep ration as a replacement for some of Berseem-hay on digestibility, nutritive value, N- balance and rumen fermentation. Twelve Barki rams were assigned randomly to three similar groups (4 rams each) with an average body weight of 45 kg. Treated rice straw was included in three rations with 50:50% roughage: concentrate ratio at different replacement percentage of clover hay (0, 20 and 40%). Rumen fermentation characters (pH, VFA and NH3- N) were determined at 0, 3 and 6h after feeding. Digestion coefficients of CP, CF and EE were increased with the treated rations. The experimental diet with 40% RS recorded the highest values of both DCP% and TDN%. ADF and GEL digestibility were significantly higher (P<O. 05) for RS40 than the other diets. Nitrogen balance (NB) was 4.3, 4.94 and 6.04 gld, for control, RS20 and RS40, respectively. Differences were highly significant (P<0.001). Treating rice straw did not negatively affect the rumen fermentation.

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This study was conducted to evaluate the effect of inclusion of fungal-treated rice straw in sheep ration as a replacement for some of Berseem-hay on digestibility, nutritive value, N- balance and rumen fermentation. Twelve Barki rams were assigned randomly to three similar groups (4 rams each) with an average body weight of 45 kg. Treated rice straw was included in three rations with 50:50% roughage: concentrate ratio at different replacement percentage of clover hay (0, 20 and 40%). Rumen fermentation characters (pH, VFA and NH3- N) were determined at 0, 3 and 6h after feeding. Digestion coefficients of CP, CF and EE were increased with the treated rations. The experimental diet with 40% RS recorded the highest values of both DCP% and TDN%. ADF and GEL digestibility were significantly higher (P<O. 05) for RS40 than the other diets. Nitrogen balance (NB) was 4.3, 4.94 and 6.04 gld, for control, RS20 and RS40, respectively. Differences were highly significant (P<0.001). Treating rice straw did not negatively affect the rumen fermentation.

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