Effect of Bt-cottonseed meal feeding on performance, fermentation, ciliates population and microbial hydrolytic enzymes in lamb

Effect of Bt-cottonseed meal feeding on performance, fermentation, ciliates population and microbial hydrolytic enzymes in lamb

Effect of the Bt- or conventional cottonseed meal was assessed as well as the performance, fermentation, ciliate protozoa population and microbial enzyme of lambs. Three feed mixture (FM, forage: concentrate ration of 35: 65) contained groundnut oilmeal (GNM), insect protected Bt-cottonseed meal (Bt...

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Veröffentlicht in:African journal of biotechnology 2014-01, Vol.13 (3), p.509-522
Hauptverfasser: Tripathi, M K, Raghuvansi, S K S, Mondal, D, Karim, S A
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Arachis hypogaea
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container_title African journal of biotechnology
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creator Tripathi, M K
Raghuvansi, S K S
Mondal, D
Karim, S A
description Effect of the Bt- or conventional cottonseed meal was assessed as well as the performance, fermentation, ciliate protozoa population and microbial enzyme of lambs. Three feed mixture (FM, forage: concentrate ration of 35: 65) contained groundnut oilmeal (GNM), insect protected Bt-cottonseed meal (Bt-CM) or conventional whole cottonseed (C-CM) as protein source, were fed for 123 days to the control, C-CM and Bt-CM group of lambs, respectively. Whole seed meal Bt- and C-CM had similar nutrient composition. The Ca was higher while Zn content was lower in C-CM. Both CM had similar metabolizable energy (MJ/kg DM). Lambs of three groups had similar daily gain, DM intake and nutrient digestibility. Rumen fluid pH and TV FA were similar, while ammonia-N (mg/l) was higher (p
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Rumen enzymes activities of xyalanase, beta -glucosidase and beta -xylosidase were similar, while Bt-CM feeding reduced (p=0.010) carboxymethyl cellulase (CMCase) activity by 47% and increased proteases activity by 22%. The study concludes that inclusion of Bt-CM produced pronounced defaunation with reduced rumen ammonia concentrations, which improved daily gain. 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Rumen enzymes activities of xyalanase, beta -glucosidase and beta -xylosidase were similar, while Bt-CM feeding reduced (p=0.010) carboxymethyl cellulase (CMCase) activity by 47% and increased proteases activity by 22%. The study concludes that inclusion of Bt-CM produced pronounced defaunation with reduced rumen ammonia concentrations, which improved daily gain. 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Rumen enzymes activities of xyalanase, beta -glucosidase and beta -xylosidase were similar, while Bt-CM feeding reduced (p=0.010) carboxymethyl cellulase (CMCase) activity by 47% and increased proteases activity by 22%. The study concludes that inclusion of Bt-CM produced pronounced defaunation with reduced rumen ammonia concentrations, which improved daily gain. Therefore, Bt-CM can be incorporated at 180 g/kg in lamb diet.</abstract><doi>10.5897/AJB2013.13111</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record>
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subjects Arachis hypogaea
title Effect of Bt-cottonseed meal feeding on performance, fermentation, ciliates population and microbial hydrolytic enzymes in lamb
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