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Effect of lucerne fodder (first cut) supplementation on in vitro methane production, fermentation pattern and protozoal counts

Indian Agricultural Research Journals

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Title Effect of lucerne fodder (first cut) supplementation on in vitro methane production, fermentation pattern and protozoal counts
 
Creator MALIK, P K
SINGHAL, K K
DESHPANDE, S B
 
Subject Fermentability; Kinetics of gas; Lucerne; Methane production
 
Description The study was carried out to ascertain the effect of various levels of lucerne fodder (first cut) supplementation at 0 (T0), 15 (T1), 30 (T2) and 45 (T3) % to wheat straw and concentrate based diet on in vitro methane production, IVDMD, TVFA, molar proportion of VFA,s and protozoal counts. The roughage to concentrate ratio was maintained as 60: 40 irrespective of the diet. Highest total gas production was recorded in treatment T3 followed by T2 and T1, however, the lowest cumulative total gas production was recorded in control treatment (T0). Cumulative gas production in treatment T3 was significantly higher than that recorded in T0. Total gas production from slowly fermentable fraction ‘b’ ranged between 118.80 (T0) and 139.70 (T3) litre/kg, DM in different treatments. The reduction in methane production was 15 and 18% in treatment T2 and T3, respectively. The DMD in treatments T2 and T3 was significantly higher than that recorded in treatment T0. Total volatile fatty acid (TVFA) recorded as 105.58 and 107.93 Mm/litre in treatment T2 and T3, was significantly higher than that recorded in control treatment (101.43 Mm/litre). The acetate proportion was significantly lower in treatment T3 as compared to the control and reverse trend was observed for the propionate production. Protozoal numbers (log cfu/ml) decreased significantly by the supplementation of first cut lucerne fodder at 30 and 45% level. Saponins containing feed may serve the purpose of methane mitigation from ruminants without giving any additional input as the farmers grow leguminous fodder traditionally. Thus, there is urgent need to explore the new feed resources containing saponin and fix the safe level of their inclusion in ration for achieving the goal.
 
Publisher Directorate of Knowledge Management in Agriculture
 
Contributor ICAR
 
Date 2010-10-18
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/1513
 
Source The Indian Journal of Animal Sciences; Vol 80, No 10 (2010)
0367-8318
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/1513/454
 
Rights Copyright (c) 2014 The Indian Journal of Animal Sciences