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Assessment of in vitro gas and methane production of diet fortified with yeast and lactobacilli spp

The effect of dietary fortification of two levels of bakers yeast and yeast plus Lactobacilli against negative control and positive control (antibiotic) was assessed on in vitro gas production (IVGP) kinetics and methane production at 24 hours incubation. A concentrate diet was formulated and fortif...

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Published: 2016-06
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LEADER 00000njm a2000000a 4500
001 oai:repository.ui.edu.ng:123456789/5593
042 |a dc 
720 |a Ososanya, T. O.  |e author 
720 |a Inyang, U. A.  |e author 
260 |c 2016-06 
520 |a The effect of dietary fortification of two levels of bakers yeast and yeast plus Lactobacilli against negative control and positive control (antibiotic) was assessed on in vitro gas production (IVGP) kinetics and methane production at 24 hours incubation. A concentrate diet was formulated and fortified with six levels consisting: control (D1); antibiotic (D2); 2.5 g bakers yeast (D3); 5.0 g bakers yeast (D4); 2.5 g yeast plus Lactobacilli (D5) and 5.0 g yeast plus Lactobacilli (D6) and mixed with Panicum maximum to serve as the substrate in a completely randomized design. The parameters tested were IVGP, organic matter digestibility (OMD), metabolizable energy (ME), short chain fatty acids (SCFA), methane gas, degradability, partitioning factor and microbial biomass. Higher (P0.05) IVGP volumes, in vitro organic matter degradability, metabolizable energy (ME) and short chain fatty acid (SCFA) were recorded for diets D3 to D6 and D1 over D2, whereas the difference amongst D3 to D6 and D1 was not significant (P>0.05). Highest IVGP was recorded for D6 (16.33 ml) and the lowest (4.33 ml) in D2. Gas production from the soluble fraction (a), rate of constant of gas production (c) and time (t) were not significantly different (p > 0.05) while the gas production from the insoluble fraction (b), potential extent of gas production (a + b) differed significantly (p < 0.05). For methane gas, D3 recorded the highest (5.00 ml / 200 mg DM) and D2 had the lowest (1.67 ml / 200 mg DM). All other fortifications were higher in methane gas than control. The present study demonstrated the potential of probiotics especially when mixed at 5 g level in improving degradation. 
024 8 |a 2231-0843 
024 8 |a ui_art_ososanya_assessment_2016 
024 8 |a British Journal of Applied Science and Technology 16(4), pp. 1-8 
024 8 |a http://ir.library.ui.edu.ng/handle/123456789/5593 
653 |a Probiotics 
653 |a In vitro gas production 
653 |a Methane 
653 |a Yeast 
653 |a Lactobacilli 
245 0 0 |a Assessment of in vitro gas and methane production of diet fortified with yeast and lactobacilli spp