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Title: Effect of the Fermented Total Mixed Ration on In- Vitro Gas Production and Digestibility in Cattle
Authors: Ahammed, Md. Bashir
Keywords: Fermented total mixed ration (FTMR), Total mixed ration (TMR), in vitro fermentation, Organic matter digestibility, Molasses-yeast.
Issue Date: Jun-2020
Publisher: Chattogram Veterinary and Animal Sciences University Chattogram-4225, Bangladesh
Abstract: In this study, Experiments were conducted to evaluate the fermented total mixed ration (FTMR) and total mixed ration (TMR) by rumen in in vitro fermentation technique and their effects on methane emission and digestibility measurement. Ruminal samples were collected from ruminal digesta and grind TMR feed used as a substrate. There were four diets, one was without molasses-yeast mixture (control), another was in addition of molasses at 0.1% inclusion rate (T1) and the other two was in addition of molasses-yeast mixture at 0.1% (T2) and 0.3% (T3) inclusion rate. The present study indicated that there was significant (p<0.05) difference in pH among different treatment groups and decreasing pattern of gas production in treatment group than control group. In this study lowest total gas produced in T3 (33.8 ml) group than C (40.4ml) group and CH4 production considerably lowest in fermented group (26.2 ml in T2 and 27.6 ml T3) than C (31.6 ml) at 24 h of incubation period. The in vitro organic matter digestibility (IVOMD) was tended to higher in T3 (92.93%) diet than C (91.66) at 72 h intervals. It can be concluded from the present study that the FTMR at 0.3% (T3) inclusion rate has better methane reducing capacity and higher digestibility than TMR.
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