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Animal Nutrition and Feed Technology
Year : 2015, Volume : 15, Issue : 1
First page : ( 145) Last page : ( 153)
Print ISSN : 0972-2963. Online ISSN : 0974-181X.
Article DOI : 10.5958/0974-181X.2015.00016.5

Effect of Yeast (Saccharomyces cerevisiae) Supplementation on Ruminal Digestion of Bajra (Pennisetum glaucum) Straw and Bajra Straw-based Complete Feed In Vitro

Ganai A.M.*,**, Sharma T., Dhuria R.K.

Department of Animal Nutrition, College of Veterinary and Animal Science Rajasthan University of Veterinary and Animal Sciences, Bikaner-334 001, India

*Corresponding author: ganaimajeed@gmail.com

**Present address: Division of Animal Nutrition, Faculty of Veterinary Science & Animal Husbandry, Sher-e-Kashmir University of Agricultural Science & Technology, Srinagar-190 006, India

Online published on 23 April, 2015.

Abstract

An experiment was conducted to evaluate the effects of yeast (Saccharomyces cerevisae) supplemented to bajra straw at dose level of 0, 106, 107, 108 and 109 colony forming units (cfu) per gram dry matter on digestibility of DM, OM and NDF as well as total gas production (TGP) using goat rumen liquor. There was significant (P<0.01) improvement in nutrient digestibility of DM, OM and NDF in bajra straw and TGP production showing maximum values at supplementation of yeast at the dose rate of 108 cfu/g of DM. Second in vitro trial was performed to evaluate the effects of optimum level of yeast (108 cfu/g) on rumen fermentation characteristics in complete feed containing bajra straw 60 parts and concentrate mixture 40 parts. A significant (P<0.01) improvement in digestibility of DM, OM, NDF, TGP was observed on supplementation of yeast. Addition of yeast did not change pH of rumen liquor, however, there was increase in total nitrogen (P<0.05) and TVFA (P<0.01) and decrease in ammonia nitrogen (P<0.05) in in vitro rumen fluid compared to control.

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Keywords

Bajra straw, Complete feed, In vitro digestibility, Rumen fermentation, Saccharomyces Yeast.

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