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              Open Access  
Copyright: The authors. This article is an open access 
article licensed under the terms of the Creative Commons Attribution License 
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distribution and reproduction in any medium, provided the work is properly 
cited. 
 
              
              
              Research 
(Published 
online: 19-07-2014) 
              
              
              11. Effect of thermo-tolerant yeast on intake and nutrient 
              digestibility's in Murrah buffalo steers (Bubalus bubalis) fed 
              straw based complete diet - B. Bhima, Y. Ramana Reddy, 
              M. Sudhakara Reddy, M. Pawani and L. Venkateswar RaoVeterinary World, 7(7): 501-504
   
              
   
                
                
doi: 
              10.14202/vetworld.2014.501-504 
                
              
              B. Bhima:
              
              Department of Microbiology, University College of Science, Osmania 
              University, Hyderabad - 500 007, Andhra Pradesh, India; bhima.ou@gmail.com
 
              
              Y. Ramana Reddy:
              
              Department of Animal Nutrition, College of Veterinary Science, Sri 
              Venkateshwara Veterinary University, Rajendranagar, Hyderabad - 
              500 030, Andhra Pradesh, India; ramanayr19@yahoo.co.in 
              
              M. Sudhakara Reddy:
              
              Department of Microbiology, University College of Science, Osmania 
              University, Hyderabad - 500 007, Andhra Pradesh, India; sudhabios@gmail.com 
              
              M. Pawani:
              
              Department of Animal Nutrition, College of Veterinary Science, Sri 
              Venkateshwara Veterinary University, Rajendranagar, Hyderabad - 
              500 030, Andhra Pradesh, India; pawani_mitta@yahoo.com 
              
              L. Venkateswar Rao:
              
              Department of Microbiology, University College of Science, Osmania 
              University, Hyderabad - 500 007, Andhra Pradesh, India; vrlinga@gmail.com
 Received: 27-04-2014, Revised: 10-06-2014, Accepted: 13-06-2014, 
              Published online: 19-07-2014
 
                
              
              
              Corresponding author: B. Bhima, email: bhima.ou@gmail.com, 
              Tel: +91-9494441624 
 
              Abstract 
 
              Aim: In the present study, we 
              determined the effect and optimum level of inclusion of a 
              thermo-tolerant probiotic Saccharomyces cerevisiae OBV9 on 
              nutrient intake and digestibilities in Murrah buffaloes (Bubalus 
              bubalis).Materials and Methods: A straw based complete diet (crude 
              protein (CP) 12%) with 0.1, 0.2 and 0.3% of lyophilized yeast was 
              evaluated in a 4X4 Latin Square metabolism trial in fistulated 
              Murrah buffalo steers (223.81 kg ± 2.91). Diet with no yeast was 
              taken as control.
 Results: Dry matter intake (DMI) was not significantly 
              (P>0.05) influenced by any level (%) of yeast in complete diet. 
              The digestibility's (%) of dry matter (DM) and crude fibre (CF) 
              were significantly (P<0.05) higher in 0.1% yeast supplemented diet 
              compared to control, whereas organic matter, CP, ether extract and 
              nitrogen free extract were not influenced by yeast treatments. The 
              digestibility's of neutral detergent fibre (NDF), acid detergent 
              fibre (ADF), hemicellulose, cellulose, total digestible nutrients 
              (TDN%) and metabolizable energy (ME as MJ/kg DM) were 
              significantly (P<0.05) higher in yeast supplemented diets compared 
              to control. However, among the yeast supplemented diets the values 
              were not (P>0.05) different from each other. Intake of DCP (g/d or 
              g/kg w0.75), TDN (kg/d or g/kg w0.75), ME (MJ/d or MJ/kg w0.75) 
              and N balance (g/d) were not (P>0.05) affected by the level of 
              yeast in the diet.
 Conclusion: It can be concluded that, 0.1% thermo-tolerant 
              yeast had greater influence on majority of the nutrients in the 
              straw based complete diets of Murrah buffaloes.
 Keywords: buffalo steers, complete diet, nitrogen balance, 
              nutrient digestibility, thermo-tolerant yeast.
 
 
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