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Online Journal of Veterinary Research©
Effect of live and cultured yeast supplements on intake, digestibility, growth
and rumen pH-metabolites in Holstein calves.
Majid Farahmand1, Saeid Karimi-Dehkordi1, Mohammad Khorvash2 and Mahdi Mirzaei3
1Department(s) of Animal Science, Faculty of Agriculture, Shahrekord University, Shahrekord, 2College of Agriculture, Isfahan University of Technology, Isfahan, 3Department of Animal Science, Faculty of Agriculture and Natural Resources, Arak University, Arak, Iran.
Farahmand M, Dehkordi SK, Khorvash M, Mirzaei M., Effect of live and cultured yeast supplements on intake, digestibility, growth, rumen pH and metabolites in Holstein calves, Onl J Vet Res., 25 (5): 370-375, 2021. We report effects of live or cultured yeasts on feed intake, growth and rumen metabolites in calves. Groups of 12 calves each were supplemented 4g/d live or cultured yeasts from 3 to 72 days age weaned at 50 days. Controls were not supplemented. Calves were monitored from 3rd to 72nd day of age for feed intake, digestibility, body weight, skeletal growth, stools, rumen pH and volatile fatty acids. We found no significant differences between controls and calves given live or cultured yeasts in any measurement.
Keywords: Calves, Live yeast, Cultured yeast, feed intake, digestibility, growth, Rumen volatile acids.