Background: Live yeast Saccharomyces cerevisiae has been used for a long time in ruminant feed as a probiotic supply on the intensifying system to avoid acidosis.
Objectives: This study investigated the effects of addition of live yeast S. cerevisiae in calf feed on growth, rumen pH and in vitro digestibility.
Methods: Sixteen Holstein calves were divided into two homogeneous groups corresponding to body weight. The ration comprises wheat straw 5 kg dry matter (DM)/calf/day and 8 kg DM/calf/day concentrate for the control group C and for the group LY. Each calf of the live yeast group LY gets more than C group, 28 g/calf/day of live yeast S. cerevisiae powder on the concentrate.
Results: This supplementation improves significantly (p < 0.003) the mean daily gain during the trial (ADG) with 400 g/calf. A notable increase (p < 0.004) was seen in final body weight gain (FWG) with 39.1 kg/calf. The live yeast supplementation decreases the feed intake and significantly (p < 0.05) the feed conversion rate (FCR) average. The live yeast S. cerevisiae as probiotic supply in ruminant feed improves the growth performance and feed efficiency in fattening calves.
Conclusions: In conclusion, we mentioned that live yeast supply induces a considerable advance in growth performance for calves.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8788960 | PMC |
| http://dx.doi.org/10.1002/vms3.631 | DOI Listing |
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