Early weaning in cow and water buffalo calves II. Rumen microbial activities in growing buffalo calves

E.S.azly, K.; Khoury, F.K.; Ahmed, I.A.

Journal of Dairy Science 50(10): 1667-1670


ISSN/ISBN: 0022-0302
Accession: 024522409

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Attempts were made to find criteria for increased rumen microbial development in early weaned calves. Total volatile fatty acid (VFA) concentrations in the rumen liquor obtained from buffalo calves before the morning feeding (representing the fasting level) or at 2-3 hr. after feeding (representing the peak of acid production) were examined as a possible criterion. The concentration of VFA increased with age up to 30 days and remained more or less constant thereafter. Bosphoroplus (a microbial growth stimulant) stimulated VFA production in the early weaned calves. Lactic acid concentrations and free bacterial counts were variable. Cellulose digestion in vitro indicated a highly active cellulolytic population after the 2nd week of age.