Establishment of rumen ciliate protozoa in cow and water buffalo (Bosbubalus L.) calves under late and early weaning systems

Naga, M.A.; Abou Akkada, A.R.; el-Shazly, K.

Journal of Dairy Science 52(1): 110-112


ISSN/ISBN: 0022-0302
PMID: 5812500
DOI: 10.3168/jds.s0022-0302(69)86510-0
Accession: 043033030

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Active ciliate protozoa were found in the rumen of buffalo calves earlier than in those of cattle calves. Early weaning promoted earlier establishment of ciliate protozoa, especially in cattle calves. Entodinium was consistently the first genus to appear in the rumen of buffalo calves and both Isotricha and Entodinium were established at about the same time in cattle calves. In late-weaned cattle calves Isotricha appeared earlier than Eudiplodinium, later in early - and late-weaned buffaloes and simultaneously in early-weaned cattle calves. Isotricha appeared earlier than Dasytricha in cattle and later in buffaloes. Ostracodinium was more frequently present in cattle and Eudiplodinium in buffaloes. Cross-inoculations among buffaloes, cattle and sheep showed that Ophryoscolex and Polyplastron from sheep failed to survive in adult or young cattle and buffaloes. Epidinium was not observed in rumen contents of sheep, cattle or buffaloes in Egyptian conditions. V. J.