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  • Title: [Occurrence and species of Coccidia in the district of Velikot'rnovski].
    Author: Kiurtov N.
    Journal: Vet Med Nauki; 1975; 12(8):60-6. PubMed ID: 1189280.
    Abstract:
    The study of a total of 1444 fecal samples from calves aged 20 to 90 days and 8 cadavers of coccidiosis-affected calves on 50 dairy farms on the territory of the district revealed coccidiosis on 46 of the farms (92 per cent) and stationary coccidiosis on 13 of them (26 per cent). The percentage of the animals involved on the farms where the disease was stationary was from 50 to 80, and on individual farms it reached up to 100. The parasite burden with the calves showing the acute form of coccidiosis accounted for 20,000 to 32,000 oocysts; calves showing chronical course had 5,000 to 15,000, and the clinically normal calves in the stationary foci had up to 1,000 oocysts per gram of fecal mass. Eight species of coccidia, unknown so far to this country, are described: E. elipsoidalis, E. cilindrika, E. alabamensis, E. auburnensis, E. canadensis, E. Wyomingensis, E. subspherika, and Isospora. The localization of most of these species was determined.
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