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Logo of compmedJournal Web siteSee also archive of Canadian Journal of Comparative MedicineNow Published as Canadian Journal of Veterinary ResearchFormerly published as Canadian Journal of Comparative Medicine and Veterinary Science. 1940 to 1968.
Can J Comp Med. Jan 1970; 34(1): 20–25.
PMCID: PMC1319415

Experimental Winter Coccidiosis in Sheltered and Unsheltered Calves

Abstract

Hereford calves, seven months old, were inoculated orally with sporulated oocysts of Eimeria bovis and E. zurnii and housed in a heated building together with uninoculated animals. Duplicate groups of similarly treated animals were left unsheltered in cold winter weather. Clinical coccidiosis developed in most of the inoculated calves, sheltered and unsheltered. There was no marked difference in the severity of the infections. The sheltered uninoculated contact animals remained clinically unaffected, but mild coccidiosis developed in the unsheltered controls.

The results suggest that cold may increase the host's susceptibility to clinical coccidiosis, but may not increase the severity of the signs once the clinical infection is established.

Full text

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • FITZGERALD PR. Coccidia in Hereford calves on summer and winter ranges and infeedlots in Utah. J Parasitol. 1962 Jun;48:347–351. [PubMed]
  • HAMMOND DM, SAYIN F, MINR ML. NITROFURAZONE AS A PROPHYLACTIC AGENT AGAINST EXPERIMENTAL BOVINE COCCIDIOSIS. Am J Vet Res. 1965 Jan;26:83–89. [PubMed]
  • Levine ND, Ivens V. The sporulated oocysts of Eimeria illinoisensis n. sp. and of other species of Eimeria of the ox. J Protozool. 1967 May;14(2):351–360. [PubMed]
  • MARQUARDT WC. Subclinical infections with coccidia in cattle and their transmission to susceptible calves. J Parasitol. 1962 Apr;48:270–275. [PubMed]

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