Date of Award:

5-1-1958

Document Type:

Thesis

Degree Name:

Master of Science (MS)

Department:

Biology

Department name when degree awarded

Zoology

Committee Chair(s)

Datus M. Hammond

Committee

Datus M. Hammond

Committee

Merthyr L. Miner

Committee

Arland Olsen

Abstract

Coccidiosis has been listed as the third most important parasitic disease in cattle (13). Foster in 1949 estimated that this disease is responsible for an annual loss of ten million dollars in the cattle industry and he believed that the economic loss is at least as great as that caused by coccidiosis in poultry (17). Bovine coccidiosis kills many calves before they are six months old. Only rarely are cattle found free of coccidia (26). According to Gibbons and Baker (18) the mortality has been estimated as high as 29.3 percent in several outbreaks of bovine coccidiosis.

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