Date of Award:

5-1-1950

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

M. L. Miner

Abstract

Coccidiosis is one of the most common and most serious infectious diseases of poultry. It is a widely studied disease and a vast amount of information has been accumulated, but its vicious attacks on poultry flocks have not been eliminated. Cecal coccidiosis, caused by the parasite Eimeria tenella, is of extreme importance in young chicks. It is considered responsible for the loss of about ten per cent of all chicks hatched in the United States (1); the economic loss in poultry from all species of coccidia is estimated to amount to about 10 million dollars annually (2). In areas such as Utah, where the production of poultry and poultry products is one of the major agricultural industries, this economic loss is of great importance.

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