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Studies on the Morphology and Life History of Eimeria Vion N. SP. A Coccidium of the Mink

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Title: Studies on the Morphology and Life History of Eimeria Vion N. SP. A Coccidium of the Mink
Author: Kingscote, A.A.
Abstract: The incentive for this study has been the almost entire lack of definite knowledge concerning the Coccidia of the mink, their pathogenicity and life histories.The study on the morphology and development of Eimeria vison has been made with the hope that it will be a contribution of practical value upon whioh to base the intelligent diagnosis and control of at least one form of enteric coccidiosis. Eimeria vison is the cause of sporadic or more frequently enzootic outbreaks of coccidiosis in mink during the summer and fall. Young mink under one year of age are most susceptible to infection. Overcrowding and prolonged housing, especially in small pens, may result in continuous and often fatal infection. The disease develops following the ingestion of sporulated oöcysts. Multiplication of this protozoan within the intestine results in an extensive destruction of epithelial cells. During the early stages of infection the animals are hypersensitive to noise and unusual movements in their environment. As the disease progresses haemorrhagic diarrhea, anaemia, progressive emaciation and paralysis of the hind limbs are the most constant symptoms. The disease runs a course of from four to eight weeks. Complete recovery is rare among animals which are acutely infected. Those which do survive are of little value to the fur farmer either for breeding stock or for their pelts.
Description: Thesis for the Degree of D.V. SC. 1934
URI: http://hdl.handle.net/10214/4884
Date: 1934
Rights: This work may be protected by copyright laws and is provided for educational and research purposes only. If you believe you are the rights holder and object to the University of Guelph's use of this document, please contact libair@uoguelph.ca.


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