Date of Award:
5-1-1960
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
Eldon J. Gardner
Committee
Clyde Biddulph
Committee
Merthyr L. Miner
Abstract
Parasitism as an advers factor in the production of marketable livestock has long been a matter of considerable interest. Two of the most common internal parasites of cattle in the United States are Haemonchus placei (large stomach worm or wire worm) and Ostertagia ostertagi (medium stomach worm). The symptoms produced by these parasitic roundworms are marked anemia, unthriftiness, edema and general emaciation of the host animal. As in many other parasitic diseases the losses incurred are of the type which are hard to evaluate, but recent estimates relative to losses due to parasitism in cattle and sheep in the United States indicate an annual loss of approximately $55,000,000 (1). Haemonchosis and ostertagiasis can well be considered as major contributing factors to this astounding sum.
Recommended Citation
Andersen, Ferron L., "Serum Protein Changes in Calves Experimentally Infected With Haemonchus placei and Ostertagia ostertagi" (1960). Biology. 185.
https://digitalcommons.usu.edu/etd_biology/185
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