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Fascioloides magna in White-Tailed Deer (Odocoileus virginianus): Observations on the Pairing Tendency

W. J. Foreyt, W. M. Samuel and A. C. Todd
The Journal of Parasitology
Vol. 63, No. 6 (Dec., 1977), pp. 1050-1052
DOI: 10.2307/3279843
Stable URL: http://www.jstor.org/stable/3279843
Page Count: 3
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Fascioloides magna in White-Tailed Deer (Odocoileus virginianus): Observations on the Pairing Tendency
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Abstract

Fascioloides magna (Bassi 1875) was recovered from 227 of 312 (73%) white-tailed deer (Odocoileus virginianus) in southern Texas between 1971 and 1975. Deer from age classes more than 1 year old had infection rates of from 64 to 84%. Few dead flukes were found. Flukes occurred exclusively in the livers of infected animals and were paired in 256 of 301 (85%) fibrous hepatic capsules. The prevalence of immature flukes with an average of one immature per infected liver was similar in all age classes, suggesting a relationship between fluke pairing and maturation.

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