Experimental Ostertagia infection of sheep: pathology following a single high dose of larvae

Experimental Ostertagia infection of sheep: pathology following a single high dose of larvae
Peer reviewed

Abstract

One of the authors (Elliott, 1974) noted that two sheep developed severe inappetance and listlessness five days after dosing with infective Ostertagia larvae, at rates of 1 x 105 and 1.4 x 106, respectively. The higher dosed animal died 10 days after dosing, showing at autopsy a severe abomasitis, while the other sheep recovered. Death of a sheep following a single high dose of Ostertagia larvae had not aparently been previously reported. The present small experiment was undertaken in an attempt to repeat this effect, and to study the resulting lesions.

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