Abstract
Investigations of acquired immunity to Fasciola hepatica in calves, sheep and rabbits are described. With injections of extracts of imma- ture parasites retarded growth of the challenge infection was observed between the 6th and 7th week. Following a previous experience of a natural infection or viable fluke implants, retardation and reduced take of the challenge infection were observed. Considerable individual variation was present and the level of significance between treatment and control groups was low.
Publisher
Cambridge University Press (CUP)
Subject
Animal Science and Zoology,General Medicine,Parasitology
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