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. 1992 Jun:104 ( Pt 3):407-13.
doi: 10.1017/s0031182000063654.

Variation in susceptibility of inbred lines of chickens to seven species of Eimeria

N Bumstead  1 , B J Millard
Affiliations

Variation in susceptibility of inbred lines of chickens to seven species of Eimeria

N Bumstead et al. Parasitology. 1992 Jun.

Abstract

The pattern of oocyst production of 8 inbred lines of chickens was compared for each of the 7 species of Eimeria which infect this host. Both the overall numbers and the pattern of oocyst production differed in the inbred lines, but there was no evidence of prolonged cycling of schizogenic developmental stages. Comparison of the numbers of oocysts produced by the different lines indicates that there may be common genetic factors affecting susceptibility to 6 of the 7 species. Surprisingly there appears to be an inverse relationship between susceptibility to E. tenella and susceptibility to the other species: lines which produced most oocysts of E. tenella produced least oocysts of the other species and vice-versa.

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