Eimeria maxima: characteristics of attenuated lines obtained by selection for precocious development in the chicken.

@article{McDonald1986EimeriaMC,
  title={Eimeria maxima: characteristics of attenuated lines obtained by selection for precocious development in the chicken.},
  author={Vincent McDonald and Martin W. Shirley and M A Bellatti},
  journal={Experimental parasitology},
  year={1986},
  volume={61 2},
  pages={192-200}
}
Both the Weybridge strain and a mixture of six laboratory and field strains of Eimeria maxima have been attenuated by selection for early maturation of oocysts during serial passage in chickens. The prepatent times of the resultant precocious lines produces after selection were reduced from approximately 120 hr to less than 107 hr, and their reproduction and pathogenicity were less than those of the parent strains. Chickens which had been inoculated with a small number of oocysts of the… CONTINUE READING

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