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  • Title: Susceptibility to Eimeria tenella of chickens and chicken embryos of partly inbred lines possessing homozygous major histocompatibility complex haplotypes.
    Author: Nakai Y, Edamura K, Kanazawa K, Shimizu S, Hirota Y, Ogimoto K.
    Journal: Avian Dis; 1993; 37(4):1113-6. PubMed ID: 8141741.
    Abstract:
    Susceptibility to Eimeria tenella infection of chicken embryos and chickens of partly inbred lines possessing different major histocompatibility complex haplotypes was investigated. Chicken embryos of line H-B2 possessing B2 homozygous haplotype showed lower mortality and higher oocyst production than embryos of line H-B15 possessing B15 homozygous haplotype. Embryos of line H-B2 chickens were considered more resistant to E. tenella infection than those of line H-B15. Seven days after 10-day-old chickens were infected with E. tenella, the two lines showed no significant differences in percent bodyweight gain, cecal lesion score, and oocyst production; they differed significantly only in cecal shrinkage. Results suggest that the B system affects chicken embryos and chickens differently in susceptibility to E. tenella infection.
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