The migration of Eimeria acervulina sporozoites to the duodenal glands of Lieberkühn.
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Biomedical subjects
D J Doran
Publications and source records attributed to D J Doran.
Schizogony and gametogony in the life cycle of the poultry coccidium, Eimeria acervulina Tyzzer, 1929.
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The influence of NCTC 109, serum, and swine kidney cell cultures on the morphogenesis of Stephanurus dentatus to fourth stage, in vitro.
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Susceptibility of 1- and 3-day-old chikks to infection with the coccidium, Eimeria acervulina.
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Effect of aging on survival and pathogenicity of Eimeria acervulina and Eimeria acervulina and Eimeria tenella.
After 6 to 8 months of storage, cultures of sporulated Eimeria acervulina and E. tenella oocysts ahd a marked drop in the number of sporocysts that survived grinding, sporozoites that survived after excystation, and sporozoites that penetrated chick kidney cells in vitro. The rate of excystation was unaffected by storage of up to one year. In vivo pathogenicity, based on weight gain, lesion score, and plasma pigment, declined after 5 months of oocyst storage. The reduction in pathogenicity in vivo could be compensated for by adjusting the inoculation dosage to reflect the loss of infectivity seen in the in vitro test.
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