Effect of broiler chicken age on susceptibility to experimentally induced Cryptosporidium baileyi infection.

@article{Lindsay1988EffectOB,
  title={Effect of broiler chicken age on susceptibility to experimentally induced Cryptosporidium baileyi infection.},
  author={David S. Lindsay and Byron L. Blagburn and Christine A. Sundermann and Joseph J. Giambrone},
  journal={American journal of veterinary research},
  year={1988},
  volume={49 8},
  pages={1412-4}
}
Clinical signs of respiratory tract disease were observed in chickens that were inoculated intratracheally with 1 x 10(6) oocysts of Cryptosporidium baileyi at 2 or 14 days of age (10 chickens/group), but not in chickens inoculated at 28 or 42 days of age (10 chickens/group). Orally inoculated chickens in all age groups (10 chickens/group) did not develop clinical signs of disease. Orally and intratracheally inoculated chickens in all age groups were infected, as determined by the finding of… CONTINUE READING