Abstract：
:The present paper reports the ability of egg-propagated gametocyte vaccine to induce protective immunity against Eimeria tenella infections in offspring chicks. For this purpose, breeding hens were immunized with adjuvanted gametocyte vaccine orally, being the best vaccine in our previous studies. Eggs collected 2 weeks after the boosting dose were allowed to hatch. Upon challenge with sporulated oocysts of E. tenella (local isolates) to 7-day-old chicks from immunized hens showed more than 70% reduction in oocyst production compared with chicks from control hens. Furthermore, no mortality was recorded in immunized chickens, while four out of five control chickens died due to coccidiosis. These results suggested that maternal immunization with egg-propagated gametocyte vaccine can control E. tenella infections in offspring chicks.
journal_name
Parasitol Resjournal_title
Parasitology researchauthors
Hafeez MA,Akhtar M,Javed MT,ul Haq Adoi
10.1007/s00436-006-0382-xsubject
Has Abstractpub_date
2007-04-01 00:00:00pages
1139-41issue
5eissn
0932-0113issn
1432-1955journal_volume
100pub_type
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