| Abstract: |
One hundred and thirty two, day-old hubbard broilerchicks were divided into 9 groups. All chicks were vaccinatedwith Hitchner B1 ND vaccine via eye instillation at one dayold. Chicks of groups 1 and 2 fed ration containing 30 ppbaflatoxin and 10 ppb ochratoxin, chicks of , groups 3,4 and 7were fed ratio~ containing 30 ppb aflatoxin, chicks of groups5,6 and 8 were fed ration containing 10 ppb ochratoxin.Meanwhile, chicks of group 9 remained as negative control.. At 15 days-old. chicks of groups 1 .• :J ~ni2 .5 we~ tre~tedWTt’1F 8ntrmycvtoxin Yj:f”’’’’’wf1ffe, chicks or groups Z, 4 and 6 weretreated with antimycotoxin ”B” and chicks of groups 7 and 8remained without treatment as positive control to theexperiment. Clinical symptoms and postmortem lesions of allgroups were observed. Body weight, lymphoid organs weight,whole blood sampling with and without anticoagulant werecarrid out for both haematology and serology. Bone marrowsmears and histopathological specimens from different organswere carried out at 1,7, 14,21 and 28 days old.-Clinical signs were recorded on experimentally intoxicatedchicks after 7 days and during the 2nd week of age asweakness, emaciation, ruffling feathers, diarrhea, decreasein body weight, loss of appetite.
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