PREVENTION OF BROILER CHICK COCCIDIOSIS USING THE INACTIVATED SUBUNIT VACCINE COXABIC
作者： Tomasz Cencek , Irena Ziomko , Jacek Karamon , Aleksander Skoracki , Udi Ashash
DOI:
关键词: Animal science 、 Coccidiosis 、 Inoculation 、 Eimeria 、 Broiler chick 、 Vaccination 、 Broiler 、 Veterinary medicine 、 Coccidia 、 Biology 、 Diclazuril
摘要: The efficacy of the vaccination breeding hens in prevention coccidiosis broiler chicks hatched from eggs laid by immunized with CoxAbic ® vaccine comparison to coming non-vaccinated was examined. Breeders were vaccinated 8 and 4 weeks before beginning egg laying. level Eimeria antibodies determined using ELISA: hen sera after chick at first day age. One hundred fifty six one-day-old divided into groups: group 1- groups 2, 3, - . Chicks 1, 2 3 maintained pens on concrete floor cages wire net floor. seeder each pen inoculated oral gavage 1 d age 50 oocysts coccidia species: E. maxima, acervulina, tenella. Broilers fed diet containing diclazuril At 34 broilers challenged sporulated (300 000 acervulina,150 60 tenella per bird). Six challenge intestinal lesion scores recorded. It demonstrated that used vaccinate breeders protected their progeny against caused coccidian species. estimated significantly higher than ones. characterized lowest score challenge.
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