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Eimeria spp. are the causative agents of coccidiosis, a major disease affecting the poultry industry. A recombinant non-antibiotic Escherichia coli that expresses the Eimeria tenella SO7 gene was constructed and its protective efficacy against homologous infection in chickens was determined. The three-day-old chickens were orally immunized with the recombinant non-antibiotic SO7 gene expressing E...
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