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pro vyhledávání: '"Abdel Hakim M. Ali"'
Publikováno v:
Benha Veterinary Medical Journal. 29:11-16
The immune response of turkeys to live attenuated vaccine for avian pathogenic Escherichia coli(APEC) constructed from O78 strain was evaluated, where ninety-one-day old turkeys were vaccinatedtwice with 3 weeks intervals. Other thirty turkeys were k