Thesiss

Turkey poults were used to study the pathogenicity, antigenicity, and transmissibility of an American avian pneumovirus (APV). The poults were inoculated with APV alone or in combination with Bordetella avium. In the dually infected group, there were more sever clinical signs, t…

The Pathogenicity of TAstV1987 and TAstV2001 isolates was investigated. Both isolates caused gastroenteritis and growth depression in specific pathogen free (SPF) turkey embryos and poults. TAstV1987 infection resulted in microscopic lesions of infected bursas of embryos and pou…

Acute and chronic lesions of fowl cholera were identified and described after oral or intramuscular challenge with virulent or vaccine strains of Pasteurella multocida in 11 or 6-week-old turkeys that had been previously vaccinated with a bacterin administered subcutaneously or …