| characteristics of three stains of avian adenoviruses isolated in queensland. i. biological properties. | three strains of avian adenovirus were isolated and studied in cell cultures, chicken embryos, and chickens. one strain (adam-1) was isolated from the bursa of fabricius of a chicken with marek's disease, and the others (adam-2 and adam-3) from one-day-old chicks with respiratory signs. experimentally, adam-1 produced no clinical signs or lesions except atrophy of the bursa of fabricius. adam-2 caused mild respiratory signs in young chickens when inoculated intratracheally. the behavior of the t ... | 1975 | 164177 |