作者: Jane K.A. Cook
DOI: 10.1016/S0034-5288(18)34300-5
关键词: Neutralizing antibody 、 Precipitin 、 Virus 、 Flock 、 Biology 、 Neutralization 、 Antibody 、 Orphan virus 、 Fowl 、 Virology
摘要: Sera from 30 flocks of adult fowls and 7 growers were examined for precipitins neutralizing antibody to CELO virus. The number with at least 25% the sample positive by agar gel precipitin test neutralization was 25/30 (83.3%) 24/30 (80.0%) respectively. incidence lower in younger chickens, while maintained under conditions strict hygiene completely negative. Sixty (26.5%) 226 sera containing antibody, had titres > 1: 625.