RESULTADOS
Anticorpos neutralizantes e, recentemente, epitopos indutores de imunidade celular tam-bém têm sido descritos (Ignjatovic & Galli, 1994; Schikora et al., 2003; Ignjatovic & Sapats, 2005). A classificação dos sorotipos é baseada na análise da subunidade S1
Com o crescimento do número de criações comerciais de codornas, é presumível que haja aumento na ocorrência de condições que promovem transtornos sanitários.
Avian infectious bronchitis virus (IBV) isolates have been widely characterized by reverse transcription followed by polymerase chain reaction and DNA sequencing. In present study, these techniques were
SUMMARY. Molecular analysis of 15 Brazilian infectious bronchitis virus (IBV) isolates, obtained from clinical outbreaks of the disease in chickens (broilers or layers) in the state of Minas Gerais (Brazil) between 1972 and 1989, is reported. Using the N
SUMMARY. This study aimed to genotype infectious bursal disease virus (IBDV) isolates from the Minas Gerais state poultry industry. RNA was extracted from bursae obtained from field cases without passage.