[ frequency of caseous lymphadenitis in sheep slaughtered in Shiraz abattoir]

ABSTRACT

The frequency of casesous lymphadenitis in 1000 sheep slaughtered in Shiraz abattoir was determined with respect to the sex and age of animals. No significant difference due to sex was observed. Significant increase in the level of infection with age was present. Infection rate of prescapular prefemoral and inguinal lymph nodes in different ages were less than 1 year; 0.91%, 1-2 years; 2.05% 2-3 years; 4.27% and more than 3 years; 8.28%. Also the infection rate of prescapular prefemoral and inguinal lymph nodes was 72.22% 16.67% and 11.11% respectively. None of supramammary lymph node was found infected. Corynebacterium pseudotuberculosis was isolated from 58.77% of positive samples