Abstract:
This study aimed to determine the prevalence and risk factor and to
assess the occurrence of chicken anaemia virus (CAV) in Khartoum state.
Sudan. A total of 450 serum samples were collected randomly from
commercial chickens’ farms in different areas in Khartoum State (210 layers
and 240 broilers). The samples were tested by indirect ELISA commercial
kit. Out of 210 serum samples 201 from layers, were found positive for
chicken anaemia virus (95.7%). In broiler flocks, 129 were found positive and
the prevalence rate was 53.8%. The estimated overall sero-prevalence rate of
CAV was found to be 73.3%. In the univariate analysis using the Chi square
test for risk factors , governorate and locality, (type of production, poultry
population, husbandry system, body condition ,source of poultry, floor type,
vaccination, breeds and age ), (p-value ≤ 0.05), were found to be significant
risk factors. The risk factors found to be significantly associated with
increased odds of being ELISA positive in the multivariate analysis were
governorate, type of production, poultry population, husbandry system,
source of poultry and vaccination (p-value ≤ 0.05)were significant risk
factors. While the factors found not significantly associated with increased
odds of being ELISA positive were , ages, floor type and poultry
population(p-value > 0.05). Investigation results suggest that CAVD has wide
spread in Khartoum State. In conclusion, the disease is highly prevalent in
Khartoum State, Sudan. Urgent need therefore exists to initiate a realistic
network for surveillance, control and eradication of this important viral
poultry disease in the Sudan.
