PREVALENCE OF POULTRY COCCIDIOSIS IN AND AROUND BAHIR DAR, ETHIOPIA.
Abstract
: A cross sectional study was conducted in and around Bahir Dar with the
objective of determining prevalence of poultry coccidiosis in local strain and white
leghorn breed chicken that are kept under free range and deep litter management systems,
respectively. Flotation technique was employed to harvest coccidial oocysts from the
sampled chicken faces. Out of a total of 400 chickens examined during the study period
248 (60.6%) were found to be positive for coccidial oocysts. According to breed
distribution out of 200 each fecal samples from white leghorn and local strain chickens
69.04 % and 51.7 % were positive, respectively. Regarding, the management system
coccidial infection was significantly higher (X2= 12.795; P=0.000) in deep litter
management system 145 (69.04%) when compare to free range management system
103(51.7%). Prevalence of coccidiosis according to different age groups indicated that
significantly higher prevalence rate of coccidiosis (X2 =28.287; P=0.000) were registered
in young chicken when compare to their older counter parts. However, significant
variation was not noticed in different sex groups of chickens (X2= 1.367; P=0.242).
Generally the present study showed that coccidiosis is an important parasitic disease in
the study area and further studies using large sample size should be undertaken so as to
get the overall picture of the disease in the area.
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