Serological Investigation of Newcastle Disease in Selected Districts of Buno Bedelle Zone, Ethiopia

Figures & data

Figure 1 Number of serum samples collected in each district of the study area.

Table 1 Seroprevalance of Newcastle Disease in Districts of Buno Bedele Zone

Zone	District	PA	Total No of Samples	No of Positive Samples	No of Negative Samples	Prevalence%
Buno Bedele	Didessa	Yembero	56	23	33	41.07%
		Sineso	60	22	38	36.67%
		Garado	50	13	37	26%
		Total	166	58	108	34.94%
	Chora	Schickengela	50	10	40	20%
		Aba Bora	50	12	38	24%
		Hawa Yember	44	10	34	22.72%
		Total	144	32	112	22.22%
	Gachi	Seko	67	16	51	23.88%
		Gole Maya	50	17	33	34%
		Gachi 01 Kebele	53	21	32	39.62%
		Total	170	54	116	31.76%
		480		144	336	30%

Note: X²⁼491, P-value=0.005.

Table 2 Association Between Risk Factors and ND Seropositivity

Risk Factors		No of Chickens Tested	Positive	% Positive	X^2	P-value
Sex	Male	78	17	21.8%	2.5375	0.1112
	Female	402	127	31.6%
Breed	Local	138	18	13.0%	25.397	4.666e-07
	Cross	342	126	36.8%
Age	Young	80	25	31.2%	1.9268	0.3816
	Adult	347	99	28.5%
	Old	53	20	37.7%

Table 3 Logistic Regression Analysis of ND Seropositivity with Various Risk Factors

Variables	Level of Variables	OR	CI	P-value
Sex	Female vs Male	0.607	0.330–1.117	0.1112
Breed	Cross vs local	0.251	0.145–0.433	4.666e-07
Age	Young, Adult vs Old	0.939	0.740–1.192	0.3816

Abbreviations: OR, odds ratio; CI, confidence interval.