Seroprevalence of Bluetongue Virus in Dairy Herds with Reproductive Problems in Sudan

Table 3

Influence of some risk factors on seroprevalence of bluetongue virus (BTV) in Sudan.

Factor	Group	Number of; tested animals	Number of positive animals (%)	𝑃 value
Breed	Local	47	36 (76.5)	>0.05
	Cross	737	627 (85.07)
Sex	Female	673	586 (87.07)	0.000
	Male	111	77 (69.3)
Season	Winter	141	98 (69.5)	0.000
	Dry	169	124 (73.3)
	Rainy	474	441 (93.3)
Age	Less than 1 year	143	94 (65)	0.000
	1-2 years	158	141 (89.2)
	Above 2 years	483	428 (88.6)