Effect of Brucella Infection on Reproduction Conditions of Female Breeding Cattle and Its Public Health Significance in Western Tigray, Northern Ethiopia

Table 4

Univariable logistic-regression (LR) analyses of reproductive performance parameter (calving interval in months) with dependent Brucella seropositivity in female cattle in Western Tigray, North West Ethiopia. OR:odds ration, CI:confidence interval, October 2007 to February 2008.

Calving interval	CFT result		𝑃-value	OR	95% CI of OR
	Cattle tested (𝑛)	Prevalence (%)			Lower	Upper
<15 months	49	10.2
≥15 months	61	36.1	0.002	4.964	1.716	14.363