Risk Factors for the Efficiency of Artificial Insemination in Dairy Cows and Economic Impact of Failure of First Service Insemination in and around Haramaya Town, Oromia Region, Eastern Ethiopia

Table 1

Efficiency of AI related to different factors.

Variables		Frequency	Pregnant (%)	Chi-square	value
Age in years	≤3	19	11 (57.9)	3.52	0.318
	>3–6	117	75 (64.1)
	>6–9	60	36 (60.0)
	>9	25	11 (44.0)
Breed of cows	Local	127	68 (53.5)	5.50	0.0.019
	Cross	94	65 (69.1)
	Overall	221	133 (60.2)
Insemination time	≤6 h	125	84 (67.2)	6.09	0.049
	>6–11 h	89	45 (50.6)
	>11 h	7	4 (57.1)
Parity	Primiparous	94	58 (61.7)	0.12	0.691
	Multiparous	127	75 (59.1)
BCS	Medium	125	69 (55.2)	2.98	0.084
	Moderate	96	64 (66.7)
Inseminator experience	<5 years of experience	101	61 (60.4)	1.02	0.602
	5–8 years of experience	76	43 (56.6)
	>8 years of experience	44	29 (65.9)
Overall	Overall	221	133 (60.2)