Study on Factors Affecting Estrus Synchronization in Smallholder Dairy Farming Systems of Tigray, Northern Ethiopia

Table 6

Association of conception rate, extension service, and education level with different factors in the study area.

Variables	X^2	value
Conception rate
Breed	24.35	0.05
Breeding system	0.26	0.611
Farm type	0.81	0.668
Management system	42.54	0.001
Feed type	20.59	0.001
Feeding frequency	1.69	0.193
Number of AI services	4.71	0.194
Experience in AI use	14.70	0.001
Extension service
District	0.86	0.649
Management system	0.74	0.692
Breeding system	0.04	0.841
AI frequency	1.21	0.751
Crossbreed animal origin	18.78	0.001
Education level
Breeding system	2.25	0.521
Management system	8.10	0.231
Concept of synchronization	1.37	0.714
Concept of AI	3.86	0.277
Animals conceived after service	2.22	0.527
Experience in AI use	6.26	0.395