Prevalence of Subclinical Mastitis and Distribution of Pathogens in Dairy Farms of Rubavu and Nyabihu Districts, Rwanda

Table 3

Subclinical mastitis prevalence in relation to production system.

Area (district)	Production system	Number of tested cows	Number of CMT mastitis positive	Number of CMT mastitis negative	% mastitis positive	value
Rubavu	Intensive	61	38	23	61.3	0.087
Nyabihu	Extensive	62	24	38	38.7
Total		123	62	61
Overall prevalence					50.4%