... analysis of variance, using the general linear model procedure The model included the effects of the animal, the quarter, the stage of lactation (1-12 months), the bacteriological findings and the antimicrobial ... dry-off J Dairy Sci 1999, 82, 696-699 12 Omore A Epidemiology and economics of mastitis in the smallholder dairy sector of Kiambu District, Kenya pp 14- California mastitis test and risk of violative ... labile and hence the need to heat-treat the samples at >80oC as was done in this study A critical aspect in the evaluation of screening tests is the criteria of deciding upon the true status of the...