Figure 3From: Reducing microbial ureolytic activity in the rumen by immunization against urease thereinTiters of IgG (A and C) and IgA (B and D) in the serum (A and B) and the saliva (C and D) of cows. Arrow indicates days of vaccinations. Values are means (n = 4), with error bars representing standard deviation. The asterisks (*) indicate significant (P < 0.05) difference between the control group and the vaccinated group at the same days.Back to article page