The causal organism of mastitis in cattle is? by Sunday | Jul 5 | Agricultural Science WAEC | 0 comments A. fungus B. bacterium C. virus D. protozoan E. worm Correct Answer: Option B – bacterium Users Also Read These:The activities of an organism which affect the…The causal organism of damping-oil disease of okra is a?Mastitis is a disease which affects the?The study of an individual organism or a single…Rinderpest in cattle is caused by a?