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 activity of an organism which affects the…The study of an individual organism or a single…An organism that habours another organism is referred to as?An association between living organisms in which one…The activities of an organism which affect the…