Which diseases are contrasted in this chart? ? ?
Caused by bacteria parasite
Symptoms premature birth or abortion diarrhea/bloody stool, weight loss, weakness, dry/soiled coat, loss of appetite
System affected reproductive digestive
Age fertile cows young calves

bloat and external parasites

brucellosis and coccidiosis

colibacillosis and erysipelas

mycoplasmosis and avian pox

Two technicians are discussing oil changes. technician a says that waste oil and old filters need to be disposed of according to the law. technician b says that old filters can be returned to the parts department for a core value. which technician is correct?           a. technician a only   b. both technicians a and b   c. technician b only   d. neither technician a nor b