A) About cows: 1. What are the five most common pathologies of cows? - Mastitis: this pathology consist in inflammation in the udders because of bacteria called “Streptococcus”. This cause pain in the udders and pus in the milk. - Babesiosis: is a febrile sickness transmitted by tick and caused by parasite protozoan, this illness can produce anemia, icteria and dead. -Tuberculosis: this is a zoonotic disease (transmissible to the human ) and affect the respiratory system. This pathology is the main in the drop of the meat production. -foot and mouth diseases (fiebre aftosa): is a viral illness, this produce fever and appearance of vesicles in the mouth and hoofs. - Clostridiosis: this pathology is caused by microorganism called Clostridium who live in the bacterial flora (this microorganism produce toxins). 2. cow's digestive system: 1. ...