2.- Tuberculosis: is a chronic disease of animals caused by a bacteria called Mycobacterium bovis, (M.bovis), causing a general state of illness, coughing and eventual death.
3.- Foot and mouth disease: is a severe, highly contagious viral disease caused by a different virus. Animals with FMD typically have a fever and blisters on the tongue and lips, in and around the mouth, on the mammary glands, and around the hooves.
4.- Clostridium: clostridial organisms are, for the most part, normal flora of cattle and only become problematic with dietary stress, injury, changes in management, parasitism or other unusual circumstances that set up a favorable growth environment and result in production of potent toxins. Clostridial diseases carry a very poor prognosis and the first sign of illness may be death.
5.- Leptospirosis: bacterial illness that produce abortion, premature birth and birth of weak calfs.
B) 1.- https://www.livescience.com/50714-horse-facts.html -->
I choose this page, because all the
information that have is very complete, from the most global features to the
more specific dates, for example the topic of since, habitat, habits, diet and inclusive
the taxonomy. I found very interesting in special the fact that the horses have
four speeds called gaits.











