The guts of cow and buffalo possess

The guts cow and buffalo possess:

The ratio of cows to buffaloes is 5 : 4 in a cowshed. If the total number of animals is 45, find the difference between the number of cows and buffaloes.

List some Indian breeds of cows and buffaloes.

The common and dangerous disease in cows and buffaloes is

Which is the common disease in cows and buffaloes?