To put it more bluntly, the obvious difference is that cats and dogs can lick their private parts. Cows and horses can't perform the same level of personal hygi

To put it more bluntly, the obvious difference is that cats and dogs can lick their private parts. Cows and horses can't perform the same level of personal hygiene while also providing more surface area for insects to invade. I wonder whether this is not really more about infestations than bites.