They do...especially science diet....thats why its in all there offices..they get a percentage off what they sale. I once was told by the vet i used to go to signed a contract to sell their food and he got a commission off it but science diet also helped pay some of their vet school student loans by doing that!
..Science diet is not good nor is eukanuba i have found. I personally give my dogs Natural choice lamb and rice...Mason Loves it..
and he does swoo well on it!
Kristy and Mason