wife and i have cats. they are fixed. in a conversation with true love she said "i would like to see someone make cat food with birth control in it". think on this a little longer. we feed farrow cats. people throw them out around here often. i can not take in more than i have. i will feed them. night things will kill them, and do. one day they just stop coming around. there is always another to take its place. staying alive is difficult for them without a litter to feed. so ..... know of a cat food with birth control in it?