Depends on which system your in. In the Mahayana system, the precepts have an animal liberation theme, i.e. not using animals for anything.
In the Upasaka precepts.
(15) If an upāsaka who has accepted this precept raises cats or
foxes, he has committed the sin of negligence. ...
(16) If an upāsaka who has accepted this precept raises animals,
such as elephants, horses, cows, goats, camels, or donkeys, and
refuses to give them away to someone who has not received the
[upāsaka] precepts, he has committed the sin of negligence. Without
rising above this impure act, which is conducive to continuing his
cyclic existence, ... he cannot avoid going down an evil
And in the Brahma Net Sutra precepts
- On Harming Sentient Beings
A disciple of the Buddha must not sell knives, clubs, bows, arrows, other life-taking devices, nor keep altered scales or
measuring devices. He should not abuse his governmental position to
confiscate people's possessions, nor should he, with malice at heart,
restrain or imprison others or sabotage their success. (82) In
addition, he should not raise cats, dogs, foxes, pigs, and other such
animals. (83) If he intentionally does such things, he commits a
I'm a vegetarian myself, and sympathetic to animal right issues-- the pet trade, zoos, and circuses do involve a certain amount of unneeded suffering and death on the animals parts, but for some people, their dog or cat is the only reason they have any sympathy at all for non-humans. So pets are a sort of unvolunteered diplomats for their species and animals in general.
Anyhow, here is one asian, dog charity I follow- https://www.facebook.com/pages/Duo-Duo-Animal-Welfare-Project-%E5%A4%9A%E5%A4%9A/380841222033262