Catechism of the Catholic Church §2457 — excerpt
Animals are entrusted to man's stewardship; he must show them kindness. They may be used to serve the just satisfaction of man's needs.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.