The Prophet ﷺ taught kindness to animals, telling of a woman forgiven for giving water to a thirsty dog and a woman punished for confining a cat. Islam requires that animals be fed, not overburdened, and slaughtered — when needed — in the gentlest prescribed way.
References
Sahih al-Bukhari 3321
Informational, not a personal fatwa. Consult a qualified scholar for rulings on your situation.