But, you know, there are lots of possibilities, I can't tell exactly, but I would always, always check with your vet and see if there's anything that they might be missing in their diet that maybe they're trying to make up for themselves.
Pero sabes, hay muchas posibilidades, no puedo ver exactamente, pero siempre consultaría con su veterinario y ver si le está faltando algo en su alimentación que quizás está tratando de reponer.