my baby ringneck's toenail is peeling of

i found this indian ringneck and he is a baby by the looks of it im guessing hes about 6-8 weeks old not sure. my baby ringneck's toenail is peeling of the tip of it and started bleeding a little. he keeps biting it and im sared he might peel the whole thing of, i can not afford to take him to a vet, is there something i could do that could help him?