Verminus

In Roman mythology, Verminus ("worm-god") was the god of the cattle-worms. He was known for exposing worms and healing cows if appeased with an offering of the finest veal. This would of course involve killing a young cow, and so it was only done by those who had large herds of cows. This may be the reason that Verminus doesn't appear in many texts of Rome.
See more at Wikipedia.org...

[Roman] Verminus ("worm-god") is the Roman god of the worms in cattle.