Caused by consuming milk from cattle suffering from trembles WordNet 3.0 & Open English WordNet

Milk sickness, also known as tremetol vomiting or, in animals, as trembles, is a kind of poisoning, characterized by trembling, vomiting, and severe intestinal pain, that affects individuals who ingest milk, other dairy products, or meat from a cow that has fed on white snakeroot plant, which contains the poison tremetol. Wikipedia

Kind of poisoning Wikidata

A condition, with trembling and vomiting, caused by ingestion of milk, meat, etc. from a cow that has fed on white snakeroot, which contains the poison tremetol. Wiktionary