milk sickness vs animal disease

milk sickness and animal disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
milk sickness	Yes	No	No	No
animal disease	Yes	No	No	No

As nouns, animal disease is a hypernym of milk sickness; that is, animal disease is a word with a broader meaning than milk sickness:

milk sickness: disease of livestock and especially cattle poisoned by eating certain kinds of snakeroot
animal disease: a disease that typically does not affect human beings

milk sickness (noun)	animal disease (noun)
caused by consuming milk from cattle suffering from trembles	a disease that typically does not affect human beings
disease of livestock and especially cattle poisoned by eating certain kinds of snakeroot