Colostrum (noun)

1. The first milk produced by a mammal after giving birth, which is rich in antibodies and nutrients.
2. A substance resembling colostrum, used in animal feed.

Origin:

Late middle english: from latin colostrum, from greek kolostron, of unknown origin.

Examples:

1. The mother dog licked her new born puppies and fed them with colostrum.
2. Cows can produce high-quality colostrum for the first 72 hours after giving birth.
3. Goats' colostrum is a good source of protein, vitamins, and minerals.
4. Rats were fed a diet of colostrum to study its effect on their immune system.
5. Colostrum supplements are becoming increasingly popular among athletes for their perceived performance-enhancing benefits.