a yellowish liquid, especially rich in immune factors, secreted by the mammary gland of female mammals a few days before and after the birth of their young.
- Also called foremilk .
- co·los·tral, adjective
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How to use colostrum in a sentence
For the first few days after giving birth, mothers produce colostrum, a thick, yellow, concentrated milk packed with compounds like the antibody IgA and lactoferrin, an abundant protein that boosts a baby’s immunity.Startups are racing to reproduce breast milk in the lab | Katie McLean | December 18, 2020 | MIT Technology Review
By nursing the colostrum out of the breasts, it will favor and hasten the secretion of milk.The Eugenic Marriage, Volume I. (of IV.) | W. Grant Hague, M.D.
Examined with the microscope, it is found to contain colostrum.
The first product of the mammæ is not the proper milk secretion, but is a yellowish fluid called colostrum .Plain Facts for Old and Young | John Harvey Kellogg
After the calf is a few days old, colostrum changes to what is commonly known as milk.Agriculture for Beginners | Charles William Burkett
colostrum, ko-los′trum, n. the first milk of a mammal after parturition.
British Dictionary definitions for colostrum
the thin milky secretion from the nipples that precedes and follows true lactation. It consists largely of serum and white blood cells
- colostral, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012