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colostrum

American  
[kuh-los-truhm] / kəˈlɒs trəm /

noun

  1. 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.


colostrum British  
/ kəˈlɒstrəm /

noun

  1. the thin milky secretion from the nipples that precedes and follows true lactation. It consists largely of serum and white blood cells

"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

Other Word Forms

  • colostral adjective

Etymology

Origin of colostrum

First recorded in 1570–80, colostrum is from the Latin word colostrum, colustrum “beestings,” colloquial for “first milk”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Food and Drug Administration adds that it’s unclear whether the H5N1 viruses can be transmitted through consuming raw colostrum from infected cows.

From Los Angeles Times

Food and Drug Administration adds that it’s unclear as to whether or not the H5N1 viruses can be transmitted through consuming raw colostrum from infected cows.

From Los Angeles Times

Rajnarayanan said it’s also important to emphasize that it’s not a definitive conclusion that the cats from the CDC report died from drinking raw colostrum.

From Salon

Sick cows have a mild illness, and produce less milk, which is thicker than usual, resembling colostrum, the first milk produced after a calf is born.

From Science Magazine

To be clear, these aren’t supplements of human colostrum, but instead cow colostrum.

From Salon