We're working on a new site. Click here to get a sneak preview.
Medical Dictionary

animal protein factor


Medical Definition of ANIMAL PROTEIN FACTOR

:  vitamin B12 or a concentrate containing this vitamin and usually antibiotics that is obtained especially in the fermentation production of vitamin B12 and chlortetracycline and is used as a supplement in some animal and poultry feeds


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears