bo'vine growth' hor"mone
1. a growth hormone of cattle that regulates growth and milk production in cows.
2. the same hormone, harvested in large quantities from genetically engineered bacteria for daily injection into dairy cows to increase milk production. Abbr.: bGH Also called bo'vine somatotro'pin.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.