1 Dogs do not need to wait until they are between six months and a year old for spaying or neutering. 2  Most veterinarians recommend having your dog sterilized shortly after the completion of his or her puppy vaccines, around the age of five months. Dogs do not need to wait until they are between six months and a year old for spaying or neutering. 2  Most veterinarians recommend having your dog sterilized shortly after the completion of his or her puppy vaccines, around the age of five months.
alcohol dehydrogenase. (biochemistry). The enzyme that catalyzes the oxidation of ethanol to acetaldehyde.
Alcohol, or ethyl alcohol (ethanol), refers to the intoxicating ingredient found in wine, beer and hard liquor. Alcohol arises naturally from carbohydrates when certain micro-organisms metabolize them in the absence of oxygen, called fermentation.