... nutritional additives 2.Promote Healthy, 3. improve the immune functions Betaine hydrochloride is a kind of nutritional additives , can be used ... aquatic and all kinds of pet food . In recently years, betaine hydrochloride has been proved to be an important role in the ... ,it is recommended as follows: animalsRange of Dosage of Betaine(%)Recommended Dosage (%)Piglets0.02~0.20.1Growing-finishing pigs0. ...