Question the students to determine if they know what a growth promoter is and what it does. Conclude by explaining to the class that the purpose of the lesson is to expand their knowledge of growth promoters,proper use, and the hazards of misuse. It is a chemical substance produced by the endocrine glands. Target cells are cells which recognize only a particular hormone or hormones.
Synthetic hormones are stronger than natural ones.
C. Synthetic steroids are the type used in the livestock industry as growth promotants. It is implanted behind the ear,where it is absorbed through the stein. It promotes Nitrogen retention, which encourages protein synthesis and muscle mass, which therefore increases growth rate. At this time, Zeranol is one of the most widely used growth promoters. It is an ear implant.