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Feed Additives and Hormones Animal Science II Objective 14.00 What is a Feed Additive? • Used in Animal Rations in small quantities. • Improve/Stimulate performance in: • • • • Feed efficiency Faster weight gain Better Health Better Production (Milk, Eggs, Wool) • Not usually considered nutrients What is a Hormone Implant? • Pelleted synthetic, or natural hormones • Placed under the skin or muscle • Improve rate of gain, or feed efficiency • Can also be feed additive Why use Feed Additives, and Hormone Implants? • Performance Stimulants • Increase Profits • Can use antibiotics at a lower level than to treat sick animals • Can you think of a reason not to do this? Why use Feed Additives, and Hormone Implants? • Disease Prevention • Regulated by FDA (any feed containing any drug must be labeled as “medicated”. How to add additives to feed • Read and follow label instructions • Mix Uniformly • Clean feed mixer between batches • Keep up to date records
