Fish Hatchery Management - fisheries & aquaculture

Appendix HDrug Coatings forFeed PelletsEither gelatin or soy oil may be used as drug carriers for coating feed pellets.A representative sample of pellets should be checked for adequatecoatings before the operation is terminated.Gelatin: 125 grams gelatin in 3.0 quarts water per 100 pounds of pellets.(l) Slowty dissolve the gelatin into hot tap water.(Z) Stir the drug into the gelatin solution until all lumps are gone'(g) Slowly add the drug-gelatin mixture to pellets as they are stirred byhand or in a small cement mixer. To avoid pellet breakage, stir gently andonly long enough to assure an even drug coating.Soy oil: 2-3 pounds per 100 pounds of pellets.(t) trli" drug evenly in warm (100-120" F) oil.(Z) pour or spray mixture over pellets.405