In this chapter,


(1) "agricultural products" does not include fish, fisheries products, animals, or animal products;


(2) "animal" means an animal other than a human being and includes a mammal, insect, bird, fish, and reptile, whether wild or domestic, and whether living or dead;


(3) "animal product" means a product, article, or commodity containing any part of an animal;


(4) "fish or fisheries products" means any aquatic animal, including amphibians, or aquatic plants or parts of those plants, animals, or amphibians that are usable as human food.