ANIMSCI 2200.01 Study Guide - Final Guide: Pepsin, Peristalsis, Lineage Of Ether
4 Oct 2018
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Major feeds consumed in forms with nutrients are not available for absorption: feed needs to be broken down before adsorption. Digestive systems have evolved according to type of diet. Digestive system dictates: type of feed an animal can consume, feeds that animals can effectively utilize. Animals with different types of digestive systems have different places in the food chain: decreased competition for resources. Classification of animals: diet classification, carnivores: flesh-eating animals. Diet consists of mainly non-plant material (meat, fish, or insects: cats, birds of prey, snakes, and some fishes (sharks, omnivores: primary diet formed by plant and animal material, type of digestive system, nonruminants, ruminants. Nonruminants: simple stomach with one glandular stomach: pigs, cats, dogs, humans. Digestion starts with prehension and mastication: horse, llama, alpaca: lips to acquire food, cattle and sheep use tongue for prehension, pigs: snout. Dentition: mammals: front incisors, canine and cheek molars, varying teeth depending on diet.
