ANSC 1001 Lecture Notes - Lecture 6: Herbivore, Amylase, Chymosin
Document Summary
Anatomy- form of an organism and that organism"s system. Steps of digestion: prehension- picking up food, mastication- chewing, mechanical digestion. Mechanical digestion also takes place in chickens in the gizzard: deglutition- swallowing, digestion. Chemical- mouth (enzyme amylase), crop (chicken, pigeons, Acidic- stomach (hcl ph 2-2. 5; lining of mucous viscus material and if missing that you get ulcers) Catabolism- breaking down; larger value than anabolism so losing weight. Anabolism- build up; if larger value than catabolism then gaining weight. If long loops of henley can go longer w/o peeing and have more concentrated urine. Chickens produce uric acid formed in liver goes through bloodstream then is filtered out by kidneys. Monogastric (pigs, dogs) and polygastric (sheep) systems: sheep- herbivore, dogs- carnivore, pigs- omnivore. Use teeth to grab and not let go (canines: omnivores. Cattle, sheep, horses, rabbits, polygastric or enlarged cecum. Polygastric: cattle and sheep- use incisors to cut but have molars in the back bc they are not grabbing meat.
