ANSC 1011 Lecture Notes - Lecture 16: Uropygial Gland, Tachycardia, Dermis
Document Summary
Unique features of fowl: high body temperature (105-107degrees f, high pulse rate (300 beats/min, high respiration rate (14-22 breaths/min, high rate of food passage (2. 5 hours, fusion of certain bones, adaptation of forelimbs to wings. Integumentary system: body covering skin and feathers, feathers (all birds, provide protection, regulate body temperature, aid in flight, show us the secondary sex characteristics. Feather types: quill find on wings and tail of bird, contour wings and body, plumules next to the body, more hairlike down feathers, provide insulation to regulate body temperature, filoplume more like their hair, next to body. Skin color results from different combinations of pigments in the upper and lower layers of the skin: yellow (chickens), white, blue, green, black. Urinary system: don"t have a bladder, excretes urine as uric acid (comes out with the feces, kidneys paired, three lobes, ureters long tubes that connect the kidneys to the cloaca.
