AVS 101 Lecture Notes - Lecture 6: Osteogenesis Imperfecta, Calcification, Vitamin K

• School: URI
• Department: Animal and Veterinary Science
• Course: AVS 101
• Professor: Anthony Mallilo

Document Summary

Fat soluble: a, d, e, and k. Vitamin c - needed by human but manufactured in dog. Hypervitaminosis - excess intake of a vitamin. Can cause anorexia, cessation of menstrual cycle, and skin discoloration. Xerophthalmia - pink area around a rat"s eye becomes crusty/scab. From plants beta carotene precursor. Body stores vitamin a in limited supply in the liver. Enhanced absorption from calcium and phosphorus from intestine. Mobilizes calcium and phosphorus from boney tissue to soft tissue. Walls of blood vessels, heart, kidneys, tubules, and bronchi. Fortified products milk, cod liver oil, tuna, and eggs. Seven dehydrocholesterol animal sterol stored beneath the skin. Uv light + ergosterol (plant sterol) = d2. Body stored vitamin d in limited supply in the liver. In dogs, rabbits, guinea pigs, and rats. Sterility in hamsters, guinea pigs, and rats. Encephalomalacia (crazy chick disease) - affects brain and the animal becomes paralyzed. Can be substituted with selenium if there"s none available.