ANSC 1011 : Study Guide Exam 1
Document Summary
Why were animals domesticated and nonfood uses of animals: red meat/food, hunting and gathering farmers (draft animals) modern ag (only really used for food, developing countries still use for power, 2/3 of animals in dev. What are variety meats: heart, liver, tongue, fats mostly in asia and europe. Gestation: cows 9 months; 1. 5 years before slaughter, chx 21 days; 5-6 months before slaughter, pig 3:3:3; 6 months before slaughter. Beef: enclosed in dry land with fences; cows: grazing. Difference between ruminants and nonruminants: ruminants 4 compartment stomach; symbiotic relationship with bacteria; cow, goat, sheep, nonruminant 1 compartment (monogastic); dog, cat, chicken, pig, horse, human, horse relies on grass but no 4 compartment stomach. Importance of feed: maintinance maintaining temp and weight; most important, growth, production (eggs and milks, work, reproduction first trait affected by poor nutrition; 3rd trimester most important. The differences between essential and non-essential nutrients: essential needed in diet.
