ANSC 160 Lecture Notes - Lecture 15: Foal, Working Animal, Chordate
Document Summary
Mare- female horses aged four and over. Maiden mare- mare who has never had a foal. Barren mare- mare who cannot become pregnant. Foal- colt or filly up to one year of age. Colt- uncastrated male horse up to four years of age. North america: 60 million years of evolution, modern horses- 1 million years ago. Extinction in north america: 12,000 years ago. Evolution of the horse horses are prey animals: eyes set on sides of the head two narrow blind spots in the front and the back, fight or flight instinct. Horses are flight animals horses are herd animals: safety in numbers, very sensitive to moods and emotions. Horses and humans early human/horse interaction+ predator/prey probably first domesticated around 4500-2500bc: china and mesopotamia draft animal before riding animal. Man has used horses for: food, hair, draft, transportation, war greatest contribution to human history. 60 million horses world wide: 10 million in the us.
