final info Flashcards
macroevolution
species to species evolution, all species evolved from one species
microevolution
change/evolution only within a species
oc march and thomas huxley
marsh=paleontologist, huxlex=evolutionist, presented their theory in mew york (1879) at us journal of science conference
most common injuries to horses in hauling
58% head and 22% legs
how is stress measured in horses?
cortisol levels
shipping fever
respiratory illness, caused by an elevated head position and can’t get rid of pathogens
top horse breeds in KY
- thoroughbred 2. quarter horse 3. TN walking horses/saddlebreds
top uses of horses in KY
- trail riding/pleasure 2. broodmares 3. idle/not working 4. competition
how are stud fees established?
yearling prices
stacking
put pads under front feet of horses so they had more knee action
soring
causing pain in the horses front legs so the horses would pick their legs up high and quickly
ways to cause soring
chemical ways (diesel fuel, salicylic acid, carosine), pressure shoeing(grinding foot down to lamina layer), mechanical soring (chains put around pastern, often used with chemical soring)
how soring could be masked
topical anestetics to numb the area, stewarding (training horses not to respond to pain), inflicting pain somewhere else
horse protection act
1976, congress passed horse protection act (HPA), outlawed soring (all chemical irritants), could use chains weighing 6 oz or less and limited the height of stacking
VMOs
veterinary medical officers, trained by USDA to detect spring, many threatened by trainers for enforcing the law
DQP
designated qualified person,trained by walking horse industry