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ANSC 201 Exam 2 (Olver)
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ANSC 201 Exam 2 (Olver)
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ANSC 201 Exam 2 (Olver)____________ and _____________ are a quick way to reduce heat stress. (and an
example) - ANS-Convection and evaporation. Ex) Hosing down cows with a fan blowing
on them
___-___% loss of water can cause death - ANS-15 - 20%
___% loss of water causes disruption of body functions - ANS-5
2 ways to help control cold stress - ANS-1. Provide wind breaks
2. Keep animals dry
4 Functions of the mouth - ANS-1. Prehension
2. Ensalivation
3. Mastication
4. Bolus Formation
4 ways to help control heat stress - ANS-1. Evaporative cooling
2. Refrigerative cooling
3. Be sure water is always available
4. Shade
Active Immunity - ANS-Acquired by production of antibodies by natural
exposure/recovery or by administering vaccines
Amylopectin - ANS-(starch) All glucose: combo of 1-4 and 1-6
Amylose - ANS-(starch) sugar/carbohydrate: 1-4 linkage = linear
Animal reactions to temperatures higher than TNZ - ANS-1. Increase in water
consumption, respiration, perspiration
2. Blood vessels dilate
3. Decrease body insulation
4. Less activity
5. Lower feed intake
Animal reactions to temperatures less than TNZ - ANS-Short Term: shiver, hunch,
huddle closely, increase feed intake, reduce blood flow to extremities
, Long Term: Increase body insulation (hair, fat, etc.)
Anthelmentics - ANS-drugs that are given to kill internal parasites; usually given orally
(Ex: dewormer)
Antiseptics - ANS-Applied topically to animals
Bacteria Control Methods - ANS-Antibiotics, vaccines, culling
Bacteria Def. and Characteristics - ANS-Def: cause diseases by producing toxins
1. Vary in size, shape, pathogenicity, and host-specificity
2. Shapes - rod, spirilla, cocci
3. Damage host cells with toxins
Ex) Salmonella, brucellosis, etc.
Biologics - ANS-Used to prevent diseases (vaccines)
Biosecurity - ANS-preventing introduction of disease agents
Bolus Formation - ANS-Rolling food into ball by tongue and pushing it to rear of the
mouth
Carnivores - ANS-feed on animal tissues
Cellulose - ANS-1. linear chains; bound together
2. constituent of cell walls (plant)
3. not digested by most animals
* cross link makes it hard
Cephalic Phase - ANS-- First phase of flow regulation of gastric fluid
- nerve impulse
- prepares stomach for incoming food
CHON proteins - ANS-Carbon, Hydrogen, Oxygen, Nitrogen
Cold stress happens when... - ANS-temperatures are below an animal's lower critical
temp.
Common Mineral Deficiencies - ANS-1. Calcium: rickets, metabolic bone disease
2. Iron: young sizes - anemia
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