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whole bunch of stuff
whole bunch of stuff
37
Agriculture
Undergraduate 4
04/14/2015

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Cards

Term
Which is best to feed for laminitis-prone horses, cold or warm season grasses? What time of day should they graze?
Definition
warm season grassses

early morning or overnight
Term
RER is associated with which breeds?
Definition
TBs, arabs, stbs
Term
Where are fructans broken down?
Definition
ferment in the cecum
Term
ER is characterized by _____ resulting in dark urine
Definition
myoglobinuria
Term
RER is characterized by _____
Definition
abnormal intercellular Ca metabolism, abnormal muscle fiber contraction
Term
____ levels are an excellent diagnostic tool for ER
Definition
creatine kinase (will be elevated)
Term
Starch fermentation in the LI results in a ____ pH due to ____ lactic acid/propionic acid production
Definition
decreased
increased
Term
Which region of the stomach is more prone to ulcers?
Definition
proximal / non-glandular
Term
The usual cause of hyperlipemia is _____
Definition
reduced feed intake causing weight reduction
Term
What hormone regulates the pituitary pars intermedia?
Definition
dopamine
Term
When dopamine regulation of the pituitary pars intermedia is lost, the result is chronic excessive production of _____, and elevated _____
Definition
adrenocorticotropin

cortisol
Term
True or False

Horses with cushings are often more docile & have a high pain tolerance
Definition
true
Term
Why does cushings result in an immunodeficiency?
Definition
catabolism of proteins, including immunoglobulins
Term
What is hirsutism?
Definition
long hair coat that doesn't shed
Term
True or False

Increasing dietary fat can minimize complications of cushings
Definition
true
Term
True or False

drought & flooding & warm temps increase incidence of mycotoxin contamination in feeds
Definition
true
Term
True or False

increased global trading of feed grains increases likelihood of feed contamination
Definition
true
Term
What is necessary to analyze fusarium mycotoxins in feeds?
Definition
a DON compound
Term
What contaminant causes equine leucoencephalomalacia?
Definition
fumonisins
Term
_____ inhibit synthesis of membrane lipids
Definition
fumonisins
Term
_____ increase tryptophan and seratonin levels
Definition
tricothecenes & fusaric cid
Term
_____ inhibit cellular protein synthesis
Definition
tricothecenes
Term
______ cause hemorrhaging in the intestines & bloody feces
Definition
tricothecenes
Term
_____ causes abortions an infertility due to elevated
Definition
zearalenone
Term
_____ causes a drop in blood pressure
Definition
fusaric acid
Term
_____ inhibit hepatic protein synthesis
Definition
aflatoxins
Term
____ is the most carcinogenic compounds known
Definition
aflatoxin
Term
_____ is associated with increased gamma glutamyl transferase activity
Definition
aflatoxin
Term
True or False

aflatoxins can cause respiratory infections & immunosuppresion
Definition
true
Term
_____ is associated with reduced IgG concentrations in milk
Definition
equine fescue toxicosis
Term
True or False

Equine ergot toxicosis impairs reproduction
Definition
false

fescue toxicosis does
Term
What causes ryegrass staggers?
Definition
lolitrem B
Term
_____ reduces norepinephrine concentrations in the brain and therefore reduces blood pressure
Definition
fusaric acid
Term
Contamination of what mycotoxin might result in excess plasma concentrations of CO2?
Definition
fusaric acid
Term
Why would fusaric acid increase CO2 levels?
Definition
reduces norepinephrine in the brain, which reduces blood pressure, restricting blood flow to lungs and inhibiting the exalation of CO2
Term
pH of digesta (increases/decreases) at the distal end of the ileum
Definition
increases
Term
What type of diet is a good choice for horses kept in confined areas
Definition
high fiber, high fat diet, low starch
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