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alyssau12
on FreezingBlue Flashcards.
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What are the 6 classifications of nutrients?
- energy (carbs)
- lipids (fats)
- proteins
- minerals
- vitamins
- water
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Why are carbs important?
primary energy source
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Why are lipids (fat) important?
- needed to make fat-soluble vitamins
- 2 to 3x as much energy as glucose
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Where are lipids (fat) found?
- vegetable oil
- soybean oil
- rice bran
- fish oil
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Why is protein important?
- essential for growth & performance
- needed to make amino acids
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What is needed to figure out nutrient requirements?
- body weight (kg)
- physiological status
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What are the nutrient requirements for idle horses?
- daily energy to maintain healthy body weight
- maintain moderate BCS
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What is a limiting macromineral in idle horses?
Phosphorus
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What are the nutrient requirements for broodmares?
- provide for fetal development
- keep BCS of 6
- more grain, smaller, more frequent meals
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What are the nutrient requirements for growing horses?
- reach genetic potential
- sound development
- high quality forage
- feed formulated for growth
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Describe equine digestive system:
esophagus > stomach > small intestine > cecum > large intestine
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What makes up the foregut?
stomach & small intestine
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What makes up the hind gut?
cecum & large intestine
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What breaks down proteins?
pepsin
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What happens in the stomach?
- particle breakdown
- start of protein digestion
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What happens in the small intestine?
- enzymatic digestion
- prime site of nutrient absorption
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What is lipase?
breaks down lipids
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What happens in the cecum?
- microbial fermentation
- microbes produce volatile fatty acids & vitamins B and K
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What happens in the large colon?
- VFA synthesis and absorption
- B-vitamin synthesis
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What happens in the small colon?
- water re-absorption
- feces development
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Where are amino acids absorbed?
small intestine
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Horses are what kind of fermenters?
hindgut
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Where are fat soluble vitamins produced?
cecum
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Where is most water absorbed?
large intestine
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What has the highest crude fiber?
oats
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