export_review of horse feeds Flashcards
Horses spend what percentage of their time grazing and browsing?
60-75%
Horses ingest what % of their BW in DM/day?
2-2.5%
Feeding dried hays and concentrates will result in (less, more) time eating per day?
less, about 40% of day
Natural feeds of horses is what % carbs?
80%
Natural feeds of horses is what % protein?
8-12%
Natural feeds of horses is what % of fat?
4-6%
Fermentation in horses occurs (after, before) stomach and small intestine.
after
Oral cavity function:
increase SA for SI enzymatic action and break down CHO for LI bacterial fermentation
T or F: Horses are constantly salivating, regardless of chewing.
False; salivate only when chewing
Purpose of saliva in horse?
lubricant for esophageal passage; NO ENZYMATIC ACTIVITY
The equine stomach is ____% of GI capacity.
8%
Retention time for equine stomach
2-18 hours
Nonglandular region of equine stomach?
fundus
glandular region of equine stomach?
pylorus
Equine anterior pancreas secretes what in SI?
lipase, protease, amylase
Equine Microvilli in SI act to absorb?
monosaccharide, fat, AA, vitamins, minerals
Equine SI volume?
40-50 L (30% of total)
Equine Passage time for SI?
2-8 hours
Equine Volume capacity of LI?
100 L
Equine Transit time for LI?
around 50 hours
Equine LI ferments ____ to ____
CHO to VFA
Equine LI provide __% of ME?
30-50%