where does absorption of nutrients mostly take place in the GIT? where does absorption of water mostly occur?
small intestine for nutrient absorption
large intestine for water absorption
where does fermentation start?
what are some signs of poor dental health?
quidding, abnormal head position during chewing
loss of condition
what 3 things does microbes produce when breaking down fibrous/non-fibrous carbohydrates?
volatile fatty acids
gas (wasted energy)
vitamins B and K
How long does it take a horse to be off feed before microbial numbers decline? how long until the microbes are able to repopulate once back on food?
decr. if food withheld for >8hr
takes up to 1 wk to repopulate
what specialized bacteria take over when too much CHO reaches cecum undigested?
bacillus, lactobacillus, streptococcus
How does high starch diet lead to colic and laminitis?
excess starch reaches colon undigested --> normal microbes die off/CHO microbes over populate --> produce lactic acid --> mucosa damage/impaired motility --> colic and endotoxemia from mucosal damage =>laminitis
nutritional requirements of most horses may be met by feeding what?
good quality hay/pasture + water + trace mineral salt block