Nutrition Flashcards
what is resting energy requirement determined primarily by?
lean body mass
assume thermoneutral environment and no activity
what does digestible energy for maintenance consider?
energy availability of feed after digestion (DE content of feed)
what is the equation for digestible energy for maintenance?
DEm = 1.4 + (0.03 x body weight in kg)
what should you multiply digestible energy for maintenance by for light work?
1.2
what are the dietary requirements for growth?
digestible energy for maintenance intake equivalent to adult
25% higher protein
twice as much calcium and phosphorous
how much hay should be provided to a horse in terms of its body weight?
1.5-2.0% of body weight
who does nutritional myodegeration affect?
lambs
kids
foals
what is selenium a co-factor for?
many enzymes
glutathione peroxidase that reduces hydroperoxides
what does hyperkalemic periodic paralysis look like?
myotonia
muscle fasciculations
followed by weakness
what should you multiply DEm by for heavy exercise?
1.6
how should you modify DEm for pregnancy?
early: no change
8 months: multiply by 1.125
11 months: multiply by 1.25
how many calories does hay provide as-fed?
700 kcal/lb
how large should a grass paddock be for restricted pasture access?
size of a tennis court: 60 by 120 feet
what diet should be fed for refeeding syndrome?
alfalfa: high protein
supplement phosphorous if needed
what happens when starch bypasses the small intestine and enters the colon due to too many non-structural carbohydrate in a meal?
gas produced by large intestinal microflora