Theraputic Nutrition- Misc Flashcards
most important factor in fish food
protein; fish convert protein into body tissue v effectivley, younger fish require more
how much protein fish normally eat in wild, how much we can feed in captivity (% of food)
50% in wild, 35-45% in captivity
kind of fish that have a special need for polyunsaturated fatty acids (PUFA) as main food source
supplimented in the food is…
carnivorous fish
suppliment w antioxidants to avoid oxidation of these fatty acids or the fats will turn rancid and produce toxins
signs of fish not getting enough protein
decreased growth or production, anemia, more apparent in younger fish or producing fish, more suseptible to secondary bacterial infections
why oversuplimentation of protein in fish is bad
excreted in urine, increased ammonium from protein/nitrogen breakdown in water. excess food in water also increases ammonium
why you shouldnt feed fish food that is over 90 days old
vitamins oxidize and degrade, vitamin C lost the fastest
clinical signs of hypovitamindosis C in fish
scoliosis and lordosis
signs of hypovitamindosis B in fish
CNS signs, muscular disease
when fish flakes come in contact w water, up to __% of water-soluble vitamins are lost within 30 seconds
90%
why charcoal is used in fish filters
binds to ammonium and other toxins
why we stop feeding sick fish
appetite usually decreases when sick, leftover food will decompose and increase ammonia in environment
in the event of a sick fish, owners can change how much of the tank water
one-third (changing all water can increase stress)
what is bene-bac gel
live culture of common digestive bacteria in intestinal tract; recomended anytime an animal is experiencing stress from changing nutritional or environmental conditions
