GI
which type of animal relies on microbes to digest fiber
ruminants
what class of nutrients is esential for muscle development & tissue repair
protein
why is DM used when comparing different feeds
to accurately compare nutreint content regardless of moisture
which mineral helps prevent grass tetany in cattle
Mg
which nutrient is required in the greatest quantity
H2O
in ruminants which stomach compartment is responsible for squeezing feed into cud before rechewing
reticulum
which nutrient supplies the most calories per gram when compared equally to others
fat
6.25
TDN
total digestable Nutrient
energy value of the feed
which mineral words closely w/ Fe for O2 transport
Cu
which nutreint class is most closely associated w/ rumen fermentation & VFA production in ruminants
carbohydrates (fiber)
what digestive organ in birds replaces the need for teeth i.e. grinds the feed
gizzard
which enzyme is specifically responsible for breaking down lipids
lipase
why are feed by-products commonly used in livestock diets
cheaper,
supply nutreints
why is salt commonly added to livestock rations or provided in salt blocks
which vitamin protect cell membranes
Vitamin E
where does chemical protein digestion first begin in ruminant?
abomasum
glucose is classified as what type of carbohydrate
monosaccharide
examples of high protein supplements
SBM, fish meal, blood meal, DDGs
which mineral is required for proper thyroid hormone production
iodine
protein -> polypeptides -> peptides -> amino acids
what part of the poultry digestive system temporarily stores & moistens feed
crop
which type of fat contains double bonds and is usually liquid at room temperature
unsaturated fat
what element is meausred to estimate CP in a feed sample
N
which nutrient if consumed in excess will cause sheep to DIE
Cu
what are the 3 most limiting amino acids
lysine, methionine, tryptophan