ANSC 3010 PROTEIN SOURCES QUESTIONS WITH
VERIFIED ANSWERS
when animals are fed excess protein, there will be increased ______ in waste -
Answers - nitrogen
proteins provide amino acids for: - Answers - maintenance of vital functions
growth
lactation
non-ruminants need or dont need pre-formed AA's in their diet - Answers - DO need
ruminants utilize many other nitrogen sources, synthesize AAs and protein from NPN
biological value (BV) - Answers - measure of the relationship of protein rentention to
protein absorption
3 sources of rumen protein metabolism - Answers - dietary protein escaping rumen
degradation (RUP or UIP)
microbial protein- contained in bacterial and protozoal cells that flow out of the rumen
endogenous proteins-contained in sloughed cells and secretions to abomasum and SI
protein supplements are arbitrarily defined as having greater than ____% crude protein
on a dry matter basis - Answers - 20%
protein sources - Answers - Oilseed meals
Grain legumes
Milling By-Products
Distillery and Brewery By-Products
Animal Protein Sources
Synthetic Amino Acids
Nitrogen Sources for Ruminants
Miscellaneous sources
oilseed meals - Answers - soybean, cottonseed, rapeseed/canola, linseed, peanut meal,
sunflower meal, safflower meal
grain legumes - Answers - soybeans, dry beans, fava beans, field peas and lentils,
cowpea, chickpea
, milling by products - Answers - corn gluten meal
distillery and brewery by products - Answers - distillers dried grains
brewers grains
animal protein sources - Answers - meat meal, blood meal, bone meal, fish meal, milk
products
synthetic amino acids - Answers - methionine
lysine
taurine
non protein nitrogen sources for ruminants - Answers - urea
biuret
dried poultry wastes
bypass protein for ruminants - Answers - heat treated DBM, fish meal, many more
oilseed meal is extracted what two ways - Answers - *mechanical expression* (expeller
process)- physical compression of seed to remove oil
*solvent extraction*- oils are removed in organic solvent and then isolated
most important protein supplement! - Answers - soybean meal
soybeans constitute ___% of the worlds oilseed production - Answers - 54%
68% of which is processed into SBM for animal feed
what is the issue with raw soybeans - Answers - they are toxic to most animals- contain
protease inhibitors, lectins, phytoestrogens, saponins, goitrogtens, and other toxins
what is mailard reaction and which protein source is it associated with - Answers - raw
soybeans
free amino groups bind with sugars to produce indigestible brown polymers
what is the first limiting amino acid of SBM - Answers - methionine
what is the standard to which all other protein feeds are compared - Answers - soybean
meal
second most important plant protein supplement in US - Answers - cottonseed meal
12% of world oilseed production
soybean meal - Answers - low fiber content
high digestible energy
VERIFIED ANSWERS
when animals are fed excess protein, there will be increased ______ in waste -
Answers - nitrogen
proteins provide amino acids for: - Answers - maintenance of vital functions
growth
lactation
non-ruminants need or dont need pre-formed AA's in their diet - Answers - DO need
ruminants utilize many other nitrogen sources, synthesize AAs and protein from NPN
biological value (BV) - Answers - measure of the relationship of protein rentention to
protein absorption
3 sources of rumen protein metabolism - Answers - dietary protein escaping rumen
degradation (RUP or UIP)
microbial protein- contained in bacterial and protozoal cells that flow out of the rumen
endogenous proteins-contained in sloughed cells and secretions to abomasum and SI
protein supplements are arbitrarily defined as having greater than ____% crude protein
on a dry matter basis - Answers - 20%
protein sources - Answers - Oilseed meals
Grain legumes
Milling By-Products
Distillery and Brewery By-Products
Animal Protein Sources
Synthetic Amino Acids
Nitrogen Sources for Ruminants
Miscellaneous sources
oilseed meals - Answers - soybean, cottonseed, rapeseed/canola, linseed, peanut meal,
sunflower meal, safflower meal
grain legumes - Answers - soybeans, dry beans, fava beans, field peas and lentils,
cowpea, chickpea
, milling by products - Answers - corn gluten meal
distillery and brewery by products - Answers - distillers dried grains
brewers grains
animal protein sources - Answers - meat meal, blood meal, bone meal, fish meal, milk
products
synthetic amino acids - Answers - methionine
lysine
taurine
non protein nitrogen sources for ruminants - Answers - urea
biuret
dried poultry wastes
bypass protein for ruminants - Answers - heat treated DBM, fish meal, many more
oilseed meal is extracted what two ways - Answers - *mechanical expression* (expeller
process)- physical compression of seed to remove oil
*solvent extraction*- oils are removed in organic solvent and then isolated
most important protein supplement! - Answers - soybean meal
soybeans constitute ___% of the worlds oilseed production - Answers - 54%
68% of which is processed into SBM for animal feed
what is the issue with raw soybeans - Answers - they are toxic to most animals- contain
protease inhibitors, lectins, phytoestrogens, saponins, goitrogtens, and other toxins
what is mailard reaction and which protein source is it associated with - Answers - raw
soybeans
free amino groups bind with sugars to produce indigestible brown polymers
what is the first limiting amino acid of SBM - Answers - methionine
what is the standard to which all other protein feeds are compared - Answers - soybean
meal
second most important plant protein supplement in US - Answers - cottonseed meal
12% of world oilseed production
soybean meal - Answers - low fiber content
high digestible energy
