STUDY GUIDE 2026 PRACTICE QUESTIONS
AND ACCURATE ANSWERS GRADED A+
◉ carbonaceous concentrates. Answer: low in protein
EX) cereal grains, molasses
◉ nitrogenous concentrates. Answer: high in protein
EX) soybean meal, cottonseed meal
◉ Roughages. Answer: low energy high fiber
less digestible than concentrates
best for ruminate animals
◉ Corbonaceous roughages. Answer: low protein
EX) grass hay, stover, mature cereal grain silage
◉ Nitrogenous roughages. Answer: high protein
EX) legume hay and silage, immature grass hay, growing pasture and
silage
,◉ water. Answer: cheapest most abundant nutrient
causes quicker death than lacking any other nutrient
◉ water sources. Answer: drinking
ingested in or on feed
metabolic - derived from breakdown of nutrients
◉ water function. Answer: transport nutrients and excretions
chemical reactions and solvent properties
temp regulation
maintain shape of body cells
lube and cushion joints and organs
◉ Protein. Answer: composed of amino acids - 22 amino acids
◉ Protein structure. Answer: amino acids --> peptide-->polypeptide-
->protein
◉ Essential Amino Acids. Answer: Animal must have - must be
through diet
◉ Essential Amino Acids. Answer: Methionine
, Arginine
Threonine
Tryptophan
Histidine
Isoleucine
Leucine
Lysine
Valine
Phenylalanine
◉ Nonessential Amino Acids. Answer: needed but made in the body
◉ Protein Analysis. Answer: determine Nitrogen content then
multiply by 6.25
1. Crude protein
2. Digestable Protein
◉ Nonprotein Nitrogen. Answer: urea, biuret
◉ Protein Function. Answer: 4cal/g