Feed Processing Flashcards
dry-rolling (cracking) (processing method)
- for dry cereal grains
- passed through metal rollers under pressure sufficient to crack the seed coat; no moisture or steam added
crimping (processing method)
- for dry cereal grains
- rolled using corrugated rolling
grinding (processing method)
- for dry cereal grains
- particle size are reduced using a hammer mill; finely ground cereal grains are sometimes referred to as meal or mash feeds
popping (processing method)
- for dry cereal grains
- expansion by heat treatment and possibly pressure (POPCORN)
toasting/roasting (processing method)
- for dry cereal grains
- feed is browned, dried or parched by exposure to fire, gas or electric heat for a brief period of time
steam flaking/rolling (processing method)
- for wet cereal grains
- cereal grains rolled using heat (steam)
dehydrating (processing method)
- for forages
- moisture is removed by artificial drying
ensiling (processing method)
- for forages
- chopped, packaged and sealed anaerobically
cooking (processing method)
feed is heated to preserve or dry a feed to kill pathogens, to gel starch, or to denature or alter protein structure
pelleting (processing method)
ground feed is steam treated prior to being forced through dies containing circular openings using mechanical rollers
EXPENSIVE
crumbles (processing method)
used primarily in poultry diets whereby feed is first pelleted and then lightly rolled (increases feed efficiency, decreases feed wastage, decreased ingredient sorting)
cubing (processing method)
coarsley cut hay is compressed and cut into cubes of about 1 inch square by 2 inches long (increases feed density, increased mechanical handling, decreased feed wastage)
degerming
removes embryo portion from starch in the seed
dehulling
removes seed coat or bran portion of seed
extrusion
steam heat meal is pressed through metal die at high pressure
