Ch 7 - Energy Feeds Flashcards
Energy feeds are
18%CF,
Top 5
Corn, Milo, Barley, Oats, Wheat
Other energy feeds
Milling industry biproducts - wheat mids, hominy, sugars, molasses, fats and oils, roots, tubers, etc. bakery waste cookies bread whey
Other use of corn
Biofuels
Characteristics of cereal grains
grass family, store lots of starch, high energy, low fiber, low protein and low protein quality, low mineral content, variable vitamin content
BT corn
bacillus t huringensis protein binds to the gut wall of selected insects
sorghum
grown the the southwest bc drought, disease, and insect resistant. must be processed for feeding. energy value slightly lower than corn
types of wheat
durm, hard red spring, hard red winter, soft red winter, soft white
wheat milling byproducts
wheat bran, middlings, mill run, shorts, red dog
barley grain
energy feed in northern europe, US brewing industry
Mycotoxins
can cause abortion, cancer, and death in animals, caused by molds and fungi during times of crop stress, improper storage, handling, or feeding practices
Iodine number
unsaturated fats have higher iodine numbers and lower melting points; sautrated fats have lower iodine numbers and higher melting points
fats as energy feeds
rancidity - oxidation of unsaturated fats
interactions with vitamin E - diets high in PUFAs require higher vit E
Saturation effects on compositoin of animal fats
Types of feed fats
Acidified soap stock, tallows and lards, greases, blended fats, ruemn protected fats