Nutrition: Supplementary Feedstuffs

Question 1

Cereal grains

Answer 1

High CHO
40-80% of DM of grain=starch
Types: oats, barley, maize, wheat, rye
General comp: less variable, increased starch, CP=80-120, poor quality protein, decreased essential AA, lipids=10-60, decreased calcium, increased phosphorus 
Variable starch content among types

Question 2

Roots, tubers, and by-products

Answer 2

• Root crops
• turnip, swede, mangle, fodder beet, sugar beet
• increased sugar content, increased digestibility, decreased CP content
• used for ruminnt diets, silage replacer, cereal replacer
• Root by-products
• sugar beet pulp most common
• residue after extraction of sucrose
• shredded or pellets
• can have molasses
• increased fiber digestibility
• composition: moderste protein levels, increased calcium, increased fiber content
• Tuber
• potato, sweet potato, cassava
• composition: increased starch, decreased fiber

Question 3

Protein concentrates

Answer 3

• oil seed cakes and meals
• residue after extraction of oil from soybeans, rapeseed, sunflower, linseed
• increased proteins
• can contain sig amount of oil
• Leguminous seeds
• peas and beans
• commonly used in compound mixes
• ME~13.5
• Animal Protein
• meat and bone meal, blood meal, fish meal
• fed for high protein content
• restrictions present