#3 Carbohydrates Flashcards
Ideal for Poultry Farmer
Maximize net income in sustainable manner
Nutrient is used for _ of _ _ and _ and _
maintenance, body tissues, processes, production
Poultry Require source of _, _, _, _, _, _
energy, nitrogen, fat, mineral, vitamin, water
Approximate cost of nutrients in diet _% Energy, _% Protein, _% Phosphorus, _% Rest
60, 25, 8, 7
Is energy a nutrient?
No
Components that supply energy into poultry feed
Carbohydrates > Fats > AA
In addition to maintenance of normal body processes, and production related activities what is energy used for?
Maintain body temp during cold or heat stress, retention in body products
Carbohydrates are composed of _ and _
Water, Carbon
Carbohydrates provide _kCal/gram
4
Is there any one essential carbohydrate that is essential?
No
The main carbohydrate in poultry diets
Starch
Feed ingredients high in starch ,,_,
Barley, Wheat, Corn
2 Types of Starch
Amylose, Amylopectin
Amylose is relatively _, and is _ to breakdown than , uses __- bonds
linear, harder, amylopectin, a1-4
Amylopectin is _, and is _ to breakdown than _, uses - and - bonds
branched, easier, amylose, a1-6
Amylose and Amylopectin both use _ bonds
glycosidic
Amylose is relatively _ and forms a tight _, bonds are harder to break with _
insoluble, helix, amylase
Amylopectin is highly _, and has both types of _ bonds which makes it easier to be broken down by amylase
branched, glycosidic
High Amylose Cereals, _ in starch, _ digesting, _ source of energy
lower, slower, sustained
High Amylopectin Cereals, _ in starch, _ digesting, _ of energy
higher, faster, burst
Examples of High Amylose grains
Oats, Barley
Examples of High Amylopectin Grains
Corn, Wheat
Intermediate Cereals, intermediate levels of amylopectin and amylose, more balanced _ source
Energy
Examples of intermediate cereals
Rice, Sorghum