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The amount of nutrients required by an animal

Is agreed to be the average amount reqiired for a particular function

Is greater than the nutrient requirement by a safety margin

Is a state where the animal's body composition remains constant and does not perform or give rise to any products such as milk

The minimum quantity promoting zero energy balance

When the animal uses its body reserves for maintenance

When the animal uses its nitrogen reserves when fed dueing a nitrogen free diet

Heat that leaves the body from the energy expended in the maintenancd

Heat produced from digestion of food

Major route by which water vapor is lost

The nitrogen in feces consisiting of enzymes and sloughed cells from digestive tract and from microbial residues

The typical byproduct of amino acid catabolism, which arises from body proteins

Represents the smallest lost of body nitrogen commensurate with the existence of animal

Can be used to estimate the nitrogen requirements for maintenance

Urine non ruminants is excreted in the form of?

Protein requirements for maintenance in ruminants can generally be met by

Urinary nitrogen excreted in excess of the endogenous component

The relationship between tissues weights and body weight can be described by so called?

Liveweight minus gut and bladder contents

The live weight that would be achieved by the animal when skeletal development is complete and the condition score is in the middle range

Three amino acids required in the pigs'diet

Where certain amino acids are locsted and taken into account

Glycine in chicks is inceeased by?

Phenylalanine can be derived from?

Two interconvertible amino acids

Limiting amino acid of horsed and pigs

Limiting amino acid for chi ks

Grow from follicles formed by invagination of the epidernmis

Have stored energy from glycogen and glutamine which can be released by aerobic or anaerobic glycolysis

Woll fibers contains

Is produced by the sebaceous glands and consist mainly of esters

The secretion of sudoriferous glands with mixture of inorganic salts

Two amino acids for wool production

Deficiency in this mjneral causes crimp or waviness in wool and restrict the formation of melanin

Deficiencg causes brittle wool fibers

The only vitamin that doesnt affect wool

Most common minerals to be deficient

This vitamin results in prolonging shelf life

A and D is proportional to?

B and E is concerned with

Where is vitamin B synthesized

Is described as the pace maker of animal production

These are hormones that alter the partition between protein and fat deposition.

Proteins that are not degraded in the rumen but digestible in the lower gut

Less fat but more muscle within 28 weeks

More fat but less muscle

The main factor that influence body composition and nutrient requirements