Mineral or Vitamin

Essential For

Effect of Deficiency

Calcium

Development of bones and teeth
Muscle function
Blood clotting
Milk production

Milk Fever
Rickets

Phosphorous

Development of bones and teeth
Carbohydrate and Energy Metabolism
Milk production

Milk Fever
Rickets

Magnesium

Bone Development
Nerve function
Carbohydrate and Energy Metabolism

Grass Staggers

Salt

Osmosis
Food Digestion
Palatability

Poor growth
Poor feed use

Vitamin A

Skin and Hair Formation
Mucus Membrane Protection

Night Blindness
Infertility
Weak and blind young stock

Vitamin D3

Controls absorbtion of Calcium

Retarded Growth
Rickets

Vitamin E

Anti-oxidant
Immune system

White Muscle disease
Stiff Lamb
Muscular Dystrophy

Vitamin B12

Mobilisation of fats
Synthesis of fatty acids
Enzyme systems

Poor milk quality
Pine
Poor finish to beef
Poor appetite

Iron

Blood production
Enzymes

Retarded Growth
Anaemia

Cobalt

Vitamin B12 production
Enzymes

Pine in sheep
Poor appetite

Manganese

Skeleton growth
Metabolic management
Enzymes

Poor growth
Infertility

Copper

Blood production
Enzyme systems
Hair and wool colour

Anaemia
Hair pigments
Poor growth
Swayback in lambs

Zinc

Production of skin, hair and wool
Enzyme systems
Immune system

High cell counts
Soft Feet

Iodine

Thyroid hormone synthesis

Goitre
Infertility
Abortion

Selenium

Anti-oxidant
Immune system regulator

Muscular Dystrophy
White Muscle Disease
Stiff Lamb