Chapter 12 - Test 3 Material (Pop Quiz 1)

Question 1

Cobalt

Answer 1

Function: requires as component of B12

Tissue Distribution: in liver, kidney, bone tissue

Deficiency: loss of appetite, reduced growth, decreases B12 in rumen

Toxicity: not likely because of low absorption rate

Question 2

Iodine

Answer 2

Function: constituent of thyroxin and other thyroid active compounds

Tissue Distribution: most is in thyroid (70-80% total body I) also in stomach, salivary glands, skin, ovary

Deficiency: reduced growth, dry skin, brittle hair, repo problems

Toxicity: not common but chronic excess will disrupt thyroid

Goiters Syndrome

Question 3

Zinc

Answer 3

Functions: constituent of numerous enzymes, activates enzymes immune function

Tissue Distribution: in liver, bone, kidney, muscle, pancreas, eye, skin

Deficiency: anorexia, loss of hair, feathers, wool, cracked paws, repro

Toxicity: wide margin of safety, anemia, stiffness, no appetite, hemorrhage

Question 4

Iron

Answer 4

Functions: carries oxygen to tissue, stores transport electrons

Tissue Distribution: stores in liver, spleen, bone marrow, blood

Deficiency: anemia

• common in newborns
• piglets prone to it

Toxicity: diarrhea, reduce growth, Metabolic acidosis, vascular congestion

Question 5

Copper

Answer 5

Functions: enzyme activity, collagen and elastin formation, melanin production

Tissue Distribution: live, brain, kidney, heart, hair

Deficiency: anemia, bone abnormalities, alopecia, repro failure

Toxicity: jaundice, tissue necrosis, mild anemia, liver damage

Question 6

Manganese

Answer 6

Function: normal formations, prevent ataxia, poor equilibrium, CHO and lipid metabolism

Tissue Distribution: in bone, kidney, liver, pancreas, pituitary gland

Deficiency: skeletal abnormality? Delayed estrus, poor conception, decreased litter size, decreased egg production

Toxicity: reduced appetite and growth, interfere with a Ca and P utilization

Question 7

Selenium

Answer 7

Functions: component of enzymes, integrity of cellular membranes

Tissue Distribution: in all cells of body

Deficiency: muscular dystrophy, liver necrosis, stiff lamb disease, infertility

Toxicity: blind staggers disease, reduced egg production, chick deformities, abnormal embryonic development

Question 8

Microminerals

Answer 8

Just remember 7 Macrominerals

Functions: activators of enzymes
Components of organic compounds