Outcome 3

Question 1

Collie Eye Syndrome

Answer 1

Hereditary.
Deterioration of the optic tissue used to focus resulting in blindness.

Question 2

Polydactyl.

Answer 2

Hereditary.
Born with extra digits.

Question 3

Deafness in Dalmatians.

Answer 3

Hereditary.
Deterioration of the cochlea in first few weeks of life.

Question 4

Hip Dysplasia.

Answer 4

Hereditary.
Hip joint has not been developed properly causing the ball and socket not to join properly.

Question 5

Cerebellar Hypoplasia.

Answer 5

Congenital.
Causes part of the brain tissue to be destroyed in the cerebella cortex causing tremors and in coordination.

Question 6

Cleft Palate.

Answer 6

Congenital (should be hereditary).
Gap in the hard palate failing to close causing the animal to not be able to suckle properly resulting in choking and milk running down the nose.

Question 7

Patent ductus arterioles.

Answer 7

Congenital (should be hereditary).
Fetal blood vessel fails to close after birth causing abnormal blood flow.
Cardiovascular condition.

Question 8

Pulmonic stenosis.

Answer 8

Congenital.
Narrowing of the semi lunar valve.

Question 9

What can be done to prevent abnormalities?

Answer 9

Screen breeding animals.
Only breeding healthy animals.

Question 10

Screening tests available.

Answer 10

Eye screening test.
Hip dysplasia screening scheme.
BAER test (deafness)

Question 11

What is the term meant by hereditary condition?

Answer 11

Carried on from generations.
Not necessarily present at birth.

Question 12

What is the term meant by congenital condition?

Answer 12

Present at birth.
Happened in the utero (womb).

Question 13

What is the term called where only good and genetically sound examples of the breed are used for future breeding programmes?

Answer 13

Selective breeding.

Question 14

The name of another hereditary abnormality and whether or not there is a screening test available for it?

Answer 14

Cervical Spodylopathy (Wobblers Syndrome) in Doberman Pinschers -Breed society screening schemes

Canine haemophilia – No screening programmes

Question 15

What observations you might make to determine whether a neonate might have an abnormality at or shortly after birth?

Answer 15

• Colour
• Activity
• Feeding
• Passing Waste Normally

However in some species a detailed examination soon after birth could cause abandonment or Cannabalisation by mother.