A review of sterilisation practices and impact on the individual animal, in dogs and cats

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AC/1225/14

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1. The medical benefits of gonadectomy in the bitch includes…..: *

1 point

Less aggression towards other bitches

Decreased risk of mammary neoplasia if sterilised after 2nd oestrus cycle

Decreased risk of mammary neoplasia if sterilised before 2nd oestrus cycle

Increased basal metabolism

Decreased risk of perianal adenoma

2. Castration has numerous advantages in the male dog. Which of the following statements is FALSE *

1 point

Castration of the male dog controls urine marking

Castration of the male dog reduces the tendency to roam

Castration of the male dog reduces aggression

Castration of the male dog reduces the risk for benign prostatic hyperplasia

Castration of the male dog reduces the risk for perianal adenoma

3. Sterilisation of male dogs increases the risk of certain conditions. Select the statement which is FALSE *

1 point

Sterilisation in male dogs increases the risk of haemangiosarcoma

Sterilisation in male dogs increases the risk or perianal adenoma

Sterilisation in male dogs increases the risk of cranial cruciate ligament rupture

Sterilisation in male dogs increases the risk of prostatic neoplasia

Sterilisation in male dogs increases the risk of osteosarcoma

4. Which of the following statements is true for sterilised tomcats *

1 point

The incidence of urethral obstruction is increased when sterilised, irrespective of at what age it is performed

The incidence of urethral obstruction is increased when tomcats are gonadectomised pre-pubertal

Gonadectomised cats have similar incidence of urethral obstruction than intact cats

Gonadectomised cats have a decreased risk of urethral obstruction than intact cats

None of the above

5. Which of the following statement is TRUE with regards to hemi- ovariohysterectomised dogs *

1 point

hemi- ovariohysterectomised dogs are at increased risk of ovarian neoplasia

hemi- ovariohysterectomised dogs do not come into season

hemi- ovariohysterectomised dogs may still produce litters albeit smaller litters

hemi- ovariohysterectomy is the only procedure performed in Scandinavia

none of the above

6. Which of the following statements is true with regards to alternatives to surgical sterilisation *

1 point

Immuno-contraception is currently the most used alternative to contraception in small animal practice

Progestogens should not be overlooked and should be considered first choice

Intra-testicular injection of zinc gluconate solutions causes reversible sterility

GNRH analogues hold the most promise

All of the above

7. Which of the following statements relating to ovariohysterectomy before the second oestrus cycle is FALSE *

1 point

Complete ovariohysterectomy before the second oestrus cycle in the bitch eliminates the risk of pyometra

Complete ovariohysterectomy before the second oestrus cycle in the bitch decreases the risk of mammary neoplasia

Complete ovariohysterectomy before the second oestrus cycle in the bitch decreases the risk of urethral sphincter incompetence

Complete pre-pubertal ovariohysterectomy before the second oestrus cycle in the bitch increases the risk of weight gain

None of the above

8. Which of the following statements applicable to early age neutering compared to prebural and traditional age neutering is FALSE *

1 point

The term early age neutering is applied to animals sterilised between 6 – 12 weeks of age

Early age neutering is advocated by many humane pet shelter societies

Early age neutering had no long term physical or medical effects on the animal

Animals undergoing early age neutering have a longer recovery period

Animals undergoing early age neutering are less inclined to obesity in later life

9. Which of the following statements is FALSE *

1 point

Sterilisation techniques which can be applied without affecting group dynamics include unilateral ovariectomy to reduce litter size

Sterilisation techniques which can be applied without affecting group dynamics include unilateral salpingectomy to reduce litter size

Sterilisation techniques which can be applied without affecting group dynamics include immunocontraception targeting the conceptus to inhibit pregnancy

All of the above

None of the above

10. GnRH hormone is a target of studies in various aspects in theriogenology. Which of the following statements is FALSE *

1 point

GnRH is a target hormone for immune contraception and suppression of sexual function.

GnRH agonists (analogues) hold great promise for oestrus prevention and suppression in bitches

GnRH agonists reducing circulating testosterone in males causing reversible sterilisation

GnRH agonists reduce the incidence of mammary and prostatic neoplasia in dogs

All of the above

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