The Dog and the Tom Flashcards
What are the 2 terms used for an orchiectomy?
- Castration
2. Neuter
What is the most common form of sterilization for the dog?
Orchiectomy
What behavioural advantages does sterilization have with dogs?
Prevents male sexual dimorphic behaviour
Disadvantages of an orchiectomy include o_____, hip ____, and cranial cruciate ligament ______.
Disadvantages of an orchiectomy include obesity, hip dysplasia and cranial cruciate ligament rupture.
What is removed in a vasectomy?
Ductus deferens
What do sclerosing agents do to the testis?
Testicular atrophy
Sclerosing agents include; ____-based solutions and _____ chloride solutions
Sclerosing agents include; zinc-based solutions and calcium chloride solutions
Medroxy progesterone acetate disrupts what process?
Sperm maturation
What type of androgen is used as a contraceptive in dogs?
Methyltestosterone
What hormone does methyltestosterone suppress in the dog?
LH
What GnRH agonist is used for contraception in male dogs?
Deslorelin
What does deslorelin suppress?
LH
Can dogs return to normal spermatogenesis post deslorelin implant/injection?
Yes
Why is manual stimulation used to collect semen (4 reasons)?
- Breeding soundness exam
- Semen preservation
- Infertility
- AI
What are the 6 points of semen evaluation?
- Colour
- Volume
- Ejaculate fractions
- Motility
- Morphology
- Concentration
The 3 ejaculate fractions are; clear ____, creamy ___ rich, clear ____.
The 3 ejaculate fractions are; clear prostatic, creamy sperm rich, clear prostatic.
What is the volume range of sperm?
1 - 80 ml
Motility of sperm > ____%
Motility of sperm > 70%
Morphology of sperm >___%
Morphology of sperm >80%
Name the 3 developmental sexual abnormalities
- Chromosomal sex
- Gonadal sex
- Phenotypic sex
How many days can it take for the testes to descend in a young animal?
Up to 10 days
What type of cryptorchidism is most common?
Unilateral
This condition is inherited as autosomal ______
This condition is inherited as autosomal recessive