Canine and feline infertility Flashcards
Suggest what to do in a clinical exam when investigating infertility
Inspection of vulva
Palpation of mammary glands
Vestibule and vagina
Palpation of the uterus
Suggest reasons for failure to exhibit oestrous
- Delayed puberty
- Physiological variation
- Inadequate observation
- Abnormal sexual differentiation
- Ovarian agenesis/aplasia
- Already spayed
Treatment of failure to exhibit oestrous
equine Chorionic Gonadotrophin (eCG)
Administration of a prolactin inhibitor (Cabergolin)
Causes of Abnormally long interoestrus intervals
- Breed
- Functional ovarian cysts
- Poor condition
- Hypothyroid/Hyperadrenocorticism
Treament for Abnormally long interoestrus intervals
Induce oestrus (cabergoline)
Breeds that have abnormally long intervals
Basenji/Wolf hybrids
What are some breeds that have Abnormally short interval
Labradors, American Cocker Spaniels, Rottweilers
What is split oestrous
Common at time of puberty and in dogs < 4 years old.
Signs of pro-oestrus
No ovulation
Returns to oestrus with full ovulation 2-4 weeks later
German shepards have what issues with infertility
Failure of ovulation
2 infectious causes of infertilty/Abortion
Canine Herpes virus
Canine Brucellosis – now seen in UK
What is Cystic Endometrial Hyperplasia
Uterine wall becomes hyperplastic and cystic due to alternating oestrogen & progesterone influence
Prone to Pyometra
Often infertile
Ovarian Remnant Syndrome
Persistence of ovarian activity
Fragment or entire ovary left in situ
Ectopic tissue – uncommon
Oestrogenic drugs
Owner’s oestrogenic medication
Rank ovarian cyst from most common to least
Follicular cyst (3-62%)
Luteal cysts (< 10%)
Other non-functional
Signs of ovarian remnant syndrome
Prolonged anoestrus
Oestrus
Infertility
Pain
Most common Ovarian Tumours
Uncommon in dogs and cats but
1. Granulosa cell tumour
2. Epithelial tumours
Infectious causes of Infertility in the Cat
Feline panleukopenia
FIV, FeLV
Toxoplasma (Zoonosis)
Chlamydophila felis
Name the injection given to control fertility for female dogs
Proligestone (Delvosteron) injection
Given as one dose for temporary suppression of oestrus
Name the hormone and route of administration given to control fertility for male dogs
Deslorelin (Suprelorin) implant
