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
