BSE of the Male Dog & Cat Flashcards
Why do you need to perform a BSE?
Natural breeding AI Investigate fertility Prostate disorders Prepurchase exam Confirm semen absence
How do you determine normal scrotal width in dogs?
Based on body weight.
Eg. 15kg dog 45-50mm normal width.
How do you collect semen from a dog?
Tease with swab/bitch. Massage penis. Bulbus pressure. Collect semen. Check penis fully retracts into sheath.
What are the normal semen parameters for the dog for the following:
a) Total number
b) Progressive motility
c) Normal morphology
d) Total motility
a) >300 million
b) >80%
c) >80%
d) >70
What volume of extender should you add to sperm sample?
1:1 to 1:4 ratio
Define hypospadia, cryptorchidism
Hypospadia - failure of urethra & scrotum to fuse
Cryptorchidism - failure of testes to descend into scrotum
Why are some reasons for scrotal enlargement?
Hernia Orchitis Neoplasia Spermatic cord Hydrocoele Trauma Injury/wounds Sperm granuloma
You diagnose a Sertoli cell tumour. How did you diagnose it, what clinical signs are you seeing and how will you treat?
Diagnosis - clinical exam, US, biopsy
Clin. Signs - hyperoestrogenism, bilateral alopecia, hyperpigmentation, male dog attraction
Treat - removal
In brief describe the different between sertoli cell tumour, seminoma and interstitial cell tumour.
Sertoli - slow growing, produce oestrogen, usually cryptorchid.
Seminoma- spermatogenic cells
Interstitial - rare in cryptorchids
List some reasons for bleeding from penis.
Trauma Prostatic diseases Fracture os penis Balanoposthitis Penile neoplasia Preputial foreign body UTI
Define balanoposthitis, paraphimosis and priapism.
Balanoposthitis - inflammation of penis and mucousa
Paraphimosis - can’t retract penis
Priapism- persistent erection