Clinical report of an Idiopathic HypogonadotrophicHypogonadismin a seven year old dog

Article Type:
Research/Original Article (بدون رتبه معتبر)

On a 7-years-old dog with Azoospermia three conventional drugs in breeding techniques were tested to assess the effects and reproductive improvement of them. the Drugs that chosen include gonadotropin (GnRH) in commercial name Cystorelin، 50 micrograms subcutaneously 60 minutes prior to sperm collection , prostaglandin (PGF2α) in commercial name Veteglan , 0/005 mg/kg subcutaneously 15 minutes prior to sperm collection and Oxytocin 10IU per dog intramuscularly 10 minutes prior to sperm collection. Semen collected from this animal by manual semen collection technique and we had 7 days sexual rest between each collection. during the semen collection the dog’s libido was assessed and then semen Volume , Semen PH , semen color , semen concentration per ml ,total count of spermatozoa , progressive motility forward percent , morphologically normal spermatozoa percent and Total normal motile spermatozoa (TMNS) was evaluated. The samples did not show any traces of semen quality change when dog received prostaglandin and oxytocin and there is no spermatozoa in that samples. But when the sampled animal was under the influence of gonadotropin therapy semen quality improved dramatically in addition we have one billion and twenty-four millions of spermatozoa as the total count of the sample. Two hypotheses are proposed for this quality improvement. The frst one say the prescribing of gonadotropin in this dog, increased the animal blood testosterone index and stimulate the seminiferous ducts to released spermatozoa. The second one say because of the clinical condition of the animal it seems to had IHH syndrome and during the administration of gonadotropin the body hormonal system was regulated and released the sperm cells. Finally, it can be concluding that the use of gonadotropins may be improving the quality of semen of animals that have Azoospermia with source of hormonal abnormality

Veterinary clinical research journal, Volume:4 Issue: 4, 2013
287 to 292  
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