LABOKLIN Service ID: 1360
| Diagnosis | - Detection of endocrine active tissue of the gonads (ovary, testis).
- Cryptorchidism
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| Material | Serum 2 x 0.5 ml |
| Execution | - First blood collection = baseline value (testosterone)
- Injection of 500 IU of HCG (Ovogest®)/dog i.v. respectively 5000 - 10000 IU/horse i.v. .
- Second sample after 1 hour = stimulation value
- (dog: perhaps additional sample after 30 minutes)
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| Parameter | Testosterone (male) |
| Species list | Dog, cat, horse |
| Duration | 1 day |
| Assessment | - In most cases, the determination of the AMH level (see category Endocrinology / Tumour Markers) provides comparable information.
- Male dog: post-stimulation testosterone concentrations > 1.0 ng/ml indicate that there is testicular tissue.
- Stallion: Testosterone concentrations between 0.05 and 0.1 ng/ml after stimulation are considered as borderline and need further clarification – e.g. by determining the anti-Müllerian hormone. Higher values indicate the existence of testicular tissue.
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