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Table 1 Effects of intratesticular injection of calcium chloride on reproductive parameters at 1 year post-injection

From: Alcohol diluent provides the optimal formulation for calcium chloride non-surgical sterilization in dogs

Intratesticular Injection

Total sperm count (n. × 106)

Sperm motility (%)

Serum testosterone concentration (ng/dL)

Testicular width (mm)

Saline control (group C)

311.4 ± 21.4 (range 279-342)

80% (range 70-85)

735.2 ± 186.4 (range 398-985)

24.8 ± 2.0 (range 22.5-28.5)

CaCl2 in lidocaine (group A)

7.1 ± 16.4 (+) (range 0-47)

5% (range 0-5)

461.1 ± 118.1 (range 225-743)

12.7 ± 1.0 (range 11-15)

CaCl2 in alcohol (group B)

0

--

165.7 ± 37.9 (range 104-246)

12.2 ± 0.9 (range 11-15)

  1. Data for effects of single, bilateral intratesticular injection of CaCl2 at 1 year post-injection (T3) is expressed as the group mean ± standard deviation.
  2. (+) 81% of the dogs remained azoospermic, whereas 19% showed severe oligospermia. (--) No presence of sperm and, thus, motility, were undetectable.