Table 1 Results (mean ± standard deviation) of the efficiency of transcervical artificial insemination techniquesa, by cervical immobilization or cervical traction, in Subulo gouazoubira females submitted or not to a protocol of cervical dilatation with oxytocin (G-Control, 1 mL de saline solution; G-OT, 50 IU of Oxytocin. Both were intravenous administered 20 min before the AI procedure).
Final points | G-Control | G-OT | Total |
|---|---|---|---|
Estrus response (%) | 100% | 100% | 100% |
Time to estrus (hours after cloprostenol administration) | 16 ± 24 | 16 ± 24 | 16 ± 24 |
Degree of cervix projection on the speculum (1–3)* | 2.0 ± 1.0 | 1.5 ± 0.6 | 1.7 ± 0.3 |
Degree of difficulty of clamping in the cervical traction technique (1–3)* | 1.0 ± 0.0 | 1.2 ± 0.5 | 1.1 ± 0.1 |
Number of repetitions of clamping in the cervical immobilization technique | 5.0 ± 3.6 | 5.0 ± 2.4 | 5.0 ± 0.0 |
Number of repetitions of clamping in the cervical traction technique | 3.3 ± 2.3 | 4.0 ± 1.4 | 3.6 ± 0.5 |
Length of the transposed cervix (cm) | 5.9 ± 1.7 | 4.0 ± 2.6 | 4.9 ± 1.3 |
Number of transposed cervical ring | 3.5 ± 1.7 | 1.5 ± 1.0 | 2.5 ± 1.4 |
Degree of tortuosity of the cervical canal (1–3)* | 3.0 ± 1.0 | 3.0 ± 1.0 | 3.0 ± 0.0 |
Degree of difficulty of cervical transposition in the cervical immobilization technique (1–3)* | 2.2 ± 0.9 | 3.0 ± 0.0 | 2.6 ± 0.5 |
Degree of difficulty of cervical transposition in the cervical traction technique (1–3)* | 2.2 ± 0.9 | 3.0 ± 0.0 | 2.6 ± 0.5 |
Success (%) of cervical transposition in the cervical immobilization technique | 25% (1/4) | 0% (0/4) | 12.5% (1/8) |
Success (%) of cervical transposition in the cervical traction technique | 25% (1/4) | 50% (2/4) | 37.5% (3/8) |
Time for cervical transposition in the cervical immobilization technique (min) | 0.6 ± 0.1 | 1.1 ± 0.5 | 0.8 ± 0.3 |
Time for cervical transposition in the cervical traction technique (min) | 0.5 ± 0.4 | 0.2 ± 0.2 | 0.3 ± 0.2 |
Time for TCAI—cervical immobilization procedure (min) | 9.4 ± 4.0 | 9.1 ± 2.5 | 9.2 ± 0.2 |
Time for TCAI—cervical traction procedure (min) | 17.4 ± 2.5 | 16.5 ± 4.2 | 16.9 ± 0.6 |
Occurrence of semen reflux (%) | 50% (2/4) | 0% (0/4) | 25% (2/8) |
Conception rate (%) | 50% (2/4) | 50% (2/4) | 50% (4/8) |
Artificial insemination procedures using EMBRAPA forceps (%) | 25% (1/4) | 0% (0/4) | 12.5% (1/8) |
Artificial insemination procedures using Pozzi forceps (%) | 75% (3/4) | 100% (4/4) | 87.5% (7/8) |
