Artificial insemination (AI) was conducted using the second fraction of semen, which was collected from 15 male dogs, diluted to a total sperm count of 100x10(6) for each insemination with egg-yolk Tris (eyT) citrate acid buffer and incubated at 4 degrees C for 48 hours. Luteinizing hormone (LH) surge was detected to determine the optimal time for mating using canine LH assay kits. Artificial insemination using 100x10(6) sperm was performed on the fourth and sixth days or the fifth and seventh days after the LH surge. The conception rates were 33% (4/12) and 89% (8/9), respectively; the whelping rates also showed similar results. Serum LH and follicle stimulating hormone (FSH) concentrations were measured in nine dogs, and the mean LH concentration (+/- standard deviation) at LH surge was 15.77+/-7.66 ng/ml. The time of the LH surge detected by the canine LH assay kit was very similar to that measured by radioimmunoassay (RIA).
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July/August 1999
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July 01 1999
Determination of optimal time for mating by artificial insemination with chilled semen using luteinizing hormone surge as an indicator in beagles
J Am Anim Hosp Assoc (1999) 35 (4): 348–352.
Citation
T Nishiyama, T Kinugasa, T Kimura, G Watanabe, K Taya, S Tsumagari, M Takeishi; Determination of optimal time for mating by artificial insemination with chilled semen using luteinizing hormone surge as an indicator in beagles. J Am Anim Hosp Assoc 1 July 1999; 35 (4): 348–352. doi: https://doi.org/10.5326/15473317-35-4-348
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