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Computerized and Subjective Assessments of Post-thaw Motility of Semen from Finnish Ayrshire AI Bulls in Relation to Non-return Rates

Automatiserad och subjektiv motilitetsbedömning av upptinad sperma från finska Ayrshire semintjurar i relation till icke omlöparprocenten

Acta Veterinaria Scandinavica volume 33, pages 89–93 (1992)Cite this article

Abstract

A semen analyser (Lazymot), was used to evaluate post-thaw motilities in 296 batches of semen from 74 Ayrshire bulls used for artificial insemination (AI). Motility was also assessed subjectively. A significant correlation was observed between assessments of motility using the Lazymot analyser and the subjective assessments. There was no correlation between post-thaw motility assessments and non-return rates in relation to the batches examined, which met Finnish criteria for use in AI. This suggests that criteria for post-thaw semen motility should not be increased beyond the present requirement for 40% motile spermatozoa.

Sammanfattning

En sperma-analysator (Lazymot), användes till att undersöka 296 upptinade frysoperationer av sperma från 74 semintjurar av Ayrshire ras. De upptinade spermadosernas motilitet bedömdes också subjektivt. Sperma-analysatorns motilitetsvärden var signifikant korrelerade till den subjektiva motilitetsbedömningens värden.

Varken sperma-analysatorns eller den subjektiva bedömningens motilitetsvärden var korrelerade till icke omlöparprocenten i denna studie bestående av selekterade frysoperationer.

Detta resultat visar att krav på högre spermamotilitet än 40% på djupfryst tjursperma inte är motiverade.

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Authors and Affiliations

  1. Department of Obstetrics and Gynaecology, College of Veterinary Medicine, Hautjärvi, Agricultural Data Processing Centre Ltd., Vantaa, Finnish Central Artificial Insemination Association, Vantaa and Tampere Artificial Insemination Society, SF-04840, Tampere, Hautjärvi, Finland

    M. Andersson, T. Hellman, B.-G. Holmström & L. Jokinen

Authors
  1. M. Andersson
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  2. T. Hellman
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  3. B.-G. Holmström
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  4. L. Jokinen
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Andersson, M., Hellman, T., Holmström, BG. et al. Computerized and Subjective Assessments of Post-thaw Motility of Semen from Finnish Ayrshire AI Bulls in Relation to Non-return Rates. Acta Vet Scand 33, 89–93 (1992). https://doi.org/10.1186/BF03546939

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Acta Veterinaria Scandinavica

ISSN: 1751-0147