Characteristics of diluted-stored and post-thawed semen of Hutsul stallions

Bugno-Poniewierska, Monika and Kij-Mitka, Barbara and Podstawski, Zenon and Długosz, Bogusława and Lasek, Olga and Mrowiec, Patrycja and Tischner, Marian (2022) Characteristics of diluted-stored and post-thawed semen of Hutsul stallions. ACTA VETERINARIA HUNGARICA, 70 (1). pp. 51-57. ISSN 0236-6290

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Abstract

The use of frozen semen lowers the risk of disease transmission, eliminates geographical limitations and supports the implementation of genetic resource protection programs. However, due to the very rare use of frozen semen from Hutsul stallions, their genetic material is not secured in sperm banks, and very little information is available about their semen, including its suitability for cryopreservation, and sperm survival rates after thawing. The aim of this study was to analyse basic parameters such as sperm motility, vitality and morphology in diluted-stored and post-thawed Hutsul semen, using a CASA system. There were no differences in sperm motility (P = 0.3372) or morphology between the groups, although the progressive motility was higher in thawed semen (P = 0.0151), while the sperm vitality was higher in diluted-stored semen (P = 0.00517). This study demonstrates that semen from Hutsul horses is suitable for cryopreservation, thus supporting the creation of a sperm bank as a genetic reserve for representatives of this breed.

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