Qualitative traits of rams´ semen in the Czech autochthonous breeds Sumava and Wallachia sheep

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F09%3A28954" target="_blank" >RIV/60460709:41210/09:28954 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Qualitative traits of rams´ semen in the Czech autochthonous breeds Sumava and Wallachia sheep
Original language description
The semen quality of 50 Sumava (n=33) and Wallachia rams (n=17) in 8 herds were evaluated during the mating seasons from 2005 to 2008. Sperm volume, motility, and density were evaluated after collection, and the motility was estimated repeatedly after dilution and during a survival test (30, 60, and 90 minutes, 39+1o C). The results were evaluated by the SAS GLM procedure. Wallachia rams achieved better results of sperm quality after collection and dilution; however, Sumava rams had higher sperm motility during the entire survival test (P < 0.05). The highest results of sperm motility before and after dilution were detected in semen with a high or very high level of density (P < 0.05). The survival of the sperm during the test significantly differed inrelation to density before diluting (P < 0.05). Relationships among sperm motility before and after diluting and during the entire survival test were confirmed by Pearson´s correlation coefficients, r=0.7637 - r=0.9191 (P < 0.001). The o
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
GG - Zootechnics
OECD FORD branch
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Project
<a href="/en/project/QH81324" target="_blank" >QH81324: Development and utilization of biotechnology methods in reproduction small ruminants.</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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