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The goal of the research was to evaluate DNA disintegration in boar sperm, which had been diluted at 18ºC in a standard semen diluter to guarantee its usability for insemination purposes for a period of 72 hours from the moment of sampling and diluting. Integrity assessment was carried out twice (i.e. immediately after the sperm had been diluted and brought to 18ºC, and in the 72nd hour) in fall,...
Assessing the shape of sperm morphology is an important part of semen and breeding soundness analysis used in the controlled reproduction of pigs. In long-term semen storage (up to 10 days) and in positive temperatures (16-18°C), even a small rise in percentage of impaired semen diagnosed in the process of semen collection, especially semen with primary defects, reduces their ability to achieve fertilization...
Materiał stanowiły dane dotyczące 29 578 ejakulatów pobranych od 250 knurów czystorasowych, w tym 46 knurów rasy wbp, 163 knurów rasy pbz, 15 knurów rasy duroc i 26 knurów rasy pietrain, użytkowanych w latach 1993-2007 w Stacji Unasieniania Loch w Teodorowie. Ejakulaty pobierano metodą manualną w odstępach co 4-5 dni. Każdy ejakulat poddano ocenie, ustalając następujące cechy fizyczne: objętość ejakulatu,...
The morphological picture of spermatozoon from Black-White bulls housed in different environmental conditions was investigated. Obtained results indicate, that the industrial pollutions could have an impact on the significant elevation of spermatozoon, in which the primary and secondary defects were found. Another factor influencing the proportion of pathological forms of spermatozoa was the season...
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