Diet enriched with new varieties of transgenic flax improves quality of fresh and conserved boar semen
Wiesław Bielas , Jan Szopa-Skórkowski , Agnieszka Partyka , Agnieszka Antończyk , Wojciech Niżański , Krzysztof Janeczko
AbstractA traditional pig-diet based on cereal grains favors the synthesis of n-6 over n-3 polyunsaturated fatty acids (9PUFAs),which negatively affects the quality of sperm. Flax seeds are a major source of linolenoic acid (ALA), a precursor of n-3PUFAs. It appears that pigs can metabolize ALA andconvert it to other PUFAs. Seeds of new varieties offlax have anincreased ability to protect ALA they contain due to the high amount of natural antioxidants. The aim of this study was todetermine the effect of feed supplemented with the new varieties offlax seeds on the quality of fresh and preserved boarsemen.The study was conducted on 12 boars that had semen lowered quality before the experiment. For 12 weeks, the boars were fed astandard diet supplemented with 10% of linseed meal. Ejaculates collected prior to dietary supplementation were used asthe controls. After 12 weeks of feeding the boars' fresh and liquid preserved ejaculates were evaluated: macroscopically,microscopically, by CASA, cytometry (viability, acrosome integrity, mitochondrial membrane potential) and chemical analysis(evaluation of membrane lipid peroxidation).Supplementation offlax meal to the boars' feed has improved the quality of both fresh and preserved semen, namely the motility,VCL, LIN, ALH, the percentage of intact sperm, the percentage of sperm with no morphological changes, concentration andinhibited agglutination. It was likely due to lowering the degree of lipid oxidation in spermatozoa.
|Journal series||Reproductive Biology, ISSN 1642-431X, (A 15 pkt)|
|Publication size in sheets||0.3|
|Conference||2nd Joint German-Polish Conference on Reproductive Medicine, 27-02-2013 - 01-03-2013, Gdańsk, Polska|
|ASJC Classification||; ;|
|Publication indicators||: 2013 = 0.63; : 2013 = 1.048 (2) - 2013=1.479 (5)|
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