<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The aim of the study was to determine the concentration and motility of sperm and the osmotic pressure and total protein in the seminal plasma of pikeperch, <italic>Sander lucioperca</italic> (L.). The samples investigated were milt from males held under various rearing conditions (ponds, tanks of a closed recirculating systems, cages). The highest percentage of motile sperm was noted in the semen samples from males held in basins, while the lowest percentage of motile sperm and the highest protein content was confirmed in the samples from spawners held in ponds. Sperm motility and the osmolality of the seminal plasma were low in all the spawner groups; this may indicate contamination with urine. As the content of protein rose in the plasma and the sperm concentration increased, so did their motility.</p></abstract>

The aim of the study was to determine the concentration and motility of sperm and the osmotic pressure and total protein in the seminal plasma of pikeperch, Sander lucioperca (L.). The samples investigated were milt from males held under various rearing conditions (ponds, tanks of a closed recirculating systems, cages). The highest percentage of motile sperm was noted in the semen samples from males held in basins, while the lowest percentage of motile sperm and the highest protein content was confirmed in the samples from spawners held in ponds. Sperm motility and the osmolality of the seminal plasma were low in all the spawner groups; this may indicate contamination with urine. As the content of protein rose in the plasma and the sperm concentration increased, so did their motility.

Description of Pikeperch, <italic>Sander Lucioperca</italic> (L.), Semen Obtained from Males Held Under Different Rearing Conditions

Department of Molecular Andrology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland

Department of Ichthyology, Faculty of Environmental Sciences and Fisheries, University of Warmia and Mazury, Olsztyn, Poland

Department of Lake and River Fisheries, Faculty of Environmental Sciences and Fisheries, University of Warmia and Mazury, Olsztyn, Poland

Fisheries & Aquatic Life

Description of Pikeperch,  (L.), Semen Obtained from Males Held Under Different Rearing Conditions

The aim of the study was to determine the concentration and motility of sperm and the osmotic pressure and total protein in the seminal plasma of pikeperch,...

Description of Pikeperch, Sander Lucioperca (L.), Semen Obtained from Males Held Under Different Rearing Conditions

Pubblicato online: 30 dic 2008

Pagine: 93 - 100

DOI: https://doi.org/10.2478/s10086-008-0008-2

Parole chiave
Pikeperch, Milt, HCG, Seminal Plasma, Contaminated Semen

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