Semen biology of vendace (<Emphasis Type="Italic">Coregonus albula</Emphasis> L.) |
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| Authors: | Grzegorz J Dietrich Mariola Dietrich Piotr Hliwa Robert Stabinski Joanna Nynca Aneta Andronowska Andrzej Ciereszko |
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| Institution: | (1) Department of Semen Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-747 Olsztyn, Poland;(2) Department of Ichthyology, Warmia and Mazury University, 10-718 Olsztyn-Kortowo, Poland;(3) Fisheries Station of the Polish Angling Association, 16-400 Suwałki, Poland;(4) Department of Reproductive Histophysiology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-747 Olsztyn, Poland; |
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| Abstract: | The objective of this study was to describe the morphometry and motility parameters of vendace (Coregonus albula) spermatozoa. Morphometric parameters of vendace sperm head and tail were of values similar to rainbow trout. The effects
of pH, sodium, potassium and calcium ion concentrations on computer-assisted sperm analysis (CASA) sperm motility characteristics
were tested. Vendace sperm was motile in a wide pH range of 6.0–10.5 with the optimum pH established at 9.0. Increases in
potassium and calcium ions caused decreases in the percentage of motile sperm. The CASA parameters and erratic sperm movement
pattern of vendace spermatozoa were similar to whitefish (C. lavaretus) sperm motility, suggesting that there is a coregonid-specific sperm motility pattern. |
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