Electronic Journal of Polish Agricultural Universities (EJPAU) founded by all Polish Agriculture Universities presents original papers and review articles relevant to all aspects of agricultural sciences. It is target for persons working both in science and industry,regulatory agencies or teaching in agricultural sector. Covered by IFIS Publishing (Food Science and Technology Abstracts), ELSEVIER Science - Food Science and Technology Program, CAS USA (Chemical Abstracts), CABI Publishing UK and ALPSP (Association of Learned and Professional Society Publisher - full membership). Presented in the Master List of Thomson ISI.

Copyright © Wydawnictwo Akademii Rolniczej we Wroclawiu, ISSN 1505-0297

Jezierska B. , Witeska M. 1999. THE EFFECT OF TIME AND TEMPERATURE ON MOTILITY OF SPERMATOZOA OF COMMON AND GRASS CARP, EJPAU 2(2), #04.
Available Online: http://www.ejpau.media.pl/volume2/issue2/fisheries/abs-04.html

ABSTRACT

The sperm collected from common and grass carp males was stored at 5^oC, and activated with water of various temperatures (20, 26, and 30^oC). Time of spermatozoa motility was measured. Motility decreased with time after milt collection. Common carp spermatozoa were active longer, up to 70–80 s. In most series their activity was reduced after 24 hours. Spermatozoa of grass carp were active up to 30–55 s, and their motility shortened already in 8 hours post collection. After 24 hours they were motile less than 10 s. The effect of temperature of activation was observed – the spermatozoa were active for the longest time at 20^oC. Spermatozoa motility time was also affected by temperature of storage. Even short–term (15 min) keeping spermatozoa at 20^oC shortened their motility time in both species, and after 2 hour storage common carp sperm motility was reduced by about 50%. Storage or acclimation at high temperature reduced also spermatozoa viability (ability to undertake

Key words: common carp, grass carp, spermatozoa motility, temperature..

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