EJPAU 2009. Czerniawski R. , Domagała J. , Pilecka-Rapacz M. REARING OF SEA TROUT FRY (<I>SALMO TRUTTA</I> <I>TRUTTA</I> L.) – AS POTENTIAL STOCKING MATERIAL, WITH LIVING ZOOPLANKTON AND DRY PREPARED FOOD

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.

2009
Volume 12
Issue 4

Topic:

Fisheries

ELECTRONIC
JOURNAL OF
POLISH
AGRICULTURAL
UNIVERSITIES

Czerniawski R. , Domagała J. , Pilecka-Rapacz M. 2009. REARING OF SEA TROUT FRY (SALMO TRUTTA TRUTTA L.) – AS POTENTIAL STOCKING MATERIAL, WITH LIVING ZOOPLANKTON AND DRY PREPARED FOOD, EJPAU 12(4), #14.
Available Online: http://www.ejpau.media.pl/volume12/issue4/abs-14.html

REARING OF SEA TROUT FRY (SALMO TRUTTA TRUTTA L.) – AS POTENTIAL STOCKING MATERIAL, WITH LIVING ZOOPLANKTON AND DRY PREPARED FOOD

Robert Czerniawski, Józef Domagała, Małgorzata Pilecka-Rapacz
Department of General Zoology, University of Szczecin, Szczecin, Poland

ABSTRACT

The study was performed in three variants with the fry
fed only on zooplankton, on mixed diet of zooplankton and dry food and only on
dry food. The best parameters of growth were obtained for the fry fed on mixed
diet and they were significantly bigger from those obtained for the fry fed on
zooplankton. The survival of all variants was very good, however fry fed only
on dry prepared diet survived in smallest amount. Fry fed on living zooplankton
developed the behaviour typical of predators, observed already from the second
day of feeding, that is fast attack to prey, in contrary to fry fed on dry prepared
diet. These fish collected food mainly from the bottom of the tank and showed
increased mobility only at the moment of food supply.

Key words: hatchery rearing, fry, Salmo trutta trutta, stocking, survival.

Robert Czerniawski
Department of General Zoology, University of Szczecin, Szczecin, Poland
Z. Felczaka 3C
71-412 Szczecin
Poland
phone: +48 91 444 16 24
email: czerniawski@univ.szczecin.pl

Józef Domagała
Department of General Zoology, University of Szczecin, Szczecin, Poland
Z. Felczaka 3C
71-412 Szczecin
Poland
phone: +48 91 444 16 24
email: jozef.domagala@univ.szczecin.pl

Małgorzata Pilecka-Rapacz
Department of General Zoology, University of Szczecin, Szczecin, Poland
Z. Felczaka 3C
71-412 Szczecin
Poland
phone: +48 91 444 16 24

Responses to this article, comments are invited and should be submitted within three months of the publication of the article. If accepted for publication, they will be published in the chapter headed 'Discussions' and hyperlinked to the article.