@article{article_380946, title={EFFECT OF DIFFERENT DIETS ON GROWTH PERFORMANCE AND SURVIVAL OF EUROPEAN PERCH (Perca fluviatilis L.) CULTIVATED IN RECIRCULATING SYSTEM DURING TRANSITION FROM LIVE FOOD TO FORMULATED FEED}, journal={Aquatic Research}, volume={1}, pages={12–17}, year={2018}, DOI={10.3153/AR18002}, author={Zhelyazkov, Georgi İvanov}, keywords={Artificial feeding,Perca fluviatilis L.,Live feeds,Growth,Survival,Weaning}, abstract={<p class="MsoNormal" style="margin-top:6pt;margin-right:21.85pt;margin-bottom:3pt;margin-left:14.2pt;text-align:justify;"> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">The purpose of the </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">present </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">study was to determine the influence of three diff </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">e </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">rent </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">feeding methods on the growth performance and survival rate of European </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">perch ( <i>Perca fluviatilis </i> </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us"> L. </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">) </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb"> </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">cultivated in recirculating system during </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">its </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb"> transition from natural food to pelleted feed. </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">During the transition from natural food to formulated diet, the feed of the fish from group A was supplemented by chopped earthworms, while that of group B - with frozen bloodworms. The perch from group C were fed dough-like feed, obtained by adding of liquid betaine. </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">The final body weight of the perch from the three groups was as follows: </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us"> </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">A <sub> </sub> </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">- 18.99 ±5.73 g, </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">B <sub> </sub> </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">- 18.49 ±5.30 g and </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">C </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">- 18.06 ±5.14 g </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us">, as the differences were not significant </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">(P>0.05). </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us"> Similarly, in regard to the survival rate, the groups did not differ. The FCR in the group fed earthworms was 1.05 ±0.02 and it was lower than that of the groups receiving bloodworms and betaine in the diet by 1.11 ±0.02 and 1.30 ±0.06 respectively. Significant influence of the method of feeding (Р≤0.001) was found in regard to this trait </span> <span lang="en-gb" style="font-size:9pt;" xml:lang="en-gb">. </span> <span lang="en-us" style="font-size:9pt;" xml:lang="en-us"> </span> </p> <p> </p>}, number={1}, publisher={Nuray ERKAN ÖZDEN}