n-3 HUFA have been used as feed in rnass cultivation of fish larva.2'5i Recentlydocosahexaenoicacid(DHA)wasrepertedtobethernosteffective n-3 HUFA for the growth of fish fry,6'7) but there is no known method to enrich zooplankton specifically with DHA, In this paper we report on enriching Euglena gracilis with eicosapentaenoic acid (EPA) and DHA, E. gracitis cells are about SO"m in size, contain...

Preliminary experiments were carried out on the growth of killifish, Aphanius dispar. The motivation of the study was to obtain information for growing the fish on a commercial scale for their use as biological control agents of mosquito larvae. Growth of fry in the laboratory was found to be exponential, where the degree of variance in size among the fry increased with age. Grading the fry was...

The experiment was conducted to optimize the dose of 17α-methyl testosterone (MT) during masculinization of tilapia (Oreochromis niloticus) fry. Five treatments were designed with various doses of hormone to find out the most effective one. The treatments were designated as T1 (0 mg MT/kg), T2 (40 mg MT/kg), T3 (50 mg MT/kg), T4 (60 mg MT/kg) and T5 (70 mg MT/kg). MT was administered orally by ...

This article presents materials on the results of an experiment enrichment Artemia salina with unicellular alga Haematococcus pluvialis to increase its nutritional value. For fry marine fish, such as mullet and kalkana, freshwater clary catfish, carp trout, supply fatty acids energy value is still insufficient. Therefore, it necessary enrich brine shrimp additional nutrients The use a component...

Following the results of quantitative assessment in Malaya Khusi river, total number seaward migrating pink salmon fry was 0,22 mln. Extremely low is due to unfavorable environmental conditions during embryonic and larval development. Seaward migration started 10 days later relative long-term average. Previously, alevins, physiologically unprepared for sea, were washed out from ground affected ...

3 Authors: Michael A. Trevino, Trent J. Herda, Andrew C. Fry, Philip M. Gallagher, John P. 4 Vardiman, Eric M. Mosier, and Jonathan D. Miller 5 6 1 Neuromechanics Laboratory, University of Kansas, Lawrence, Kansas, 2 Applied Physiology 7 Laboratory, University of Kansas, Lawrence, Kansas, 3 Applied Physiology and Sports Medicine 8 Laboratory, Kansas State University, Manhattan, Kansas 9 10 Emai...

This work was carried out to verify the effect of a glyphosate-based herbicide on Jundiá hormones (cortisol, 17β-estradiol and testosterone), oocyte and swim-up fry production. Earthen ponds containing Jundiá females were contaminated with glyphosate (3.6mg/L); blood samples were collected from eight females from each treatment immediately before, or at 1, 10, 20, 30 and 40 days following conta...