Researches regarding the influence of royal jelly on sex reversal in zebra fishes (Danio rerio).
Journal Title: Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society - Year 2010, Vol 3, Issue 3
Abstract
In this study we observed the influence of royal jelly on sex reversal in zebra fishes (Danio rerio). Experiments were made in the laboratories of aquaculture from Faculty of Animal Science and Biotechnologies, Timișoara in the period 01.03.2010 – 15.05.2010 on 225 individuals. The dinamics of standard body weight, the standard length and the maximum body high at all individuals from tree experimental variants were evaluated. It was indentified the number of males and females by direct examination of the body and microscopic observation of histological samples. In the first experimental variant the food was mixed with 0.02 g powdered royal jelly and recorded at the end of the experiment 70.76% females and 29.24% males. In the second experimental variant, a double dose of powdered royal jelly was mixed in the feed, this leading to the increasing of females in the group to 81,19%. In the control variant the percentage of females was 50.7% and the percentage of males was 49.3%.
Authors and Affiliations
Silvia Patruică, Adrian Grozea, Gabi Dumitrescu, Ioan Bănăţean-Dunea, Liliana Ciochină, Marioara Nicula, Adriana Dăianu, Szidonia Szucs, Boca Liliana
Keywords
Related Articles
- EP ID EP97137
- DOI -
- Views 95
- Downloads 0
Effect of EDTA on reducing tissue cadmium bioaccumulation and cadmium antagonism related to some mineral micro- and macronutrients in Prussian carp (Carassius gibelio).
EDTA is a chelating agent used deliberately in various fields (pulp and paper industry, detergents industry, food industry, medicine, biomedical labs) in order to sequester metal ions which have harmful effects in many p...
Growth rate of the chub (Squalius cephalus) and the nase (Chondrostoma nasus) from Raba, Dunajec, and Poprad River
In presented study growth rate of the chub Squalius cephalus and nase Chondrostoma nasus from Raba, Dunajec, and Poprad River were investigated using a back-scaling method. A total number of 167 chubs and 186 nases were...
PCR detection of white spot syndrome virus (WSSV) from farmed Pacific white shrimp (Litopenaeus vannamei) in selected sites of the Philippine
Great losses caused by white spot syndrome virus (WSSV) in shrimp culture have been attributed to poor screening procedures in farms and the lack of sufficient access to specific pathogen free brood stock. Thus, early...
Swollen hindgut syndrome (SHG) of tiger shrimp Penaeus monodon (Crustacea, Malacostraca, Penaeidae) post larvae: Identification of causing pathogenic bacteria and their sensitivity to some antibiotics.
Swollen Hindgut syndrome (SHG) of black tiger shrimp Penaeus monodon Fabricius, 1798 post larvae has been reported from Bangladesh shrimp hatcheries in recent years. At present SHG is a budding problem c...
Boldness, aggression and exploration: evidence for a behavioural syndrome in male pentamorphic livebearing fish, Poecilia parae
A body of evidence is being accumulated on consistent individual differences in behaviour for several animal taxa. Individuals of these species exhibit different levels of risk during competition over limited resources,...