EFFECT OF MICRONUTRIENT SUPPLEMENTATION IN THE DIET OF FEMALE CARPS IN PRESPAWING PERIOD ON LIPID IN THE CAVIAR AND LARVAE OBTAINED FROM THEM

Authors

DOI:

https://doi.org/10.31548/dopovidi2017.02.022

Keywords:

carp, caviar, larve, lipids, phospholipids, cholesterol, iodine, zink, selenium

Abstract

The study was conducted on 2 groups of carp 5 years age, which by the principle of analogues were divided into control and experimental groups of 10 individuals in each. Fish kept in special trays under conditions of continuous closed system of water circulation. Temperature was maintained at20 °C. Fishes control group fed for 30 days granulated feed (fish meal, soybean meal, wheat, corn, oil). The female carp of research group also fed similar feed, but with the addition of iodine, zinc and selenium in the form of potassium iodide in the dose of 5 mg / kg, zinc sulfate - 40 mg / kg and sodium selenite - 0.3 mg / kg feed. At the end of the experiment from fish control and experimental group took samples of eggs and larvae derived from them for research in lipid composition.

Higher content of total lipids on the level 4.96g% in the caviar and lower content in the larve – 1.66 g% in control group were constant. Feeding female carp in the experimental group in prespawing period with mineral supplements diet causes increase of total lipids (p < 0.01-0.001) and phospholipids (p < 0.001) in caviar and larvae derived from them. Thus, in the studied samples proportional reduction (p < 0.05-0,001) content of free fatty acids, triacylglycerol and efirlinked cholesterol was fixed.

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Published

2017-04-21

Issue

No. 2 (66) (2017)

Section

Veterinary medicine, quality and safety of livestock products

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