Published in Scientific Papers. Series D. Animal Science, Vol. LXIII, Issue 1
Written by Lyudmila NIKOLOVA, Stanimir BONEV
A comparative analysis of indicators related to the meat production of a male Sterlet at the age of six and sevensummers raised on an industrial cage farm located in Southeastern Bulgaria was performed in the study. The slaughteryield and meat quantities, as well as indices relating to the exterior and interior of the fish, were calculated. Older fishhave been found to be significantly heavier than younger ones, but age does not significantly affect the weight ofindividual body parts and exterior dimensions. It is a reliable source of variation only on the relative proportion offillets without the abdomen in the cleaned carcass. The difference in favor of younger fish was 8.2% (p≤0.05). Fish ofdifferent ages do not differ significantly in the indexes related to exterior, interior and fatness. A significant differencein favor of younger fish (p≤0.05) was found only on the spleen-somatic index.
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