Turkish Journal of Fisheries and Aquatic Sciences
2019, Vol 19, Num, 9 (Pages: 719-726)
Сomparative Characteristics of Indices to Assess the Quality of Mussel Production by an Example of Cultivated Mytilus galloprovincialis (Сrimea, the Вlack Sea)
Natalya Stanislavovna Chelyadina 1 ,Natalya Valerievna Pospelova 1 ,Mark Aleksandrovich Popov 1
1 Kovalevsky Institute of Marine Biological Research, Russian Academy of Sciences, Aquaculture and Marine Pharmacology, Sevastopol, Russian Federation
DOI :
10.4194/1303-2712-v19_9_01
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Some indices (the condition index, the state index, the condition factor, the meat
yield index and gonadosomatic index) were tested and compared to estimate the
degree of shell filling with meat for cultivated M. galloprovincialis from (Crimea). The
peaks of values of the the state index, the condition factor and the meat yield index
had noted in September (150±8.8%, 3.6±0.2%, 35.8±2.2%, respectively). All the
indices can be used as indicators of quality of mussel production. If using
gonadosomatic index to defend optimal harvest time for M. galloprovincialis
cultivated it is shown that mollusks reaches commercial quality at gonadosomatic
index >8.5. The meat yield index has been proposed as easy and handy for assessing
the degree of shell filling with meat. Mussels acquire optimal commercial quality if
the meat yield index is more than 20%. It has been shown the total weight of ten
mussels it is enough for convenient determination of the meat yield index.
Harvesting time depends on environmental factors and marine farm location. It is
rational to collect M. galloprovincialis all year round, except for December and March
at the north of the Black Sea (Crimea).
Keywords :
Mariculture, Condition Index, State index, Condition factor, Meat yield index