DIETARY SUPPLEMENTATION WITH TURMERIC POWDER: IMPACT ON FEED CONVERSION RATIO IN CAGE-CULTURED COMMON CARP (CYPRINUS CARPIO)
Irina Manevska
Institute of Animal and Fishery Science, Ss. Cyril and Methodius University in Skopje, Blvd. Ilinden 92a, 1000 Skopje, North Macedonia
inst.stoc.manevska@gmail.com
Marija Kostova
Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University in Skopje, Arhimedova 3, 1000 Skopje, North Macedonia
Vasil Kostov
Institute of Animal and Fishery Science, Ss. Cyril and Methodius University in Skopje, Blvd. Ilinden 92a, 1000 Skopje, North Macedonia
This study investigated the effect of dietary supplementation with turmeric powder (Curcuma longa L.) on the feed conversion ratio (FCR) of common carp (Cyprinus carpio) reared in an intensive cage system. The experiment lasted 92 days and included two groups: K5 (feed supplemented with 2% turmeric powder per kg) and K8 (control group, commercial feed without additives). FCR was monitored across three control measurements. The results showed that carp fed with the turmeric-supplemented diet (K5) achieved a consistently lower mean FCR compared to the control group (K8), indicating improved feed utilization efficiency. The biological trend clearly demonstrated the beneficial impact of turmeric on feed conversion. These findings suggest that turmeric acts as an effective natural phytogenic additive capable of enhancing feed efficiency and potential factor sustainable carp production.
Keywords: Curcuma longa; common carp; feed conversion ratio; phytogenic additives; intensive cage system
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Language:
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English and Macedonian
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Pages:
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5–10
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Number of references:
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25
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References:
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