Is it possible to solve the problem of iodine deficiency in Crimea using green macroalgae Cladophora in animal husbandry? (review)
https://doi.org/10.30766/2072-9081.2025.26.5.945-962
Abstract
Approximately 68 % of the world’s population suffers from iodine deficiency, and more than 70 % of Russia’s territory, including Crimea, is classified as an iodine-deficient area. Salt iodination only does not solve this problem and has a number of negative effects. The review examines factors that cause the development of iodine deficiency in soils and fresh water. It is shown that climate aridity contributes to the development of the element deficiency in the environment. In water, iodine content positively correlates with salinity. Seaweeds, especially brown algae, have long been used to combat iodine deficiency. However, to overcome the problem of iodine deficiency it is more suitable to use green macroalgae from saline and hypersaline waters, having great potential as fertilizers, food and fodder additives. In hypersaline water bodies filamentous algae Cladophora have a high content of biomass – 2.25 kg dry mass/m2 and have great productivity – up to 1 kg (dry mass)/m2 /week, which is two orders of magnitude higher than that of terrestrial plants and significantly more than that of brown algae. The experimental data on the use of a feed additive from Cladophora (1 % of the diet) in feeding rabbits, chickens, and other animals are summarized. Calculations are made showing that the natural resources of green filamentous algae Cladophora, which have enormous productivity, are quite sufficient to solve the problem of iodine deficiency.
Supporting agencies: The study was supported by the Russian Science Foundation, grant № 24-66-00001, https://rscf.ru/project/24-66-00001/
About the Authors
N. V. Shadrin
A. O. Kovalevsky Institute of Biology of the Southern Seas of RAS
Russian Federation
Russian Federation
Nickolai V. Shadrin, PhD in Biological Science, associate professor, leading researcher, the Laboratory of Extreme Ecosystems,
2 Nakhimov ave., Sevastopol, 299011
E. V. Anufriieva
A. O. Kovalevsky Institute of Biology of the Southern Seas of RAS
Russian Federation
Russian Federation
Elena V. Anufriieva, DSc in Biological Science, Head of the Laboratory of Extreme Ecosystems,
2 Nakhimov ave., Sevastopol, 299011
P. S. Ostapchuk
Research Institute of Agriculture of Crimea;
A. O. Kovalevsky Institute of Biology of the Southern Seas of RAS
Russian Federation
Russian Federation
Pavel S. Ostapchuk, PhD in Agricultural Science, leading researcher, the Department of Field Crops, 150, Kievskaya str, Simferopol, Russian Federation, 295043;
2 Nakhimov ave., Sevastopol, 299011
A. V. Prazukin
A. O. Kovalevsky Institute of Biology of the Southern Seas of RAS
Russian Federation
Russian Federation
Alexander V. Prazukin, DSc in Biological Science, leading researcher, the Laboratory of Extreme Ecosystems,
2 Nakhimov ave., Sevastopol, 299011
D. V. Zubochenko
Research Institute of Agriculture of Crimea
Russian Federation
Russian Federation
Denis V. Zubochenko, PhD in Biological Science, Deputy Director for Production and Implementation of Innovative Developments,
150, Kievskaya str, Simferopol, 295043
T. A. Kuevda
Research Institute of Agriculture of Crimea;
A. O. Kovalevsky Institute of Biology of the Southern Seas of RAS
Russian Federation
Russian Federation
Tatyana A. Kuevda, PhD in Biological Science, senior researcher, the Department of Field Crops, 150, Kievskaya str, Simferopol, 295043;
2 Nakhimov ave., Sevastopol, 299011
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Shadrin N.V., Anufriieva E.V., Ostapchuk P.S., Prazukin A.V., Zubochenko D.V., Kuevda T.A. Is it possible to solve the problem of iodine deficiency in Crimea using green macroalgae Cladophora in animal husbandry? (review). Agricultural Science Euro-North-East. 2025;26(5):945-962. (In Russ.) https://doi.org/10.30766/2072-9081.2025.26.5.945-962
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