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@article{1784498,
author = {Chen, Liang and Giesy, John Paul and Adamovský, Ondřej and Svirčev, Zorica and Meriluoto, Jussi and Codd, Geoffrey A. and Mijovic, Biljana and Shi, Ting and Tuo, Xun and Li, ShangandChun and Pan, BaoandZhu and Chen, Jun and Xie, Ping},
article_location = {Amsterdam},
article_number = {April 2021},
doi = {http://dx.doi.org/10.1016/j.scitotenv.2020.142319},
keywords = {Microcystis; Microcystin; Feed; Nutrition; Toxicity; Cyanotoxin; Antidote; Hazardous algal bloom; Cyanobacteria; Blue-green algae},
language = {eng},
issn = {0048-9697},
journal = {Science of the Total Environment},
title = {Challenges of using blooms of Microcystis spp. in animal feeds: A comprehensive review of nutritional, toxicological and microbial health evaluation},
url = {https://www.sciencedirect.com/science/article/pii/S0048969720358484?via%3Dihub},
volume = {764},
year = {2021}
}
TY - JOUR
ID - 1784498
AU - Chen, Liang - Giesy, John Paul - Adamovský, Ondřej - Svirčev, Zorica - Meriluoto, Jussi - Codd, Geoffrey A. - Mijovic, Biljana - Shi, Ting - Tuo, Xun - Li, Shang-Chun - Pan, Bao-Zhu - Chen, Jun - Xie, Ping
PY - 2021
TI - Challenges of using blooms of Microcystis spp. in animal feeds: A comprehensive review of nutritional, toxicological and microbial health evaluation
JF - Science of the Total Environment
VL - 764
IS - April 2021
SP - 1-23
EP - 1-23
PB - Elsevier Science
SN - 00489697
KW - Microcystis
KW - Microcystin
KW - Feed
KW - Nutrition
KW - Toxicity
KW - Cyanotoxin
KW - Antidote
KW - Hazardous algal bloom
KW - Cyanobacteria
KW - Blue-green algae
UR - https://www.sciencedirect.com/science/article/pii/S0048969720358484?via%3Dihub
N2 - Microcystis spp., are Gram-negative, oxygenic, photosynthetic prokaryotes which use solar energy to convert carbon dioxide (CO2) and minerals into organic compounds and biomass. Eutrophication, rising CO2 concentrations and global warming are increasing Microcystis blooms globally. Due to its high availability and protein content, Microcystis biomass has been suggested as a protein source for animal feeds. This would reduce dependency on soybean and other agricultural crops and could make use of "waste" biomass when Microcystis scums and blooms are harvested. Besides proteins, Microcystis contain further nutrients induding lipids, carbohydrates, vitamins and minerals. However, Microcystis produce cyanobacterial toxins, induding microcystins (MCs) and other bioactive metabolites, which present health hazards. In this review, challenges of using Microcystis blooms in feeds are identified. First, nutritional and toxicological (nutri-toxicogical) data, including toxicity of Microcystis to mollusks, crustaceans, fish, amphibians, mammals and birds, is reviewed. Inclusion of Microcystis in diets caused greater mortality, lesser growth, cachexia, histopathological changes and oxidative stress in liver, kidney, gill, intestine and spleen of several fish species. Estimated daily intake (EDI) of MCs in musde of fish fed Microcystis might exceed the provisional tolerable daily intake (TDI) for humans. 0.04 mu g/kg body mass (bm)/day, as established by the World Health Organization (WHO), and is thus not safe. Musde of fish fed M. aeruginosa is of low nutritional value and exhibits poor palatability/taste. Microcystis also causes hepatotoxicity, reproductive toxicity, cardiotoxicity, neurotoxicity and immunotoxidty to mollusks, crustaceans, amphibians, mammals and birds. Microbial pathogens can also occur in blooms of Microcystis. Thus, cyanotoxins/xenobiotics/pathogens in Micmcystis biomass should be removed/degraded/inactivated sufficiently to assure safety for use of the biomass as a primary/main/supplemental ingredient in animal feed. As an ameliorative measure, antidotes/detoxicants can be used to avoid/reduce the toxic effects. Before using Microcystis in feed ingredients/supplements, further screening for health protection and cost control is required.
ER -
CHEN, Liang, John Paul GIESY, Ondřej ADAMOVSKÝ, Zorica SVIRČEV, Jussi MERILUOTO, Geoffrey A. CODD, Biljana MIJOVIC, Ting SHI, Xun TUO, Shang-Chun LI, Bao-Zhu PAN, Jun CHEN a Ping XIE. Challenges of using blooms of Microcystis spp. in animal feeds: A comprehensive review of nutritional, toxicological and microbial health evaluation. \textit{Science of the Total Environment}. Amsterdam: Elsevier Science, 2021, roč.~764, April 2021, s.~1-23. ISSN~0048-9697. Dostupné z: https://dx.doi.org/10.1016/j.scitotenv.2020.142319.
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