Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp.

Abstract Enteric bacteria such as Escherichia coli and Salmonella spp. are significant fish pathogens and related to thousands of cases of food-borne diseases every year in human. Since aquatic environments are reservoirs of these pathogens, they may contaminate the food fish and result in outbreaks...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Ferdous, Jannatul [verfasserIn] Khan, Mohammed Nurul Absar Rahman, Md. Khalilur Kamal, Md. Reza, Md. Shaheed

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Aqua chemicals Agricultural lime Bacterial load Pathogen

Anmerkung:	© The Author(s) 2023

Übergeordnetes Werk:	Enthalten in: Applied water science - Berlin : Springer, 2011, 13(2023), 4 vom: 17. März
Übergeordnetes Werk:	volume:13 ; year:2023 ; number:4 ; day:17 ; month:03

Links:	Volltext

DOI / URN:	10.1007/s13201-023-01894-6

Katalog-ID:	SPR049728474

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allfields	10.1007/s13201-023-01894-6 doi (DE-627)SPR049728474 (SPR)s13201-023-01894-6-e DE-627 ger DE-627 rakwb eng Ferdous, Jannatul verfasserin aut Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp. 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract Enteric bacteria such as Escherichia coli and Salmonella spp. are significant fish pathogens and related to thousands of cases of food-borne diseases every year in human. Since aquatic environments are reservoirs of these pathogens, they may contaminate the food fish and result in outbreaks. Therefore, it is crucial to reduce or eliminate these pathogens from aquaculture facilities. We tested effectiveness of three commonly used aquaculture chemicals, viz., lime, hydrogen peroxide and zeolite on bacterial load, Escherichia coli and Salmonella spp. under laboratory and earthen pond conditions where they were applied at a dose recommended for freshwater aquaculture. Results of the bacteriological study showed that lime had a significant role in reducing bacterial abundance from an initial value of 1.5 × $ 10^{3} $ to 1.9 × $ 10^{3} $ cfu/ml and 3.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ to a final value of 1.2 × $ 10^{3} $ to 1.5 × $ 10^{3} $ cfu/ml and 1.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ cfu/ml within 24 h under aquaria and pond condition, respectively. A complete inactivation of E. coli was observed in lime treated aquaria and ponds 24 h post-treatment, whereas Salmonella spp. remained unaffected in pond water but inactivated under aquarium condition after same period. However, neither hydrogen peroxide nor zeolite treatment reduced total bacterial count as well as E. coli and Salmonella even after 1-week post-treatment. It is, therefore, recommended that the water treatment chemicals should be applied in aquaculture ponds at appropriate dose, and farmers need to adopt biosecurity measures to ensure food safety. Aqua chemicals (dpeaa)DE-He213 Agricultural lime (dpeaa)DE-He213 Bacterial load (dpeaa)DE-He213 Pathogen (dpeaa)DE-He213 Khan, Mohammed Nurul Absar aut Rahman, Md. Khalilur aut Kamal, Md. aut Reza, Md. Shaheed (orcid)0000-0001-9236-5442 aut Enthalten in Applied water science Berlin : Springer, 2011 13(2023), 4 vom: 17. März (DE-627)64730242X (DE-600)2594789-8 2190-5495 nnns volume:13 year:2023 number:4 day:17 month:03 https://dx.doi.org/10.1007/s13201-023-01894-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2023 4 17 03
spelling	10.1007/s13201-023-01894-6 doi (DE-627)SPR049728474 (SPR)s13201-023-01894-6-e DE-627 ger DE-627 rakwb eng Ferdous, Jannatul verfasserin aut Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp. 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract Enteric bacteria such as Escherichia coli and Salmonella spp. are significant fish pathogens and related to thousands of cases of food-borne diseases every year in human. Since aquatic environments are reservoirs of these pathogens, they may contaminate the food fish and result in outbreaks. Therefore, it is crucial to reduce or eliminate these pathogens from aquaculture facilities. We tested effectiveness of three commonly used aquaculture chemicals, viz., lime, hydrogen peroxide and zeolite on bacterial load, Escherichia coli and Salmonella spp. under laboratory and earthen pond conditions where they were applied at a dose recommended for freshwater aquaculture. Results of the bacteriological study showed that lime had a significant role in reducing bacterial abundance from an initial value of 1.5 × $ 10^{3} $ to 1.9 × $ 10^{3} $ cfu/ml and 3.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ to a final value of 1.2 × $ 10^{3} $ to 1.5 × $ 10^{3} $ cfu/ml and 1.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ cfu/ml within 24 h under aquaria and pond condition, respectively. A complete inactivation of E. coli was observed in lime treated aquaria and ponds 24 h post-treatment, whereas Salmonella spp. remained unaffected in pond water but inactivated under aquarium condition after same period. However, neither hydrogen peroxide nor zeolite treatment reduced total bacterial count as well as E. coli and Salmonella even after 1-week post-treatment. It is, therefore, recommended that the water treatment chemicals should be applied in aquaculture ponds at appropriate dose, and farmers need to adopt biosecurity measures to ensure food safety. Aqua chemicals (dpeaa)DE-He213 Agricultural lime (dpeaa)DE-He213 Bacterial load (dpeaa)DE-He213 Pathogen (dpeaa)DE-He213 Khan, Mohammed Nurul Absar aut Rahman, Md. Khalilur aut Kamal, Md. aut Reza, Md. Shaheed (orcid)0000-0001-9236-5442 aut Enthalten in Applied water science Berlin : Springer, 2011 13(2023), 4 vom: 17. März (DE-627)64730242X (DE-600)2594789-8 2190-5495 nnns volume:13 year:2023 number:4 day:17 month:03 https://dx.doi.org/10.1007/s13201-023-01894-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2023 4 17 03
allfields_unstemmed	10.1007/s13201-023-01894-6 doi (DE-627)SPR049728474 (SPR)s13201-023-01894-6-e DE-627 ger DE-627 rakwb eng Ferdous, Jannatul verfasserin aut Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp. 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract Enteric bacteria such as Escherichia coli and Salmonella spp. are significant fish pathogens and related to thousands of cases of food-borne diseases every year in human. Since aquatic environments are reservoirs of these pathogens, they may contaminate the food fish and result in outbreaks. Therefore, it is crucial to reduce or eliminate these pathogens from aquaculture facilities. We tested effectiveness of three commonly used aquaculture chemicals, viz., lime, hydrogen peroxide and zeolite on bacterial load, Escherichia coli and Salmonella spp. under laboratory and earthen pond conditions where they were applied at a dose recommended for freshwater aquaculture. Results of the bacteriological study showed that lime had a significant role in reducing bacterial abundance from an initial value of 1.5 × $ 10^{3} $ to 1.9 × $ 10^{3} $ cfu/ml and 3.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ to a final value of 1.2 × $ 10^{3} $ to 1.5 × $ 10^{3} $ cfu/ml and 1.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ cfu/ml within 24 h under aquaria and pond condition, respectively. A complete inactivation of E. coli was observed in lime treated aquaria and ponds 24 h post-treatment, whereas Salmonella spp. remained unaffected in pond water but inactivated under aquarium condition after same period. However, neither hydrogen peroxide nor zeolite treatment reduced total bacterial count as well as E. coli and Salmonella even after 1-week post-treatment. It is, therefore, recommended that the water treatment chemicals should be applied in aquaculture ponds at appropriate dose, and farmers need to adopt biosecurity measures to ensure food safety. Aqua chemicals (dpeaa)DE-He213 Agricultural lime (dpeaa)DE-He213 Bacterial load (dpeaa)DE-He213 Pathogen (dpeaa)DE-He213 Khan, Mohammed Nurul Absar aut Rahman, Md. Khalilur aut Kamal, Md. aut Reza, Md. Shaheed (orcid)0000-0001-9236-5442 aut Enthalten in Applied water science Berlin : Springer, 2011 13(2023), 4 vom: 17. März (DE-627)64730242X (DE-600)2594789-8 2190-5495 nnns volume:13 year:2023 number:4 day:17 month:03 https://dx.doi.org/10.1007/s13201-023-01894-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2023 4 17 03
allfieldsGer	10.1007/s13201-023-01894-6 doi (DE-627)SPR049728474 (SPR)s13201-023-01894-6-e DE-627 ger DE-627 rakwb eng Ferdous, Jannatul verfasserin aut Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp. 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract Enteric bacteria such as Escherichia coli and Salmonella spp. are significant fish pathogens and related to thousands of cases of food-borne diseases every year in human. Since aquatic environments are reservoirs of these pathogens, they may contaminate the food fish and result in outbreaks. Therefore, it is crucial to reduce or eliminate these pathogens from aquaculture facilities. We tested effectiveness of three commonly used aquaculture chemicals, viz., lime, hydrogen peroxide and zeolite on bacterial load, Escherichia coli and Salmonella spp. under laboratory and earthen pond conditions where they were applied at a dose recommended for freshwater aquaculture. Results of the bacteriological study showed that lime had a significant role in reducing bacterial abundance from an initial value of 1.5 × $ 10^{3} $ to 1.9 × $ 10^{3} $ cfu/ml and 3.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ to a final value of 1.2 × $ 10^{3} $ to 1.5 × $ 10^{3} $ cfu/ml and 1.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ cfu/ml within 24 h under aquaria and pond condition, respectively. A complete inactivation of E. coli was observed in lime treated aquaria and ponds 24 h post-treatment, whereas Salmonella spp. remained unaffected in pond water but inactivated under aquarium condition after same period. However, neither hydrogen peroxide nor zeolite treatment reduced total bacterial count as well as E. coli and Salmonella even after 1-week post-treatment. It is, therefore, recommended that the water treatment chemicals should be applied in aquaculture ponds at appropriate dose, and farmers need to adopt biosecurity measures to ensure food safety. Aqua chemicals (dpeaa)DE-He213 Agricultural lime (dpeaa)DE-He213 Bacterial load (dpeaa)DE-He213 Pathogen (dpeaa)DE-He213 Khan, Mohammed Nurul Absar aut Rahman, Md. Khalilur aut Kamal, Md. aut Reza, Md. Shaheed (orcid)0000-0001-9236-5442 aut Enthalten in Applied water science Berlin : Springer, 2011 13(2023), 4 vom: 17. März (DE-627)64730242X (DE-600)2594789-8 2190-5495 nnns volume:13 year:2023 number:4 day:17 month:03 https://dx.doi.org/10.1007/s13201-023-01894-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2023 4 17 03
allfieldsSound	10.1007/s13201-023-01894-6 doi (DE-627)SPR049728474 (SPR)s13201-023-01894-6-e DE-627 ger DE-627 rakwb eng Ferdous, Jannatul verfasserin aut Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp. 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract Enteric bacteria such as Escherichia coli and Salmonella spp. are significant fish pathogens and related to thousands of cases of food-borne diseases every year in human. Since aquatic environments are reservoirs of these pathogens, they may contaminate the food fish and result in outbreaks. Therefore, it is crucial to reduce or eliminate these pathogens from aquaculture facilities. We tested effectiveness of three commonly used aquaculture chemicals, viz., lime, hydrogen peroxide and zeolite on bacterial load, Escherichia coli and Salmonella spp. under laboratory and earthen pond conditions where they were applied at a dose recommended for freshwater aquaculture. Results of the bacteriological study showed that lime had a significant role in reducing bacterial abundance from an initial value of 1.5 × $ 10^{3} $ to 1.9 × $ 10^{3} $ cfu/ml and 3.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ to a final value of 1.2 × $ 10^{3} $ to 1.5 × $ 10^{3} $ cfu/ml and 1.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ cfu/ml within 24 h under aquaria and pond condition, respectively. A complete inactivation of E. coli was observed in lime treated aquaria and ponds 24 h post-treatment, whereas Salmonella spp. remained unaffected in pond water but inactivated under aquarium condition after same period. However, neither hydrogen peroxide nor zeolite treatment reduced total bacterial count as well as E. coli and Salmonella even after 1-week post-treatment. It is, therefore, recommended that the water treatment chemicals should be applied in aquaculture ponds at appropriate dose, and farmers need to adopt biosecurity measures to ensure food safety. Aqua chemicals (dpeaa)DE-He213 Agricultural lime (dpeaa)DE-He213 Bacterial load (dpeaa)DE-He213 Pathogen (dpeaa)DE-He213 Khan, Mohammed Nurul Absar aut Rahman, Md. Khalilur aut Kamal, Md. aut Reza, Md. Shaheed (orcid)0000-0001-9236-5442 aut Enthalten in Applied water science Berlin : Springer, 2011 13(2023), 4 vom: 17. März (DE-627)64730242X (DE-600)2594789-8 2190-5495 nnns volume:13 year:2023 number:4 day:17 month:03 https://dx.doi.org/10.1007/s13201-023-01894-6 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 13 2023 4 17 03
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source	Enthalten in Applied water science 13(2023), 4 vom: 17. März volume:13 year:2023 number:4 day:17 month:03
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author	Ferdous, Jannatul
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topic_title	Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp Aqua chemicals (dpeaa)DE-He213 Agricultural lime (dpeaa)DE-He213 Bacterial load (dpeaa)DE-He213 Pathogen (dpeaa)DE-He213
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title	Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp.
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title_full	Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp
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author_browse	Ferdous, Jannatul Khan, Mohammed Nurul Absar Rahman, Md. Khalilur Kamal, Md. Reza, Md. Shaheed
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title_sort	effect of three commonly used aquaculture chemicals against enteropathogenic escherichia coli and salmonella spp
title_auth	Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp.
abstract	Abstract Enteric bacteria such as Escherichia coli and Salmonella spp. are significant fish pathogens and related to thousands of cases of food-borne diseases every year in human. Since aquatic environments are reservoirs of these pathogens, they may contaminate the food fish and result in outbreaks. Therefore, it is crucial to reduce or eliminate these pathogens from aquaculture facilities. We tested effectiveness of three commonly used aquaculture chemicals, viz., lime, hydrogen peroxide and zeolite on bacterial load, Escherichia coli and Salmonella spp. under laboratory and earthen pond conditions where they were applied at a dose recommended for freshwater aquaculture. Results of the bacteriological study showed that lime had a significant role in reducing bacterial abundance from an initial value of 1.5 × $ 10^{3} $ to 1.9 × $ 10^{3} $ cfu/ml and 3.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ to a final value of 1.2 × $ 10^{3} $ to 1.5 × $ 10^{3} $ cfu/ml and 1.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ cfu/ml within 24 h under aquaria and pond condition, respectively. A complete inactivation of E. coli was observed in lime treated aquaria and ponds 24 h post-treatment, whereas Salmonella spp. remained unaffected in pond water but inactivated under aquarium condition after same period. However, neither hydrogen peroxide nor zeolite treatment reduced total bacterial count as well as E. coli and Salmonella even after 1-week post-treatment. It is, therefore, recommended that the water treatment chemicals should be applied in aquaculture ponds at appropriate dose, and farmers need to adopt biosecurity measures to ensure food safety. © The Author(s) 2023
abstractGer	Abstract Enteric bacteria such as Escherichia coli and Salmonella spp. are significant fish pathogens and related to thousands of cases of food-borne diseases every year in human. Since aquatic environments are reservoirs of these pathogens, they may contaminate the food fish and result in outbreaks. Therefore, it is crucial to reduce or eliminate these pathogens from aquaculture facilities. We tested effectiveness of three commonly used aquaculture chemicals, viz., lime, hydrogen peroxide and zeolite on bacterial load, Escherichia coli and Salmonella spp. under laboratory and earthen pond conditions where they were applied at a dose recommended for freshwater aquaculture. Results of the bacteriological study showed that lime had a significant role in reducing bacterial abundance from an initial value of 1.5 × $ 10^{3} $ to 1.9 × $ 10^{3} $ cfu/ml and 3.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ to a final value of 1.2 × $ 10^{3} $ to 1.5 × $ 10^{3} $ cfu/ml and 1.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ cfu/ml within 24 h under aquaria and pond condition, respectively. A complete inactivation of E. coli was observed in lime treated aquaria and ponds 24 h post-treatment, whereas Salmonella spp. remained unaffected in pond water but inactivated under aquarium condition after same period. However, neither hydrogen peroxide nor zeolite treatment reduced total bacterial count as well as E. coli and Salmonella even after 1-week post-treatment. It is, therefore, recommended that the water treatment chemicals should be applied in aquaculture ponds at appropriate dose, and farmers need to adopt biosecurity measures to ensure food safety. © The Author(s) 2023
abstract_unstemmed	Abstract Enteric bacteria such as Escherichia coli and Salmonella spp. are significant fish pathogens and related to thousands of cases of food-borne diseases every year in human. Since aquatic environments are reservoirs of these pathogens, they may contaminate the food fish and result in outbreaks. Therefore, it is crucial to reduce or eliminate these pathogens from aquaculture facilities. We tested effectiveness of three commonly used aquaculture chemicals, viz., lime, hydrogen peroxide and zeolite on bacterial load, Escherichia coli and Salmonella spp. under laboratory and earthen pond conditions where they were applied at a dose recommended for freshwater aquaculture. Results of the bacteriological study showed that lime had a significant role in reducing bacterial abundance from an initial value of 1.5 × $ 10^{3} $ to 1.9 × $ 10^{3} $ cfu/ml and 3.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ to a final value of 1.2 × $ 10^{3} $ to 1.5 × $ 10^{3} $ cfu/ml and 1.9 × $ 10^{3} $ to 6.3 × $ 10^{3} $ cfu/ml within 24 h under aquaria and pond condition, respectively. A complete inactivation of E. coli was observed in lime treated aquaria and ponds 24 h post-treatment, whereas Salmonella spp. remained unaffected in pond water but inactivated under aquarium condition after same period. However, neither hydrogen peroxide nor zeolite treatment reduced total bacterial count as well as E. coli and Salmonella even after 1-week post-treatment. It is, therefore, recommended that the water treatment chemicals should be applied in aquaculture ponds at appropriate dose, and farmers need to adopt biosecurity measures to ensure food safety. © The Author(s) 2023
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title_short	Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp.
url	https://dx.doi.org/10.1007/s13201-023-01894-6
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author2	Khan, Mohammed Nurul Absar Rahman, Md. Khalilur Kamal, Md Reza, Md. Shaheed
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up_date	2024-07-04T02:03:05.893Z
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Effect of three commonly used aquaculture chemicals against enteropathogenic Escherichia coli and Salmonella spp.

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