Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands

Irene Ruvalcaba-Ortega; Mario Bermúdez De León; Sandra Mendiola-Castillo; Laura González-Escalante; Ricardo Canales-Del-Castillo; Roberto Mercado-Hernández; Antonio Guzmán-Velasco; José Ignacio González-Rojas

doi:10.1016/j.rama.2017.03.003

Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands

Irene Ruvalcaba-Ortega, Mario Bermúdez De León, Sandra Mendiola-Castillo, Laura González-Escalante, Ricardo Canales-Del-Castillo, Roberto Mercado-Hernández, Antonio Guzmán-Velasco, José Ignacio González-Rojas

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Wildlife near agricultural lands is exposed to pesticides, particularly organophosphorus and carbamates, where birds appear to be more sensitive to their toxic effects than other vertebrates. One of the main effects of pesticides is the disruption of the nervous system through the inhibition of cholinesterase enzymes. The aim of this study was to determine the plasma cholinesterase activity in native birds of pesticide-exposed agricultural lands within the Grassland Priority Conservation Area El Tokio, located in northeastern Mexico. The study was conducted during three summer seasons (2008-2010), when the reproduction of birds and pesticide spraying occurred. Forty-four birds of 13 different species were captured, sampled, and released. High variability values among individuals and species were found, ranging from 0.200 ± 0.055 to 4.960 ± 0.150 μmol/min/L. White-winged doves' values were significantly smaller than basal reference, showing 29-49% of plasma cholinesterase inhibition and possible pesticide exposure. Mean plasma cholinesterase activity values for 10 of the species had not been reported previously. These data can serve for future interpretations of plasma cholinesterase activity values in wild birds within agricultural lands and for decision making in priority conservation areas.

Original language	English
Pages (from-to)	584-588
Number of pages	5
Journal	Rangeland Ecology and Management
Volume	70
Issue number	5
DOIs	https://doi.org/10.1016/j.rama.2017.03.003
Publication status	Published - 1 Sept 2017
Externally published	Yes

Bibliographical note

Funding Information:
☆ This study was supported by Pronatura Noreste, A. C. with Neotropical Migratory Bird Conservation Act funds through the project “Ecological Reserves at Llano de La Soledad Ejidos” (MX-N481). The authors declare no conflict of interests. ⁎ Correspondence: Dr. José Ignacio González Rojas, Av. Universidad s/n, Ciudad Universitaria, 66455 San Nicolás de los Garza, Nuevo León, Mexico. Tel.: +52 81 8396 5812; fax: +52 81 8376 2813. E-mail address: [email protected] (J.I. González-Rojas).

Publisher Copyright:
© 2017 The Society for Range Management. Published by Elsevier Inc. All rights reserved.

Copyright:
Copyright 2018 Elsevier B.V., All rights reserved.

All Science Journal Classification (ASJC) codes

Ecology
Animal Science and Zoology
Nature and Landscape Conservation
Management, Monitoring, Policy and Law

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10.1016/j.rama.2017.03.003

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85028437474&origin=inward

Cite this

Ruvalcaba-Ortega, I., León, M. B. D., Mendiola-Castillo, S., González-Escalante, L., Canales-Del-Castillo, R., Mercado-Hernández, R., Guzmán-Velasco, A., & González-Rojas, J. I. (2017). Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands. Rangeland Ecology and Management, 70(5), 584-588. https://doi.org/10.1016/j.rama.2017.03.003

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title = "Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands",

abstract = "Wildlife near agricultural lands is exposed to pesticides, particularly organophosphorus and carbamates, where birds appear to be more sensitive to their toxic effects than other vertebrates. One of the main effects of pesticides is the disruption of the nervous system through the inhibition of cholinesterase enzymes. The aim of this study was to determine the plasma cholinesterase activity in native birds of pesticide-exposed agricultural lands within the Grassland Priority Conservation Area El Tokio, located in northeastern Mexico. The study was conducted during three summer seasons (2008-2010), when the reproduction of birds and pesticide spraying occurred. Forty-four birds of 13 different species were captured, sampled, and released. High variability values among individuals and species were found, ranging from 0.200 ± 0.055 to 4.960 ± 0.150 μmol/min/L. White-winged doves' values were significantly smaller than basal reference, showing 29-49% of plasma cholinesterase inhibition and possible pesticide exposure. Mean plasma cholinesterase activity values for 10 of the species had not been reported previously. These data can serve for future interpretations of plasma cholinesterase activity values in wild birds within agricultural lands and for decision making in priority conservation areas.",

author = "Irene Ruvalcaba-Ortega and Le{\'o}n, {Mario Berm{\'u}dez De} and Sandra Mendiola-Castillo and Laura Gonz{\'a}lez-Escalante and Ricardo Canales-Del-Castillo and Roberto Mercado-Hern{\'a}ndez and Antonio Guzm{\'a}n-Velasco and Gonz{\'a}lez-Rojas, {Jos{\'e} Ignacio}",

note = "Funding Information: ☆ This study was supported by Pronatura Noreste, A. C. with Neotropical Migratory Bird Conservation Act funds through the project “Ecological Reserves at Llano de La Soledad Ejidos” (MX-N481). The authors declare no conflict of interests. ⁎ Correspondence: Dr. Jos{\'e} Ignacio Gonz{\'a}lez Rojas, Av. Universidad s/n, Ciudad Universitaria, 66455 San Nicol{\'a}s de los Garza, Nuevo Le{\'o}n, Mexico. Tel.: +52 81 8396 5812; fax: +52 81 8376 2813. E-mail address: [email protected] (J.I. Gonz{\'a}lez-Rojas). Publisher Copyright: {\textcopyright} 2017 The Society for Range Management. Published by Elsevier Inc. All rights reserved. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.",

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Ruvalcaba-Ortega, I, León, MBD, Mendiola-Castillo, S, González-Escalante, L, Canales-Del-Castillo, R, Mercado-Hernández, R, Guzmán-Velasco, A & González-Rojas, JI 2017, 'Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands', Rangeland Ecology and Management, vol. 70, no. 5, pp. 584-588. https://doi.org/10.1016/j.rama.2017.03.003

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AU - González-Rojas, José Ignacio

N1 - Funding Information: ☆ This study was supported by Pronatura Noreste, A. C. with Neotropical Migratory Bird Conservation Act funds through the project “Ecological Reserves at Llano de La Soledad Ejidos” (MX-N481). The authors declare no conflict of interests. ⁎ Correspondence: Dr. José Ignacio González Rojas, Av. Universidad s/n, Ciudad Universitaria, 66455 San Nicolás de los Garza, Nuevo León, Mexico. Tel.: +52 81 8396 5812; fax: +52 81 8376 2813. E-mail address: [email protected] (J.I. González-Rojas). Publisher Copyright: © 2017 The Society for Range Management. Published by Elsevier Inc. All rights reserved. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.

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N2 - Wildlife near agricultural lands is exposed to pesticides, particularly organophosphorus and carbamates, where birds appear to be more sensitive to their toxic effects than other vertebrates. One of the main effects of pesticides is the disruption of the nervous system through the inhibition of cholinesterase enzymes. The aim of this study was to determine the plasma cholinesterase activity in native birds of pesticide-exposed agricultural lands within the Grassland Priority Conservation Area El Tokio, located in northeastern Mexico. The study was conducted during three summer seasons (2008-2010), when the reproduction of birds and pesticide spraying occurred. Forty-four birds of 13 different species were captured, sampled, and released. High variability values among individuals and species were found, ranging from 0.200 ± 0.055 to 4.960 ± 0.150 μmol/min/L. White-winged doves' values were significantly smaller than basal reference, showing 29-49% of plasma cholinesterase inhibition and possible pesticide exposure. Mean plasma cholinesterase activity values for 10 of the species had not been reported previously. These data can serve for future interpretations of plasma cholinesterase activity values in wild birds within agricultural lands and for decision making in priority conservation areas.

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Evaluation of Plasma Cholinesterase Activity in Native Birds from Pesticide-Exposed Agricultural Lands

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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