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 | Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha : |
18/12/2020 |
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Actualizado : |
21/05/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
BERETTA-BLANCO, A.; CARRASCO-LETELIER, L. |
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Afiliación : |
ANDRÉS BERETTA-BLANCO, Dirección General de Recursos Naturales, Ministerio de Ganadería Agricultura y Pesca, Uruguay.; LEONIDAS CARRASCO-LETELIER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Relevant factors in the eutrophication of the Uruguay River and the Río Negro. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Science of the Total Environment, Volume 761, 20 March 2021, Article number 143299. Doi: https://doi.org/10.1016/j.scitotenv.2020.143299 |
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DOI : |
10.1016/j.scitotenv.2020.143299 |
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Idioma : |
Inglés |
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Notas : |
Article history: Article history:Received 10 April 2020/Received in revised form 9 October 2020/Accepted 25 October 2020/Available online 14 November 2020. Corresponding author:E-mail address: lcarrasco@inia.org.uy (L. Carrasco-Letelier). |
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Contenido : |
Abstract: In recent decades, there has been increasing eutrophication of rivers and lagoons in Uruguay and solutions leading to water purification are being sought. The growing pollution has been attributed to nitrogen and phosphorus compounds exported from the river basins with intensification of agricultural production and the absence of tertiary treatment for urban and industrial effluents. Although nitrogen and phosphorus are relevant to eutrophication, there are also other factors that can promote eutrophication and algal blooms. This paper reports a broad analysis of water quality variables recorded over 9 years (2009?2018) at 17 sampling stations on the Uruguay River and 16 sampling stations on the Río Negro, and explores their relationship with the changes of chlorophyll a (Chl-a) concentrations using a generalized linear model and a neural network simulation (NNS). The input variables were total phosphorus; total suspended solids; electrical conductivity of water (ECw); alkalinity; water temperature (T); water pH (pH) and sampling month. The NNS explained 79% of Chl-a variations and showed
the most relevant variables to be T, ECw, and pH. Moreover, the NNS showed that replacement of current land uses by natural prairie would not significantly reduce Chl-a concentrations. The results showed that the main factors that drive Chl-a concentrations (i.e., algae) are not directly linked to agriculture land use. |
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Palabras claves : |
CHL-A; EUTROPHICATION; FRESHWATER; NEURAL NETWORK SIMULATIONS. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 02373naa a2200205 a 4500
001 1061591
005 2021-05-21
008 2021 bl uuuu u00u1 u #d
024 7 $a10.1016/j.scitotenv.2020.143299$2DOI
100 1 $aBERETTA-BLANCO, A.
245 $aRelevant factors in the eutrophication of the Uruguay River and the Río Negro.$h[electronic resource]
260 $c2021
500 $aArticle history: Article history:Received 10 April 2020/Received in revised form 9 October 2020/Accepted 25 October 2020/Available online 14 November 2020. Corresponding author:E-mail address: lcarrasco@inia.org.uy (L. Carrasco-Letelier).
520 $aAbstract: In recent decades, there has been increasing eutrophication of rivers and lagoons in Uruguay and solutions leading to water purification are being sought. The growing pollution has been attributed to nitrogen and phosphorus compounds exported from the river basins with intensification of agricultural production and the absence of tertiary treatment for urban and industrial effluents. Although nitrogen and phosphorus are relevant to eutrophication, there are also other factors that can promote eutrophication and algal blooms. This paper reports a broad analysis of water quality variables recorded over 9 years (2009?2018) at 17 sampling stations on the Uruguay River and 16 sampling stations on the Río Negro, and explores their relationship with the changes of chlorophyll a (Chl-a) concentrations using a generalized linear model and a neural network simulation (NNS). The input variables were total phosphorus; total suspended solids; electrical conductivity of water (ECw); alkalinity; water temperature (T); water pH (pH) and sampling month. The NNS explained 79% of Chl-a variations and showed the most relevant variables to be T, ECw, and pH. Moreover, the NNS showed that replacement of current land uses by natural prairie would not significantly reduce Chl-a concentrations. The results showed that the main factors that drive Chl-a concentrations (i.e., algae) are not directly linked to agriculture land use.
653 $aCHL-A
653 $aEUTROPHICATION
653 $aFRESHWATER
653 $aNEURAL NETWORK SIMULATIONS
700 1 $aCARRASCO-LETELIER, L.
773 $tScience of the Total Environment, Volume 761, 20 March 2021, Article number 143299. Doi: https://doi.org/10.1016/j.scitotenv.2020.143299
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Registro original : |
INIA La Estanzuela (LE) |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
27/09/2022 |
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Actualizado : |
27/09/2022 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
MACHADO, M.; RIET-CORREA, F.; PEDROSO, P.M.O.; MACÊDO, J.T.S.A. |
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Afiliación : |
MIZAEL MACHADO DA COSTA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FRANKLIN RIET-CORREA AMARAL, Animal Sciences in the Tropics (PPGCAT), Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia (UFBA), Av. Adhemar de Barros 500, Ondina, BA, Salvador, 40170-110, Brazil; PEDRO M.O. PEDROSO, Laboratório de Patologia Veterinária, Universidade de Brasília (UnB), Campus Universitário Darcy Ribeiro, Via L4 Norte s/n, DF, Brasília, 70910-970, Brazil; JULIANA T.S.A. MACÊDO, Laboratório de Patologia Veterinária, Universidade de Brasília (UnB), Campus Universitário Darcy Ribeiro, Via L4 Norte s/n, DF, Brasília, 70910-970, Brazil. |
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Título : |
Doramectin intoxication in malnourished 15-month-old cattle. [Intoxicação por doramectina em bovinos malnutridos de 15 meses de idade.] |
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Fecha de publicación : |
2022 |
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Fuente / Imprenta : |
Pesquisa Veterinaria Brasileira, 2022, Volume 42, Article e07102. OPEN ACCESS. doi: https://doi.org/10.1590/1678-5150-PVB-7102 |
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ISSN : |
1678-5150 (electronic) |
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DOI : |
10.1590/1678-5150-PVB-7102 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 15 May 2022; Accepted 31 May 2022; Publication 29 July 2022; Date of issue 2022.
Corresponding author: Riet-Correa, F.; Animal Sciences in the Tropics (PPGCAT), Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia (UFBA), Av. Adhemar de Barros 500, Ondina, BA, Salvador, Brazil; email:franklinrietcorrea@gmail.com --
Article: Gold Open Access -- This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by-nc/4.0/) |
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Contenido : |
ABSTRACT.- Macrocyclic lactones are widely used as endectocides in farm animals. Intoxications occur in situations of overdose and/or malnutrition, in young animals, and in genetically sensitive breeds. We describe the intoxication by doramectin in malnourished 15-month-old cattle that received 1.6 times the recommended dose. The animals presented salivation, ataxia, motor incoordination, reluctance to move, and sternal recumbency. Two animals recovered spontaneously; one died and was necropsied. No gross or microscopic changes were observed. This study suggests that doramectin may cause intoxication when administered to malnourished cattle in doses higher than those recommended and that knowing the history is essential to establish a diagnosis.
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RESUMO.- As lactonas macrocíciclas são amplamente utilizadas como endectocidas em animais de produção. Casos de intoxicação ocorrem em situações de sobredosagem e/ou desnutrição, em animais jovens ou em raças geneticamente suscetíveis. Descreve-se a intoxicação por doramectina em bovinos desnutridos, com 15 meses de idade, que receberam uma dose 1,6 vezes maior que a dose recomendada. Os animais apresentaram salivação, ataxia, incoordenação motora, relutância em se movimentar e decúbito esternal. Dois animais se recuperaram espontaneamente; um morreu e foi necropsiado. Não foram observadas alterações macro e microscópicas. Esse relato sugere que a doramectina pode causar intoxicação em bovinos desnutridos quando administrada em doses maiores que as recomendadas e que o histórico é fundamental para estabelecer o diagnóstico. MenosABSTRACT.- Macrocyclic lactones are widely used as endectocides in farm animals. Intoxications occur in situations of overdose and/or malnutrition, in young animals, and in genetically sensitive breeds. We describe the intoxication by doramectin in malnourished 15-month-old cattle that received 1.6 times the recommended dose. The animals presented salivation, ataxia, motor incoordination, reluctance to move, and sternal recumbency. Two animals recovered spontaneously; one died and was necropsied. No gross or microscopic changes were observed. This study suggests that doramectin may cause intoxication when administered to malnourished cattle in doses higher than those recommended and that knowing the history is essential to establish a diagnosis.
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RESUMO.- As lactonas macrocíciclas são amplamente utilizadas como endectocidas em animais de produção. Casos de intoxicação ocorrem em situações de sobredosagem e/ou desnutrição, em animais jovens ou em raças geneticamente suscetíveis. Descreve-se a intoxicação por doramectina em bovinos desnutridos, com 15 meses de idade, que receberam uma dose 1,6 vezes maior que a dose recomendada. Os animais apresentaram salivação, ataxia, incoordenação motora, relutância em se movimentar e decúbito esternal. Dois animais se recuperaram espontaneamente; um morreu e foi necropsiado. Não foram observadas alterações macro e microscópicas. Esse relato sugere que a doramectina pode causar intoxicação em bovinos desnutr... Presentar Todo |
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Palabras claves : |
Bovinos; Cattle; Doramectin; Doramectina; Neurological signs; PLATAFORMA DE INVESTIGACIÓN EN SALUD ANIMAL; Sinais neurológicos; Toxicidade. |
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Asunto categoría : |
L01 Ganadería |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/16775/1/10.1590-1678-5150-PVB-7102.pdf
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Marc : |
LEADER 03176naa a2200289 a 4500
001 1063584
005 2022-09-27
008 2022 bl uuuu u00u1 u #d
022 $a1678-5150 (electronic)
024 7 $a10.1590/1678-5150-PVB-7102$2DOI
100 1 $aMACHADO, M.
245 $aDoramectin intoxication in malnourished 15-month-old cattle. [Intoxicação por doramectina em bovinos malnutridos de 15 meses de idade.]$h[electronic resource]
260 $c2022
500 $aArticle history: Received 15 May 2022; Accepted 31 May 2022; Publication 29 July 2022; Date of issue 2022. Corresponding author: Riet-Correa, F.; Animal Sciences in the Tropics (PPGCAT), Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia (UFBA), Av. Adhemar de Barros 500, Ondina, BA, Salvador, Brazil; email:franklinrietcorrea@gmail.com -- Article: Gold Open Access -- This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by-nc/4.0/)
520 $aABSTRACT.- Macrocyclic lactones are widely used as endectocides in farm animals. Intoxications occur in situations of overdose and/or malnutrition, in young animals, and in genetically sensitive breeds. We describe the intoxication by doramectin in malnourished 15-month-old cattle that received 1.6 times the recommended dose. The animals presented salivation, ataxia, motor incoordination, reluctance to move, and sternal recumbency. Two animals recovered spontaneously; one died and was necropsied. No gross or microscopic changes were observed. This study suggests that doramectin may cause intoxication when administered to malnourished cattle in doses higher than those recommended and that knowing the history is essential to establish a diagnosis. .-.-.-.-.-.-.-.-.-.-.-.-.-.-.- RESUMO.- As lactonas macrocíciclas são amplamente utilizadas como endectocidas em animais de produção. Casos de intoxicação ocorrem em situações de sobredosagem e/ou desnutrição, em animais jovens ou em raças geneticamente suscetíveis. Descreve-se a intoxicação por doramectina em bovinos desnutridos, com 15 meses de idade, que receberam uma dose 1,6 vezes maior que a dose recomendada. Os animais apresentaram salivação, ataxia, incoordenação motora, relutância em se movimentar e decúbito esternal. Dois animais se recuperaram espontaneamente; um morreu e foi necropsiado. Não foram observadas alterações macro e microscópicas. Esse relato sugere que a doramectina pode causar intoxicação em bovinos desnutridos quando administrada em doses maiores que as recomendadas e que o histórico é fundamental para estabelecer o diagnóstico.
653 $aBovinos
653 $aCattle
653 $aDoramectin
653 $aDoramectina
653 $aNeurological signs
653 $aPLATAFORMA DE INVESTIGACIÓN EN SALUD ANIMAL
653 $aSinais neurológicos
653 $aToxicidade
700 1 $aRIET-CORREA, F.
700 1 $aPEDROSO, P.M.O.
700 1 $aMACÊDO, J.T.S.A.
773 $tPesquisa Veterinaria Brasileira, 2022, Volume 42, Article e07102. OPEN ACCESS. doi: https://doi.org/10.1590/1678-5150-PVB-7102
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