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 | Acceso al texto completo restringido a Biblioteca INIA Tacuarembó. Por información adicional contacte bibliotb@tb.inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha : |
23/10/2020 |
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Actualizado : |
23/10/2020 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
MACHADO, M.; DE MACÊDO PESSOA, C.R.; PESSOA, A. F. A.; SOUZA MENDES, R. DE; MEDEIROS, R. M. T. DE; DANTAS, A. F. M.; CASTRO, M. B. DE; RIET-CORREA, F. |
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Afiliación : |
MIZAEL MACHADO DA COSTA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CLARICE RICARDO DE MACÊDO PESSOA, Universidade Federal de Sergipe (UFS), Campus do Sertão, Nossa Senhora da Glória, SE, Brazil; ANDRÉ FLÁVIO ALMEIDA PESSOA, Universidade Federal de Sergipe (UFS), Campus do Sertão, Nossa Senhora da Glória, SE, Brazil; RODRIGO DE SOUZA MENDES, Escola de Saúde, Universidade Potiguar (UnP), Natal, RN, Brazil. 4 Centro de Saúde e Tecnologia Rural (CSTR), Universidade Federal de Campina Grande (UFCG), Patos, PB, Brazil; ANTÔNIO FLÁVIO MEDEIROS DANTAS, Centro de Saúde e Tecnologia Rural (CSTR), Universidade Federal de Campina Grande (UFCG), Patos, PB, Brazil; ANTÔNIO FLÁVIO MEDEIROS DANTAS, Centro de Saúde e Tecnologia Rural (CSTR), Universidade Federal de Campina Grande (UFCG), Patos, PB, Brazil; MÁRCIO BOTELHO DE CASTRO, Laboratório de Patologia Veterinária, H.V., Universidade de Brasília (UnB), Brasília, DF, Brazil; FRANKLIN RIET-CORREA AMARAL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
South American rattlesnake (Crotalus durissus spp.) envenomation in dogs in the semiarid region of Brazil. |
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Fecha de publicación : |
2020 |
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Fuente / Imprenta : |
Acta Scientiae Veterinariae, 2020, Volume 48, Article number 521. DOI: https://doi.org/10.22456/1679-9216.104578 |
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DOI : |
10.22456/1679-9216.104578 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received: 29 March 2020 Accepted: 17 June 2020 Published: 19 July 2020. Acknowledgments: Thanks are due to Dr. José María Gutiérrez (University of Costa Rica) for the critical reading of the manuscript and suggestions. |
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Contenido : |
ABSTRACT: Background: South American rattlesnake (Crotalus durissus spp.) envenomation is rarely reported in small animals and livestock in Brazil. Minor swelling at the snakebite site, skeletal muscle, and renal damage, and severe neurological signs characterize the crotalic envenomation. This case report aims to present epidemiological, clinical, and pathological data of two cases of Crotalus durissus spp envenomation in dogs in the Northeast of Brazil. Cases: Envenomation by Crotalus durissus spp. was recorded in two dogs in Patos, State of Paraíba, Brazil. In Case 1, the dog presented flaccid paralysis, hyporeflexia, a deficit of cranial nerves, epistaxis, and gingival hemorrhages. Laboratory assay showed proteinuria, myoglobinuria, regenerative thrombocytopenia, and increased serum activities of creatine kinase (CK), aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase (ALP). The dog was medicated with crotalic antivenom and wholly recovered from local and systemic clinical signs. In Case 2, the dog died and was detected fang marks at the ventral region of the left mandible (two small parallel perforations spaced 2.0 cm apart) at the snakebite site. Cyanosis of the oral cavity, congestion, and hemorrhages in several organs were observed at necropsy. Tubular nephrosis, muscular necrosis, hepatocytes swelling were observed. The owners witnessed snakebites, and the rattlesnakes (Crotalus durissus spp.) identified by the rattle at the end portion of the tail in both cases. Discussion: Natural South American rattlesnake envenomation presents complex clinical signs that makes diagnosis a challenge for veterinary practitioners. The criteria for the correct diagnosis and observed in the two dogs include witness of the snakebite, identification of the snake, detection of fang marks, clinical-pathological findings, and therapeutic response to treatment with specific anti-venom. The dog’s owners did not identify the subspecies of rattlesnakes; however, Crotalus durissus cascavella and Crotalus durissus collilineatus are the only species found in the Northeast region of Brazil. Crotoxin is the primary toxic component of South American rattlesnake, which induces neuromuscular blockage, and neurological signs (skeletal muscle flaccid paralysis, apathy, hyporeflexia, cranial nerve deficits). These clinical signs are similar to those observed in the two dogs. Respiratory distress, cyanosis, pulmonary edema, and hemorrhage are secondary to respiratory muscle paralysis and also detected in a dog (Case 2) with crotalic envenomation. Minor local swelling at the snakebite site, myotoxicity observed in both dogs (high serum activities of CK and AST - Case 1), degeneration
and necrosis of muscle fibers - Case 2), and fang marks observed in Case 2, strengthen the diagnosis of Crotalus durissus envenomation. Nephrotoxicity was also detected in both dogs (increased specific gravity of urine - Case 1 and myoglobin deposition and degeneration of renal epithelial tubular cells - Case 2). Coagulative disorders and hepatotoxicity are infrequently in domestic animals and humans with crotalic envenomation. High serum activities of ALP and ALT in Case 1, and swelling of hepatocytes in Case 2, suggest liver damage associated with the crotalic envenomation. The differential diagnosis of South American rattlesnake envenomation should be included in dogs with acute neuromuscular flaccid
paralysis, associated or not with bleeding disorders, myoglobinuria, and acute kidney injury. MenosABSTRACT: Background: South American rattlesnake (Crotalus durissus spp.) envenomation is rarely reported in small animals and livestock in Brazil. Minor swelling at the snakebite site, skeletal muscle, and renal damage, and severe neurological signs characterize the crotalic envenomation. This case report aims to present epidemiological, clinical, and pathological data of two cases of Crotalus durissus spp envenomation in dogs in the Northeast of Brazil. Cases: Envenomation by Crotalus durissus spp. was recorded in two dogs in Patos, State of Paraíba, Brazil. In Case 1, the dog presented flaccid paralysis, hyporeflexia, a deficit of cranial nerves, epistaxis, and gingival hemorrhages. Laboratory assay showed proteinuria, myoglobinuria, regenerative thrombocytopenia, and increased serum activities of creatine kinase (CK), aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase (ALP). The dog was medicated with crotalic antivenom and wholly recovered from local and systemic clinical signs. In Case 2, the dog died and was detected fang marks at the ventral region of the left mandible (two small parallel perforations spaced 2.0 cm apart) at the snakebite site. Cyanosis of the oral cavity, congestion, and hemorrhages in several organs were observed at necropsy. Tubular nephrosis, muscular necrosis, hepatocytes swelling were observed. The owners witnessed snakebites, and the rattlesnakes (Crotalus durissus spp.) identified by the rattle at the e... Presentar Todo |
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Palabras claves : |
CROTALIC ENVENOMATION; CROTALUS DURISSUS SPP; DOG; SNAKEBITE; TOXIC MYOPATHY. |
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Asunto categoría : |
L70 Ciencias veterinarias e higiene - Aspectos generales |
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Marc : |
LEADER 04714naa a2200289 a 4500
001 1061423
005 2020-10-23
008 2020 bl uuuu u00u1 u #d
024 7 $a10.22456/1679-9216.104578$2DOI
100 1 $aMACHADO, M.
245 $aSouth American rattlesnake (Crotalus durissus spp.) envenomation in dogs in the semiarid region of Brazil.$h[electronic resource]
260 $c2020
500 $aArticle history: Received: 29 March 2020 Accepted: 17 June 2020 Published: 19 July 2020. Acknowledgments: Thanks are due to Dr. José María Gutiérrez (University of Costa Rica) for the critical reading of the manuscript and suggestions.
520 $aABSTRACT: Background: South American rattlesnake (Crotalus durissus spp.) envenomation is rarely reported in small animals and livestock in Brazil. Minor swelling at the snakebite site, skeletal muscle, and renal damage, and severe neurological signs characterize the crotalic envenomation. This case report aims to present epidemiological, clinical, and pathological data of two cases of Crotalus durissus spp envenomation in dogs in the Northeast of Brazil. Cases: Envenomation by Crotalus durissus spp. was recorded in two dogs in Patos, State of Paraíba, Brazil. In Case 1, the dog presented flaccid paralysis, hyporeflexia, a deficit of cranial nerves, epistaxis, and gingival hemorrhages. Laboratory assay showed proteinuria, myoglobinuria, regenerative thrombocytopenia, and increased serum activities of creatine kinase (CK), aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase (ALP). The dog was medicated with crotalic antivenom and wholly recovered from local and systemic clinical signs. In Case 2, the dog died and was detected fang marks at the ventral region of the left mandible (two small parallel perforations spaced 2.0 cm apart) at the snakebite site. Cyanosis of the oral cavity, congestion, and hemorrhages in several organs were observed at necropsy. Tubular nephrosis, muscular necrosis, hepatocytes swelling were observed. The owners witnessed snakebites, and the rattlesnakes (Crotalus durissus spp.) identified by the rattle at the end portion of the tail in both cases. Discussion: Natural South American rattlesnake envenomation presents complex clinical signs that makes diagnosis a challenge for veterinary practitioners. The criteria for the correct diagnosis and observed in the two dogs include witness of the snakebite, identification of the snake, detection of fang marks, clinical-pathological findings, and therapeutic response to treatment with specific anti-venom. The dog’s owners did not identify the subspecies of rattlesnakes; however, Crotalus durissus cascavella and Crotalus durissus collilineatus are the only species found in the Northeast region of Brazil. Crotoxin is the primary toxic component of South American rattlesnake, which induces neuromuscular blockage, and neurological signs (skeletal muscle flaccid paralysis, apathy, hyporeflexia, cranial nerve deficits). These clinical signs are similar to those observed in the two dogs. Respiratory distress, cyanosis, pulmonary edema, and hemorrhage are secondary to respiratory muscle paralysis and also detected in a dog (Case 2) with crotalic envenomation. Minor local swelling at the snakebite site, myotoxicity observed in both dogs (high serum activities of CK and AST - Case 1), degeneration and necrosis of muscle fibers - Case 2), and fang marks observed in Case 2, strengthen the diagnosis of Crotalus durissus envenomation. Nephrotoxicity was also detected in both dogs (increased specific gravity of urine - Case 1 and myoglobin deposition and degeneration of renal epithelial tubular cells - Case 2). Coagulative disorders and hepatotoxicity are infrequently in domestic animals and humans with crotalic envenomation. High serum activities of ALP and ALT in Case 1, and swelling of hepatocytes in Case 2, suggest liver damage associated with the crotalic envenomation. The differential diagnosis of South American rattlesnake envenomation should be included in dogs with acute neuromuscular flaccid paralysis, associated or not with bleeding disorders, myoglobinuria, and acute kidney injury.
653 $aCROTALIC ENVENOMATION
653 $aCROTALUS DURISSUS SPP
653 $aDOG
653 $aSNAKEBITE
653 $aTOXIC MYOPATHY
700 1 $aDE MACÊDO PESSOA, C.R.
700 1 $aPESSOA, A. F. A.
700 1 $aSOUZA MENDES, R. DE
700 1 $aMEDEIROS, R. M. T. DE
700 1 $aDANTAS, A. F. M.
700 1 $aCASTRO, M. B. DE
700 1 $aRIET-CORREA, F.
773 $tActa Scientiae Veterinariae, 2020, Volume 48, Article number 521. DOI: https://doi.org/10.22456/1679-9216.104578
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INIA Tacuarembó (TBO) |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
13/12/2022 |
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Actualizado : |
13/12/2022 |
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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 : |
AGUERRE, V.; BIANCO, M. |
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Afiliación : |
MARIA VERONICA AGUERRE ANTIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIELA BIANCO, Universidad de la República, Facultad de Agronomía, Departamento de Ciencias Sociales, Av. Garz´on 780, Montevideo, Uruguay. |
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Título : |
Co-innovation and socio-technological niche development: The case of livestock farming on natural grassland in Uruguay. |
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Fecha de publicación : |
2022 |
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Fuente / Imprenta : |
Journal of Rural Studes, January 2023, Volume 97, Pages 81-94. doi: https://doi.org/10.1016/j.jrurstud.2022.12.003 |
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ISSN : |
0743-0167 |
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DOI : |
10.1016/j.jrurstud.2022.12.003 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 12 January 2022; Received in revised form 10 November 2022; Accepted 4 December 2022; Available online 10 December 2022. -- Corresponding author: E-mail addresses: vaguerre@inia.org.uy (V. Aguerre), mbianco@fagro.edu.uy (M. Bianco). -- |
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Contenido : |
ABSTRACT.- Achieving sustainable food and nutritional security requires a transformation of the existing agrifood system. In livestock farming based on natural grassland in Uruguay, an ecological intensification strategy could play a radical role in the transition towards more sustainable systems. This study analyzes the continuity of interconnected projects that used co-innovation approaches to promote and evaluate ecological intensification strategies over a period of 15 years (2004-2019). The purpose of the article is to provide evidence on the development of a socio-technical niche in sustainable livestock farming and to identify anchoring points for further regime transformation. Our contention is that interactive research in the context of application based on a sequence of co-innovation projects has the potential to trigger a sustainability transition through ecological intensification of livestock farming based on natural grassland. The research followed a single-case study design with multiple units of analysis, based on the study of documents produced by the different projects and semi-structured interviews. In addition, network analysis was used to examine the linkage of persons and projects. Results show that a socio-technical niche in sustainable livestock farming base on natural grassland was developed in Uruguay, promoted by research institutions and progressively involving other social actors throughout the process. The continuity of projects over 15 years, was fundamental to achieve the three essential processes for a niche conformation: i) an alignment of expectations and the development of a common vision, linked to the sustainable development of family-farming; ii) the creation and expansion of a network of stakeholders, comprising researchers, farmers, extensionists, and other relevant actors; iii) the development of learning processes through interaction, accumulating knowledge around two main axes: a new way of promoting innovation through research in application contexts associated with co-innovation, and a new way of sustainable livestock farming associated with ecological intensification. This study reveals the importance of sequencing co-innovation projects and continuity in the negotiation of visions of change, the creation of a community committed with the direction of change, and the promotion of interdisciplinarity and interactive learning, that foster changes at a socio-technical level. Anchoring challenges, and therefore advancement of the transition process, face the need for significantly expanding trained research and extension personnel to implement co-innovation and ecological intensification practices in livestock systems, and the organization of an extension program to sustain long term transformation of livestock farming in Uruguay. © 2022 Elsevier Ltd. All rights reserved. MenosABSTRACT.- Achieving sustainable food and nutritional security requires a transformation of the existing agrifood system. In livestock farming based on natural grassland in Uruguay, an ecological intensification strategy could play a radical role in the transition towards more sustainable systems. This study analyzes the continuity of interconnected projects that used co-innovation approaches to promote and evaluate ecological intensification strategies over a period of 15 years (2004-2019). The purpose of the article is to provide evidence on the development of a socio-technical niche in sustainable livestock farming and to identify anchoring points for further regime transformation. Our contention is that interactive research in the context of application based on a sequence of co-innovation projects has the potential to trigger a sustainability transition through ecological intensification of livestock farming based on natural grassland. The research followed a single-case study design with multiple units of analysis, based on the study of documents produced by the different projects and semi-structured interviews. In addition, network analysis was used to examine the linkage of persons and projects. Results show that a socio-technical niche in sustainable livestock farming base on natural grassland was developed in Uruguay, promoted by research institutions and progressively involving other social actors throughout the process. The continuity of projects over 15 years, w... Presentar Todo |
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Palabras claves : |
Co-innovation; Ecological intensification; Innovation processes; Sustainability transitions; URUGUAY. |
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Asunto categoría : |
E50 Sociología rural y seguridad social |
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Marc : |
LEADER 03904naa a2200229 a 4500
001 1063839
005 2022-12-13
008 2022 bl uuuu u00u1 u #d
022 $a0743-0167
024 7 $a10.1016/j.jrurstud.2022.12.003$2DOI
100 1 $aAGUERRE, V.
245 $aCo-innovation and socio-technological niche development$bThe case of livestock farming on natural grassland in Uruguay.$h[electronic resource]
260 $c2022
500 $aArticle history: Received 12 January 2022; Received in revised form 10 November 2022; Accepted 4 December 2022; Available online 10 December 2022. -- Corresponding author: E-mail addresses: vaguerre@inia.org.uy (V. Aguerre), mbianco@fagro.edu.uy (M. Bianco). --
520 $aABSTRACT.- Achieving sustainable food and nutritional security requires a transformation of the existing agrifood system. In livestock farming based on natural grassland in Uruguay, an ecological intensification strategy could play a radical role in the transition towards more sustainable systems. This study analyzes the continuity of interconnected projects that used co-innovation approaches to promote and evaluate ecological intensification strategies over a period of 15 years (2004-2019). The purpose of the article is to provide evidence on the development of a socio-technical niche in sustainable livestock farming and to identify anchoring points for further regime transformation. Our contention is that interactive research in the context of application based on a sequence of co-innovation projects has the potential to trigger a sustainability transition through ecological intensification of livestock farming based on natural grassland. The research followed a single-case study design with multiple units of analysis, based on the study of documents produced by the different projects and semi-structured interviews. In addition, network analysis was used to examine the linkage of persons and projects. Results show that a socio-technical niche in sustainable livestock farming base on natural grassland was developed in Uruguay, promoted by research institutions and progressively involving other social actors throughout the process. The continuity of projects over 15 years, was fundamental to achieve the three essential processes for a niche conformation: i) an alignment of expectations and the development of a common vision, linked to the sustainable development of family-farming; ii) the creation and expansion of a network of stakeholders, comprising researchers, farmers, extensionists, and other relevant actors; iii) the development of learning processes through interaction, accumulating knowledge around two main axes: a new way of promoting innovation through research in application contexts associated with co-innovation, and a new way of sustainable livestock farming associated with ecological intensification. This study reveals the importance of sequencing co-innovation projects and continuity in the negotiation of visions of change, the creation of a community committed with the direction of change, and the promotion of interdisciplinarity and interactive learning, that foster changes at a socio-technical level. Anchoring challenges, and therefore advancement of the transition process, face the need for significantly expanding trained research and extension personnel to implement co-innovation and ecological intensification practices in livestock systems, and the organization of an extension program to sustain long term transformation of livestock farming in Uruguay. © 2022 Elsevier Ltd. All rights reserved.
653 $aCo-innovation
653 $aEcological intensification
653 $aInnovation processes
653 $aSustainability transitions
653 $aURUGUAY
700 1 $aBIANCO, M.
773 $tJournal of Rural Studes, January 2023, Volume 97, Pages 81-94. doi: https://doi.org/10.1016/j.jrurstud.2022.12.003
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