Spontaneous photosensitization by Heterophyllaea pustulata Hook. f. (Rubiaceae), in sheep from Northwestern Argentina

Heterophyllaea pustulata Hook. f. (Rubiaceae) is a phototoxic plant. It grows in the Andean area of northwest of Argentina, and it causes significant economic losses in the livestock. This plant induces dermal lesions by photosensitization probably due to its content of photosensitizing anthraquinon...

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Autores principales: Micheloud, Juan Francisco, Colque Caro, Luis Adrian, Comini, Laura Raquel, Cabrera, Jose Luis, Núñez Montoya, Susana Carolina, Martinez, Olga Gladys, Gimeno, Eduardo Juan
Formato: Artículo
Lenguaje:Inglés
Publicado: 2018
Materias:
Acceso en línea:http://hdl.handle.net/20.500.12123/2860
https://link.springer.com/article/10.1007%2Fs11250-017-1354-0#citeas
https://doi.org/10.1007/s11250-017-1354-0
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author Micheloud, Juan Francisco
Colque Caro, Luis Adrian
Comini, Laura Raquel
Cabrera, Jose Luis
Núñez Montoya, Susana Carolina
Martinez, Olga Gladys
Gimeno, Eduardo Juan
author_browse Cabrera, Jose Luis
Colque Caro, Luis Adrian
Comini, Laura Raquel
Gimeno, Eduardo Juan
Martinez, Olga Gladys
Micheloud, Juan Francisco
Núñez Montoya, Susana Carolina
author_facet Micheloud, Juan Francisco
Colque Caro, Luis Adrian
Comini, Laura Raquel
Cabrera, Jose Luis
Núñez Montoya, Susana Carolina
Martinez, Olga Gladys
Gimeno, Eduardo Juan
author_sort Micheloud, Juan Francisco
collection INTA Digital
description Heterophyllaea pustulata Hook. f. (Rubiaceae) is a phototoxic plant. It grows in the Andean area of northwest of Argentina, and it causes significant economic losses in the livestock. This plant induces dermal lesions by photosensitization probably due to its content of photosensitizing anthraquinones. This paper describes an outbreak of poisoning in Corriedale sheepfold, which had an incidence of 49%. Ear skin biopsies and blood samples were collected of six affected animals. Liver enzymes remained within the reference limits. Histopathologically, a deep necrotizing dermatitis was identified in all samples. H. pustulata was identified in the areas of grazing. Anthraquinone concentration in leaves was 0.84% p/p, expressed as rubiadin. All findings allow us to conclude that the diagnosis is a primary photosensitization. Huge regional economic losses could be attributed to H. pustulata poisoning, although its toxicity has been little studied.
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spelling INTA28602018-07-23T18:48:18Z Spontaneous photosensitization by Heterophyllaea pustulata Hook. f. (Rubiaceae), in sheep from Northwestern Argentina Micheloud, Juan Francisco Colque Caro, Luis Adrian Comini, Laura Raquel Cabrera, Jose Luis Núñez Montoya, Susana Carolina Martinez, Olga Gladys Gimeno, Eduardo Juan Ovinos Enfermedades de los Animales Plantas Tóxicas Dermatitis Fototoxicidad Fotosensibilidad Photosensitivity Phototoxicity Poisonous Plants Animal Diseases Sheep Heterophyllaea Pustulata Región Noroeste Heterophyllaea pustulata Hook. f. (Rubiaceae) is a phototoxic plant. It grows in the Andean area of northwest of Argentina, and it causes significant economic losses in the livestock. This plant induces dermal lesions by photosensitization probably due to its content of photosensitizing anthraquinones. This paper describes an outbreak of poisoning in Corriedale sheepfold, which had an incidence of 49%. Ear skin biopsies and blood samples were collected of six affected animals. Liver enzymes remained within the reference limits. Histopathologically, a deep necrotizing dermatitis was identified in all samples. H. pustulata was identified in the areas of grazing. Anthraquinone concentration in leaves was 0.84% p/p, expressed as rubiadin. All findings allow us to conclude that the diagnosis is a primary photosensitization. Huge regional economic losses could be attributed to H. pustulata poisoning, although its toxicity has been little studied. Instituto de Investigación Animal Chaco Semiarido Fil: Micheloud, Juan Francisco. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Investigación Animal Chaco Semiarido. Grupo de Patología, Epidemiología e Investigación Diagnóstica-Área de Sanidad Animal; Argentina. Universidad Católica de Salta. Facultad de Ciencias Veterinarias. Cátedra de Patología General y Especial; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentina Fil: Colque Caro, Luis Adrian. Universidad Católica de Salta. Facultad de Ciencias Veterinarias. Cátedra de Patología General y Especial; Argentina Fil: Comini, Laura Raquel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Cabrera, Jose Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Núñez Montoya, Susana Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Martinez, Olga Gladys. Universidad Nacional de Salta. Cátedra de Diversidad de las Plantas; Argentina Fil: Gimeno, Eduardo Juan. Universidad Nacional de La Plata. Cátedra de Patología General, Facultad de Ciencias Veterinarias; Argentina 2018-07-23T18:35:35Z 2018-07-23T18:35:35Z 2017-10 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/2860 https://link.springer.com/article/10.1007%2Fs11250-017-1354-0#citeas 0049-4747 1573-7438 (Online) https://doi.org/10.1007/s11250-017-1354-0 eng info:eu-repo/semantics/restrictedAccess application/pdf Argentina (nation) Tropical animal health and production 49 (7) : 1553–1556. (October 2017)
spellingShingle Ovinos
Enfermedades de los Animales
Plantas Tóxicas
Dermatitis
Fototoxicidad
Fotosensibilidad
Photosensitivity
Phototoxicity
Poisonous Plants
Animal Diseases
Sheep
Heterophyllaea Pustulata
Región Noroeste
Micheloud, Juan Francisco
Colque Caro, Luis Adrian
Comini, Laura Raquel
Cabrera, Jose Luis
Núñez Montoya, Susana Carolina
Martinez, Olga Gladys
Gimeno, Eduardo Juan
Spontaneous photosensitization by Heterophyllaea pustulata Hook. f. (Rubiaceae), in sheep from Northwestern Argentina
title Spontaneous photosensitization by Heterophyllaea pustulata Hook. f. (Rubiaceae), in sheep from Northwestern Argentina
title_full Spontaneous photosensitization by Heterophyllaea pustulata Hook. f. (Rubiaceae), in sheep from Northwestern Argentina
title_fullStr Spontaneous photosensitization by Heterophyllaea pustulata Hook. f. (Rubiaceae), in sheep from Northwestern Argentina
title_full_unstemmed Spontaneous photosensitization by Heterophyllaea pustulata Hook. f. (Rubiaceae), in sheep from Northwestern Argentina
title_short Spontaneous photosensitization by Heterophyllaea pustulata Hook. f. (Rubiaceae), in sheep from Northwestern Argentina
title_sort spontaneous photosensitization by heterophyllaea pustulata hook f rubiaceae in sheep from northwestern argentina
topic Ovinos
Enfermedades de los Animales
Plantas Tóxicas
Dermatitis
Fototoxicidad
Fotosensibilidad
Photosensitivity
Phototoxicity
Poisonous Plants
Animal Diseases
Sheep
Heterophyllaea Pustulata
Región Noroeste
url http://hdl.handle.net/20.500.12123/2860
https://link.springer.com/article/10.1007%2Fs11250-017-1354-0#citeas
https://doi.org/10.1007/s11250-017-1354-0
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