Anthelmintic efficacy of five tropical native Australian plants against Haemonchus contortus and Trichostrongylus colubriformis in experimentally infected goats (Capra hircus)
The study of the anthelmintic properties of plants rich in plant secondary metabolites can provide ecologically sound methods for the treatment of parasites on grazing animals. The purpose of the present study was to evaluate the anthelmintic effect of five tropical native Australian plant species r...
| Main Authors: | , , , , , , |
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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Elsevier
2019
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| Online Access: | https://www.sciencedirect.com/science/article/pii/S0304401712000039 http://hdl.handle.net/20.500.12123/5501 https://doi.org/10.1016/j.vetpar.2011.12.040 |
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| author | Moreno, Fabiana Carina Gordon, Iain James Knox, Malcolm R. Summer, P.M. Skerratt, Lee Francis Benvenutti, Marcelo Saumell, Carlos Alfredo |
| author_browse | Benvenutti, Marcelo Gordon, Iain James Knox, Malcolm R. Moreno, Fabiana Carina Saumell, Carlos Alfredo Skerratt, Lee Francis Summer, P.M. |
| author_facet | Moreno, Fabiana Carina Gordon, Iain James Knox, Malcolm R. Summer, P.M. Skerratt, Lee Francis Benvenutti, Marcelo Saumell, Carlos Alfredo |
| author_sort | Moreno, Fabiana Carina |
| collection | INTA Digital |
| description | The study of the anthelmintic properties of plants rich in plant secondary metabolites can provide ecologically sound methods for the treatment of parasites on grazing animals. The purpose of the present study was to evaluate the anthelmintic effect of five tropical native Australian plant species rich in plant secondary metabolites on adult Haemonchus contortus and Trichostrongylus colubriformis in experimentally infected goats. Thirty young, nematode-free goats were infected with 2500 H. contortus and 5000 T. colubriformis infective larvae thrice weekly for a week (day 1–7 of the experiment). On day 27 after first infection, the goats were allocated into six groups of five animals per group. From day 28 to day 35, fresh leaves from Acacia salicina, Acacia nilotica, Eucalyptus corymbia, Casuarina cunninghamiana and Eucalyptus drepanophylla were included in the goats diet. Five groups were offered leaves from one of these plant species and one group, the untreated control, received only the basal diet formulated with 20% Medicago sativa and 80% Avena sativa. Following plant material administration, the goats were monitored daily until day 40 and then slaughtered on day 41. Total faecal worm egg output, total production of larvae recovered from faecal cultures, total post-mortem worm burdens and the per capita fecundity of female worms were estimated. The toxicity of the plant species for the goats was measured by histopathological analyses of liver and kidney samples. Results showed that goats feeding on the plant material rich in plant secondary metabolites had significantly lower egg output compared to the control goats (P < 0.05). A similar response was found for larval production in both H. contortus and T. colubriformis supporting that egg output was affected in both species. Although the total worm burdens were not affected by the plant material (P > 0.05), the per capita fecundity was significantly reduced by E. corymbia, A. nilotica and A. salicina (P < 0.05). No signs of toxicity were detected in the liver or kidney samples. It is concluded that goats can benefit from the short-term ingestion of plant secondary metabolites, which reduce the total faecal egg output and thus decrease the potential for re-infection from the pasture. |
| format | info:ar-repo/semantics/artículo |
| id | INTA5501 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2019 |
| publishDateRange | 2019 |
| publishDateSort | 2019 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA55012019-07-15T14:52:30Z Anthelmintic efficacy of five tropical native Australian plants against Haemonchus contortus and Trichostrongylus colubriformis in experimentally infected goats (Capra hircus) Moreno, Fabiana Carina Gordon, Iain James Knox, Malcolm R. Summer, P.M. Skerratt, Lee Francis Benvenutti, Marcelo Saumell, Carlos Alfredo Caprinos Nematoda Haemonchus contortus Trichostrongylus colubriformis Antihelmínticos Metabolitos Alimentación de los Animales Organismos Indígenas Goats Anthelmintics Metabolites Animal Feeding Indigenous Organisms Australia Plantas Nativas The study of the anthelmintic properties of plants rich in plant secondary metabolites can provide ecologically sound methods for the treatment of parasites on grazing animals. The purpose of the present study was to evaluate the anthelmintic effect of five tropical native Australian plant species rich in plant secondary metabolites on adult Haemonchus contortus and Trichostrongylus colubriformis in experimentally infected goats. Thirty young, nematode-free goats were infected with 2500 H. contortus and 5000 T. colubriformis infective larvae thrice weekly for a week (day 1–7 of the experiment). On day 27 after first infection, the goats were allocated into six groups of five animals per group. From day 28 to day 35, fresh leaves from Acacia salicina, Acacia nilotica, Eucalyptus corymbia, Casuarina cunninghamiana and Eucalyptus drepanophylla were included in the goats diet. Five groups were offered leaves from one of these plant species and one group, the untreated control, received only the basal diet formulated with 20% Medicago sativa and 80% Avena sativa. Following plant material administration, the goats were monitored daily until day 40 and then slaughtered on day 41. Total faecal worm egg output, total production of larvae recovered from faecal cultures, total post-mortem worm burdens and the per capita fecundity of female worms were estimated. The toxicity of the plant species for the goats was measured by histopathological analyses of liver and kidney samples. Results showed that goats feeding on the plant material rich in plant secondary metabolites had significantly lower egg output compared to the control goats (P < 0.05). A similar response was found for larval production in both H. contortus and T. colubriformis supporting that egg output was affected in both species. Although the total worm burdens were not affected by the plant material (P > 0.05), the per capita fecundity was significantly reduced by E. corymbia, A. nilotica and A. salicina (P < 0.05). No signs of toxicity were detected in the liver or kidney samples. It is concluded that goats can benefit from the short-term ingestion of plant secondary metabolites, which reduce the total faecal egg output and thus decrease the potential for re-infection from the pasture. EEA Balcarce Fil: Moreno, Fabiana Carina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina Fil: Gordon, Iain James. The James Hutton Institute; Gran Bretaña Fil: Knox, Malcolm R. Commonwealth Scientific and Industrial Research Organisation (CSIRO) Livestock Industries; Australia Fil: Summer, P.M. James Cook University. School of Veterinary and Biomedical Sciences; Australia Fil: Skerratt, Lee Francis. James Cook University. James Cook University. School of Veterinary and Biomedical Sciences; Australia. School of Public Health, Tropical Medicine and Rehabilitation Sciences; Australia Fil: Benvenutti, Marcelo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Cerro Azul; Argentina Fil: Saumell, Carlos Alfredo. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina 2019-07-15T14:50:26Z 2019-07-15T14:50:26Z 2012-06 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion https://www.sciencedirect.com/science/article/pii/S0304401712000039 http://hdl.handle.net/20.500.12123/5501 0304-4017 https://doi.org/10.1016/j.vetpar.2011.12.040 eng info:eu-repo/semantics/restrictedAccess application/pdf Elsevier Veterinary Parasitology 187 (1–2) : 237-243 (June 2012) |
| spellingShingle | Caprinos Nematoda Haemonchus contortus Trichostrongylus colubriformis Antihelmínticos Metabolitos Alimentación de los Animales Organismos Indígenas Goats Anthelmintics Metabolites Animal Feeding Indigenous Organisms Australia Plantas Nativas Moreno, Fabiana Carina Gordon, Iain James Knox, Malcolm R. Summer, P.M. Skerratt, Lee Francis Benvenutti, Marcelo Saumell, Carlos Alfredo Anthelmintic efficacy of five tropical native Australian plants against Haemonchus contortus and Trichostrongylus colubriformis in experimentally infected goats (Capra hircus) |
| title | Anthelmintic efficacy of five tropical native Australian plants against Haemonchus contortus and Trichostrongylus colubriformis in experimentally infected goats (Capra hircus) |
| title_full | Anthelmintic efficacy of five tropical native Australian plants against Haemonchus contortus and Trichostrongylus colubriformis in experimentally infected goats (Capra hircus) |
| title_fullStr | Anthelmintic efficacy of five tropical native Australian plants against Haemonchus contortus and Trichostrongylus colubriformis in experimentally infected goats (Capra hircus) |
| title_full_unstemmed | Anthelmintic efficacy of five tropical native Australian plants against Haemonchus contortus and Trichostrongylus colubriformis in experimentally infected goats (Capra hircus) |
| title_short | Anthelmintic efficacy of five tropical native Australian plants against Haemonchus contortus and Trichostrongylus colubriformis in experimentally infected goats (Capra hircus) |
| title_sort | anthelmintic efficacy of five tropical native australian plants against haemonchus contortus and trichostrongylus colubriformis in experimentally infected goats capra hircus |
| topic | Caprinos Nematoda Haemonchus contortus Trichostrongylus colubriformis Antihelmínticos Metabolitos Alimentación de los Animales Organismos Indígenas Goats Anthelmintics Metabolites Animal Feeding Indigenous Organisms Australia Plantas Nativas |
| url | https://www.sciencedirect.com/science/article/pii/S0304401712000039 http://hdl.handle.net/20.500.12123/5501 https://doi.org/10.1016/j.vetpar.2011.12.040 |
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