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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
18/04/2002 |
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Data da última atualização: |
09/01/2025 |
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Autoria: |
BANKS, D. J. D.; SINGH, R.; BARGER, I. A.; PRATAP, B.; LE JAMBRE, L. F. |
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Título: |
Development and survival of infective larvae of Haemonchus contortus and Trichostrongylus colubriformis on pasture in a tropical environment. |
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Ano de publicação: |
1990 |
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Fonte/Imprenta: |
International Journal for Parasitology, v. 20, n. 2, p. 155-160, Apr. 1990. |
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DOI: |
https://doi.org/10.1016/0020-7519(90)90095-5 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: A trial to determine the seasonal pattern of egg hatching and larval survival on pasture was carried out in representative wet and dry zones of Fiji. Fourteen plots were established on parasite-free pasture at each of two sites. One plot at each site was contaminated every month with faeces from naturally infected goats containing a known proportion of Haemonchus contortus and Trichostrongylus colubriformis eggs. Pasture was sampled at regular intervals after contamination and infective larvae identified and counted. Larvae of both species developed throughout the year in the wet zone but development was more sporadic in the dry zone. Larval counts generally declined to below detectable levels within 9 weeks of contamination between September and March but longevity increased during the cooler weather from April to August. The comparatively short larval survival times noted in this experiment may present opportunities for manipulation of parasite population dynamics in the wet tropics. |
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Palavras-Chave: |
Larval survival; Trychostrongylus colubriformis; Verminose gastrintestinal. |
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Thesagro: |
Caprino; Epidemiologia; Haemonchus Contortus; Helminto Gastrintestinal; Ovino; Parasito; Parasitologia; Parasitose. |
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Thesaurus Nal: |
Epidemiology; Gastrointestinal nematodes; Goats; Helminths; Parasites; Parasitology; Seasons; Sheep. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02235naa a2200409 a 4500
001 1528186
005 2025-01-09
008 1990 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/0020-7519(90)90095-5$2DOI
100 1 $aBANKS, D. J. D.
245 $aDevelopment and survival of infective larvae of Haemonchus contortus and Trichostrongylus colubriformis on pasture in a tropical environment.$h[electronic resource]
260 $c1990
520 $aAbstract: A trial to determine the seasonal pattern of egg hatching and larval survival on pasture was carried out in representative wet and dry zones of Fiji. Fourteen plots were established on parasite-free pasture at each of two sites. One plot at each site was contaminated every month with faeces from naturally infected goats containing a known proportion of Haemonchus contortus and Trichostrongylus colubriformis eggs. Pasture was sampled at regular intervals after contamination and infective larvae identified and counted. Larvae of both species developed throughout the year in the wet zone but development was more sporadic in the dry zone. Larval counts generally declined to below detectable levels within 9 weeks of contamination between September and March but longevity increased during the cooler weather from April to August. The comparatively short larval survival times noted in this experiment may present opportunities for manipulation of parasite population dynamics in the wet tropics.
650 $aEpidemiology
650 $aGastrointestinal nematodes
650 $aGoats
650 $aHelminths
650 $aParasites
650 $aParasitology
650 $aSeasons
650 $aSheep
650 $aCaprino
650 $aEpidemiologia
650 $aHaemonchus Contortus
650 $aHelminto Gastrintestinal
650 $aOvino
650 $aParasito
650 $aParasitologia
650 $aParasitose
653 $aLarval survival
653 $aTrychostrongylus colubriformis
653 $aVerminose gastrintestinal
700 1 $aSINGH, R.
700 1 $aBARGER, I. A.
700 1 $aPRATAP, B.
700 1 $aLE JAMBRE, L. F.
773 $tInternational Journal for Parasitology$gv. 20, n. 2, p. 155-160, Apr. 1990.
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