Results 21 to 30 of about 503 (133)

LIGHT AND SCANNING ELECTRON MICROSCOPICAL OBSERVATIONS ON ADULT HAEMONCHUS PLACEI (NEMATODA: TRICHOSTRONGYLOIDEA) IN CAMELES AT ASSIUT, EGYPT [PDF]

open access: yesAssiut Veterinary Medical Journal, 2005
The tegumental ultrastructure of adult Haemonchus  placei was studied by scanning electron microscopy  (SEM ). Adult worms were recovered from fourth stomach or abomasum of cameles.
NAWAL A. M. MAZEN
doaj   +1 more source

A review of the genus Impalaia Mönnig, 1923 (Nematoda : Trichostrongyloidea) [PDF]

open access: yesAnnales de Parasitologie Humaine et Comparée, 1977
Four species are considered valid for the genus Impalaia--I. tuberculata Mönnig, 1923, I. nudicollis Mönnig, 1931, I. okapiae van den Berghe, 1937 and I. taurotragi (Le Roux, 1936) Travassos, 1937. I. tuberculata var. longispiculata Wetzel and Fortmeyer- 1960 and I. aegyptiaca Soliman, 1958 are considered synonyms of I. tuberculata Mönnig, 1923.
L M, Gibbons   +2 more
openaire   +2 more sources

Diseases and causes of death among alpacas in Sweden: a retrospective study

open access: yesVeterinary Record Open, Volume 6, Issue 1, January 2019., 2019
Background Due to increasing popularity in Sweden during the last decade, alpacas are frequently encountered by practising veterinarians and pathologists. Knowledge regarding their health and diseases under Swedish conditions is, however, limited.
Christina Björklund   +8 more
wiley   +1 more source

Macrophage Activation and Functions during Helminth Infection: Recent Advances from the Laboratory Mouse

open access: yesJournal of Immunology Research, Volume 2018, Issue 1, 2018., 2018
Macrophages are highly plastic innate immune cells that adopt an important diversity of phenotypes in response to environmental cues. Helminth infections induce strong type 2 cell‐mediated immune responses, characterized among other things by production of high levels of interleukin‐ (IL‐) 4 and IL‐13.
Marion Rolot   +2 more
wiley   +1 more source

Eficácia de anti-helmínticos no controle de parasitas gastrintestinais de ovinos no Alto Sertão da Paraíba, Brasil

open access: yesRevista Principia, 2018
This project evaluated the efficiency of different anthelmintics on sheep gastrointestinal nematodes in the Alto Sertão of Paraíba state. Resistance test was conducted in two sheep farming units (P1 and P2) of Dorper and Santa Inês crossbreed sheep ...
José Gabriel Gonçalves Lins   +5 more
doaj   +1 more source

TTrichostrongylus retortaeformis (Zeder, 1800) (Nematoda, Trichostrongyloidea) in Lepus europaeus (Pallas, 1778) in southern Brazil

open access: yesSemina: Ciências Agrárias, 2016
The aim of this study was to evaluate the presence of helminthes parasitizing hares (Lepus europaeus) in southern Brazil. The intestinal tracts of seven hares were opened and the contents were sieved.
Laura Maria Farias dos Santos   +5 more
doaj   +1 more source

Influência do parasitismo por nematódeos sobre o perfil hematológico de caprinos Influence of nematodes on the hematological parameters of goats

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2005
The interaction between ivermectin-resistant and ivermectin-sensitive nematodes and the effect of this anthelmintic on the hematological status of naturally infected goats was assessed using 36 animals.
M.J.T. Mattos   +4 more
doaj   +1 more source

First report of a newly-described lungworm, Dictyocaulus cervi (Nematoda: Trichostrongyloidea), in moose (Alces alces) in central Europe

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2020
Lungworms from the genus Dictyocaulus are the causative agents of verminous pneumonia in domestic and wild ungulates. Recently, in 2017, a new species was isolated from red deer and described as Dictyocaulus cervi; however, little is known about its ...
Katarzyna Filip-Hutsch   +5 more
doaj   +1 more source

Guerrerostrongylus marginalis n. sp. (Trichostrongyloidea: Heligmonellidae) from the Guianan arboreal mouse (Oecomys auyantepui) from French Guiana

open access: yesParasite, 2016
Based on the number and arrangement of cuticular ridges and configuration of the dorsal ray, nematode specimens collected from the small intestine of eight Guianan arboreal mice, Oecomys auyantepui (Rodentia: Sigmodontinae), in French Guiana are herein ...
Weirich Jessica M.   +2 more
doaj   +1 more source

Lungworm seroprevalence in free-ranging harbour seals and molecular characterisation of marine mammal MSP

open access: yesInternational Journal for Parasitology: Parasites and Wildlife, 2016
Harbour seals (Phoca vitulina) are frequently infected with the lungworms Otostrongylus circumlitus and Parafilaroides gymnurus. The infection is often accompanied by secondary bacterial infections and can cause severe bronchopneumonia and even death in ...
Sophia Arlena Ulrich   +5 more
doaj   +1 more source

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