Results 1 to 10 of about 4,050 (170)

Nodular typhlitis associated with the nematodes Heterakis gallinarum and Heterakis isolonche in pheasants: frequency and pathology with evidence of neoplasia [PDF]

Memorias Do Instituto Oswaldo Cruz, 2003
An investigation related to the frequency and pathology of Heterakis gallinarum and pathology of Heterakis isolonche in pheasants from Rio de Janeiro, Brazil was conducted by means of clinical examinations, necropsies, and histopathological analysis in ...
Delir Corrêa Gomes Maués da Serra Freire, Rodrigo Menezes, Rogerio Tortelly   +2 more
exaly   +10 more sources

Density related effects on lifetime fecundity of Heterakis gallinarum in chickens [PDF]

Parasites & Vectors, 2014
Background Density related effects, both inverse density- and density-dependent, contribute to regulating population dynamics of parasites. We investigated whether density related effects are directly controlling lifetime fecundity of Heterakis ...
Gürbüz Daş, Matthias Gauly
doaj   +8 more sources

Co‐Infection, but Not Infection Intensity, Increases Shedding in a Gastrointestinal Helminth of Gamebirds [PDF]

Ecology and Evolution
Host heterogeneity in disease transmission is commonly seen across host‐pathogen systems, and identifying individuals who contribute disproportionately to pathogen transmission (i.e., superspreaders) is key to understanding disease dynamics and managing ...
Katherine Prescott, Emile Michels, Barbara Tschirren   +2 more
doaj   +3 more sources

Excretion of Histomonas meleagridis following experimental co-infection of distinct chicken lines with Heterakis gallinarum and Ascaridia galli [PDF]

Parasites & Vectors, 2021
Background Histomonosis is a severe re-emerging disease of poultry caused by Histomonas meleagridis, a protozoan parasite which survives in the environment via the cecal worm Heterakis gallinarum. Following infection, the parasites reside in the ceca and
Gürbüz Daş, Lukas Wachter, Manuel Stehr, Ivana Bilic, Beatrice Grafl, Patricia Wernsdorf, Cornelia C. Metges, Michael Hess, Dieter Liebhart   +8 more
doaj   +2 more sources

Species Diversity and Geographical Distribution of Poultry Ascaridids: A Scoping Review. [PDF]

J Parasitol Res
Poultry nematodes, particularly Ascaridid species, significantly affect avian health and productivity and are widely distributed globally. Yet despite over 80% of poultry in developing countries being raised under extensive rearing systems, knowledge on infection risks posed by different poultry nematodes remains limited.
Pathak CR, Pandey DP, Khanal P.
europepmc   +2 more sources

Studies on Pathological Changes in the Gastrointestinal Tract Due to Helminth Infection in Backyard Chickens. [PDF]

J Parasitol Res
Backyard poultry farming is an important aspect for enhancing Pakistan′s rural economy, yet helminth infections remain a major issue for flock health and productivity. This study was conducted to assess the prevalence of gastrointestinal helminth parasites and to record the associated gross and histopathological lesions in backyard chickens from 12 ...
Bhutto S, Khushk S, Tariq M, Gadahi JA, Panhwer SN, Nizamani ZA, Memon S.   +6 more
europepmc   +2 more sources

Anthelmintic Activity of Iron Oxide Nanoparticles Against the Goose Nematode <i>Heterakis dispar</i> (Schrank, 1790): An In Vitro Study. [PDF]

Vet Med Int
In recent years, nanoparticles have been widely used in many fields, including biology and medicine. Helminthiasis pathogens continue to be detected in poultry farms, seriously affecting the quality of poultry meat. Therefore, the search for new anthelmintic agents has become an important area of research.
Rzayev F, Gasimov E, Nasirov A, Hajiyeva S, Huseynzada A, Allahverdiyev R, Babayeva M, Huseynova T, Allahverdiyeva S, Guliyeva N, Israfilova S, Seyidbeyli M, Keskin A, Rzayeva G.   +13 more
europepmc   +2 more sources

Morpho-molecular characterization and phylogenetic analysis of the Heterakidae nematode isolated from free-range chickens in the Sulaymaniyah Province, Iraq [PDF]

Veterinary World
Background and Aim: Heterakis gallinarum is a parasitic nematode that commonly infects the ceca of domestic and wild gallinaceous birds, acting as a vector for Histomonas meleagridis, the causative agent of blackhead disease. Despite its sig­nificance in
Shadan Hassan Abdullah
doaj   +2 more sources

THE RELATIONSHIP BETWEEN EIMERIA TENELLA AND HETERAKIS GALLINARUM INFECTION IN BROILER CHICKENS [PDF]

Kafrelsheikh Veterinary Medical Journal, 2004
The present investigation dealt with the effect of concurrent infections of E. tenella and Heterakis gallinarum in broiler chickens. Six groups of 10 chicks (15 day old) coccidia free Hubbard chicken were used in this work.
Effat A. EL-Sheshtawy, Entessar A. Arafa
doaj   +2 more sources

Coprological Detection of Gastrointestinal Nematodes in Intensively Managed Poultry Farms in Bishoftu, Ethiopia. [PDF]

J Parasitol Res
The poultry industry is an infant but rapidly growing sector in Ethiopia. Although poultry farming is one of the Ethiopian government’s developmental initiatives, the sector is facing various challenges, particularly due to infectious diseases. Among infectious diseases, helminthiasis is one of the challenges affecting poultry production.
Tefera M, Wasiyhun M.
europepmc   +2 more sources