Results 41 to 50 of about 1,258 (169)

Regional heterogeneity and unexpectedly high abundance of Cooperia punctata in beef cattle at a northern latitude revealed by ITS-2 rDNA nemabiome metabarcoding

Parasites & Vectors, 2022
Background The species composition of cattle gastrointestinal nematode (GIN) communities can vary greatly between regions. Despite this, there is remarkably little large-scale surveillance data for cattle GIN species which is due, at least in part, to a ...
Eranga Lakshitha De Seram, Elizabeth Mary Redman, Felicity Kaye Wills, Camila de Queiroz, John Ross Campbell, Cheryl Lynne Waldner, Sarah Elizabeth Parker, Russell William Avramenko, John Stuart Gilleard, Fabienne Dominique Uehlinger   +9 more
doaj   +1 more source

Diagnosis of first stage larvae of gastrointestinal nematodes of dairy calves in the city of Paty do Alferes-RJ/
Diagnóstico de larvas de primeiro estágio de nematóides gastrintestinais de bezerros leiteiros do município de Paty do Alferes – RJ

Semina: Ciências Agrárias, 2011
An epidemiologycal survey were carried out using the filter of Visser technique for the diagnosis of first-stage larvae (L1) of gastrointestinal nematodes in faecal samples from 150 dairy calves in Paty do Alferes city, Rio de Janeiro state.
Argemiro Sanavria, Marcus Sandes Pires, Marcelo Abidu-Figueiredo, Richard Karl Reinecke   +3 more
doaj   +1 more source

PARASITOS GASTRINTESTINAIS EM CAPRINOS E OVINOS DA MICRORREGIÃO DO ALTO MEARIM E GRAJAÚ, ESTADO DO MARANHÃO

Ciência Animal Brasileira, 2009
Este trabalho teve como objetivo conhecer os nematoides gastrintestinais e verificar a presença de Eimeria spp. em caprinos e ovinos da microrregião do Alto Mearim e Grajaú, estado do Maranhão.
Danilo Rodrigues B. Brito, Ana Clara Gomes Santos, Whaubtyfran Cabral Teixeira, Rita Maria S. N. de Candanedo Guerra   +3 more
doaj   +1 more source

Frequency and intensity of infection by helminths in cattle slaughtered at the abattior, of the northwest of region state of São Paulo, Brazil/
Freqüência e intensidade parasitária de helmintos gastrintestinais em bovinos abatidos em frigorífico da região noroeste do Estado de São Paulo, SP, Brasil

Semina: Ciências Agrárias, 2001
Parasitary gastrointestinal helminths frequency and intensity were studied in 48 female bovines, with different zebu and taurine crossbreeding degrees, ages ranging between 24 and 30 months, from eight counties in the Northwest of São Paulo State ...
Luis Gustavo Ferraz Lima, Silvia Helena Venturolli Perri, Alessandro Francisco Talamini Amarante, Alvimar José da Costa, Adjair Antônio do Nascimento, Katia Denise Saraiva Bresciani   +5 more
doaj  

Gastrointestinal parasites of sheep, municipality of Lajes, Rio Grande do Norte, Brazil Parasitos do trato gastrintestinal de ovinos, município de Lajes, Rio Grande do Norte, Brasil

Revista Brasileira de Parasitologia Veterinária, 2012
This study investigated the gastrointestinal parasitism by helminths and protozoa in sheep (Ovis aries) Santa Inês breed, municipality of Lajes, Rio Grande do Norte.
Maria de Fátima de Souza, Manoel Pimentel-Neto, Rízia Maria da Silva, Albeísa Cleyse Batista Farias, Marcos Pezzi Guimarães   +4 more
doaj   +1 more source

Route of administration influences the concentration of ivermectin reaching nematode parasites in the gastrointestinal tract of cattle

International Journal for Parasitology: Drugs and Drug Resistance, 2020
An animal trial was conducted to measure the concentrations of ivermectin occurring in abomasal and small intestinal contents and mucosa, and in the target parasites (Ostertagia ostertagi and Cooperia oncophora) following administration by subcutaneous ...
D.M. Leathwick, C.M. Miller, T.S. Waghorn, H. Schwendel, A. Lifschitz   +4 more
doaj   +1 more source

Helminth fauna of bovines from the Central-Western region, Minas Gerais State, Brazil Fauna helmintológica de bovinos da região Centro-oeste do Estado de Minas Gerais, Brasil

Ciência Rural, 2010
Seventy-six naturally infected bovines, males and females of mixed breed, aged 8 to 12 months-old, were necropsied. The results of necropsy revealed the presence of 9 helminth genera and 16 species, with the following prevalence and mean infection ...
Thaís Rabelo dos Santos, Welber Daniel Zanetti Lopes, Carolina Buzulini, Fernando de Almeida Borges, Cláudio Alessandro Massamitsu Sakamoto, Roberto Cesar de Araújo Lima, Gilson Pereira de Oliveira, Alvimar Jose da Costa   +7 more
doaj  

The vitamin D receptor and inducible nitric oxide synthase associated pathways in acquired resistance to Cooperia oncophora infection in cattle

Veterinary Research, 2011
Cooperia oncophora is an economically important gastrointestinal nematode in ruminants. Acquired resistance to Cooperia oncophora infection in cattle develops rapidly as a result of prior infections.
Li Robert W, Li Congjun, Gasbarre Louis C   +2 more
doaj   +1 more source

Avermectin resistance in Cooperia pectinata in cattle in Argentina

Veterinary Record, 2001
Fil: Anziani, Oscar Sergio.
Anziani, Oscar Sergio, Zimmermann, G., Guglielmone, Alberto Alejandro, Vazquez, R., Suarez, V.   +4 more
openaire   +3 more sources

Prevalence and Risk Factors of Gastrointestinal Parasitic Infections in Buffaloes Across Commercial and Subsistence Farming Systems in Butwal, Nepal

Veterinary Medicine International, Volume 2026, Issue 1, 2026.
Background Gastrointestinal parasites (GIPs) impair livestock productivity and impose economic burdens on farmers. Buffaloes are central to Nepal’s dairy sector, yet comparative data on GIP burden across farming systems remain limited. Objective This study investigates GIP prevalence and associated risk factors in buffaloes under commercial and ...
Arti Neupane, Shristi Bhandari, Tikaram Khanal, Kishor Pandey, Rajendra Prasad Parajuli, Lipi Buch   +5 more
wiley   +1 more source