Results 41 to 50 of about 1,250 (174)

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

open access: yesSemina: 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   +3 more
doaj   +1 more source

Avermectin resistance in Cooperia pectinata in cattle in Argentina

open access: yesVeterinary Record, 2001
Fil: Anziani, Oscar Sergio.
Anziani, Oscar Sergio   +4 more
openaire   +3 more sources

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

open access: yesSemina: 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   +5 more
doaj  

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

open access: yesCiência 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   +3 more
doaj   +1 more source

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

open access: yesInternational 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   +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

open access: yesCiência 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   +7 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

open access: yesRevista 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   +4 more
doaj   +1 more source

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

open access: yesVeterinary 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   +5 more
wiley   +1 more source

A review of pasture mixes and management strategies to reduce the impact of facial eczema in New Zealand

open access: yesNew Zealand Journal of Agricultural Research, Volume 68, Issue 6, Page 1265-1287, December 2025.
ABSTRACT In New Zealand, facial eczema (FE) is a serious health and welfare issue for grazing ruminants caused by ingesting toxic spores of the fungus Pseudopithomyces chartarum. A literature review of research about the effect of pasture plant species, farm management practices and associated environmental factors on FE in New Zealand, was undertaken.
Sonya T. Olykan, Derrick J. Moot
wiley   +1 more source

Evaluation of reduction in egg shedding of gastrointestinal nematodes in cattle following administration of anthelmintics Avaliação na redução de ovos de nematódeos gastrintestinais em bovinos após a administração de anti-helmínticos

open access: yesRevista Brasileira de Parasitologia Veterinária, 2010
To evaluate the necessary time and to identify the differences among anthelmintics for the reduction of parasite eggs shed in feces, five groups of cattle were treated with moxidectin, ivermectin, levamisole phosphate, and albendazole sulphoxide ...
Ricardo Velludo Gomes de Soutello   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy