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Análisis de eficacia antihelmíntica realizados por veterinarios en establecimientos bovinos de la región ganadera central
(Estación Experimental Agropecuaria General Villegas, INTA, 2021)La parasitosis gastrointestinal es una de las enfermedades que mayor impacto económico ocasiona en los sistemas pastoriles de producción de carne bovina a nivel mundial (Charlier et al., 2015), principalmente por afectar ... -
Comparative assessment of different ivermectin and doramectin formulations for mange control in grazing steers
(Elsevier, 2023-04)Psoroptic mange causes relevant losses of productivity in cattle. Macrocyclic lactones are one of the main pharmacological tools recommended for controlling it. The aim of the current work was to compare the relationship ... -
Comparative tissue pharmacokinetics and efficacy of moxidectin, abamectin and ivermectin in lambs infected with resistant nematodes: Impact of drug treatments on parasite P-glycoprotein expression
(Elsevier, 2013-12)The high level of resistance to the macrocyclic lactones has encouraged the search for strategies to optimize their potential as antiparasitic agents. There is a need for pharmaco-parasitological studies addressing the ... -
Eficacia del monepantel para el control de aislamientos de Haemonchus contortus y Trichostrongylus spp. con resistencia múltiple (ivermectina y febendazole) en caprinos
(Facultad de Ciencias Veterinarias de Esperanza, Universidad Nacional del Litoral, 2016)El monepantel es un nuevo antihelmíntico registrado en nuestro país exclusivamente para el control de los nematodes gastrointestinales de los ovinos y su uso ha sido direccionado mayormente hacia el control de parásitos ... -
Evaluación de la eficacia de antisárnicos contra Psoroptes ovis en ovinos
(EEA Bariloche, INTA, 2021-02)En el presente informe técnico se describen los principales resultados obtenidos en estudios de eficacia de formulaciones inyectables de ivermectina (IVM) y doramectina (DRM) contra Psoroptes ovis en ovinos infestados ... -
Evaluación farmaco-parasitologica de la via de administración sobre la eficacia de la ivermectina contra nematodes gastrointestinales resistentes de los ovinos
(Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 2011-07)El presente trabajo de tesis abordó la Resistencia Antihelmíntica desde un enfoque integrador fármaco-parasitológico, comparando la eficacia clínica y la farmacocinética de IVM administrada por diferentes vías (subcutánea ... -
Falla en la eficacia de dos formulaciones de ivermectina contra Psoroptes ovis (Hering, 1838) en ovinos
(Faculta de Ciencias Veterinarias, Universidad Nacional del Litoral, 2020-06)El presente trabajo evaluó la relación entre la eficacia y la farmacocinética de dos formulaciones comerciales inyectables de ivermectina (IVM) en ovinos merino adultos artificialmente infestados con Psoroptes ovis. Los ... -
First report of in vitro resistance of Psoroptes ovis to ivermectin in Argentina
(Elsevier, 2022-04)Sheep scab, or psoroptic mange, a disease caused by the mite Psoroptes ovis, is commonly treated with ivermectin (IVM) and other macrocyclic lactones. In Argentina, in vivo trials have shown a decrease in IVM effectiveness ... -
Influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against Rhipicephalus (Boophilus) microplus
(Systematic and Applied Acarology Society, 2022-08)This study aimed to evaluate how the method of body weight estimation of a herd (average vs individual) for drug dosing may affect the pharmacokinetics and therapeutic efficacy of ivermectin 3.15% against Rhipicephalus ... -
Ivermectin antiviral activity against Varicellovirus bovinealpha 1: assessment of intracellular drug accumulation in virus‑infected cells
(Springer, 2024-01)Varicellovirus bovinealpha 1 (formerly bovine alphaherpesvirus type 1, BoAHV-1) is associated with several syndromes in cattle, including respiratory disease and is one of the main agents involved in the bovine respiratory ... -
Prácticas de control helmíntico en sistemas de producción de carne bovina de la región central de Argentina
(Facultad de Agronomía y Veterinaria, Universidad Nacional de Río Cuarto, 2019-07)El objetivo del estudio fue obtener información sobre las prácticas antihelmínticas realizadas en sistemas de producción de carne bovina de la región central del país. Entre octubre y diciembre de 2016 se encuestaron 59 ... -
Reduced efficacy of ivermectin and moxidectin against Parascaris spp. in foals from Argentina
(Elsevier, 2020-02)Macrocyclic lactones are the most widely used drugs for the control of gastrointestinal nematodes of horses in Argentina. Ivermectin and moxidectin are used as broad spectrum anthelmintics and although there are several ... -
Relationship between pharmacokinetics of ivermectin (3.15%) and its efficacy to control the infestation with the tick Rhipicephalus (Boophilus) microplus in cattle
(Elsevier, 2019-04)This study aimed to determine the relationship between the variation in plasma concentration of ivermectin 3.15% over time and its efficacy against the cattle tick Rhipicephalus (Boophilus) microplus. In addition, a trial ... -
Resistance of the cattle tick Rhipicephalus (Boophilus) microplus to ivermectin in Argentina
(Elsevier, 2020)Resistance to ivermectin in populations of the cattle tick Rhipicephalus microplus in Argentina was diagnosed in this work. The in vitro larval immersion test (LIT) was used to determine quantitatively the levels of ... -
Successive treatments with ivermectin (3.15%) to control the tick Rhipicephalus (Boophilus) microplus in cattle: Pharmacokinetic and efficacy assessment
(Elsevier, 2022-01)This study aimed to evaluate the pharmacokinetics, the potential accumulation in the body of treated animals and the efficacy of ivermectin long-acting formulation (3.15%) against the cattle tick Rhipicephalus (Boophilus) ...