Temas
Mostrando ítems 1-20 de 84
-
A comparison of two in vitro bioassays to detect resistance of the cattle tick Rhipicephalus microplus to fipronil
(Elsevier, 2023-01)The aim of this work is to compare the sensitivity of two in vitro bioassays to detect resistant to fipronil in Argentinean populations of the cattle tick Rhipicephalus microplus. Two different larval bioassays prepared ... -
A Trypanosoma species detected in Rhipicephalus (Boophilus) microplus ticks from Argentina
(Elsevier, 2020-09)Specimens of a Trypanosoma sp. were found in a haemolymph sample of Rhipicephalus microplus from Argentina. Polymerase chain reaction (PCR) was done targeting the SSU rRNA gene of Trypanosoma spp. and a fragment of 2300 ... -
Una actualización sobre el meteorismo espumoso bovino = An update on frothy bloat in cattle
(Facultad de Ciencias Veterinarias, Universidad Austral de Chile, 2010)El meteorismo espumoso bovino es un trastorno digestivo que limita la producción en los bovinos para carne y leche. Muchos factores han sido involucrados como causales del mismo, sin conocerse a ciencia cierta su influencia ... -
Alternative applications of the strategic control against the cattle tick Rhipicephalus (Boophilus) microplus in a subtropical area
(Springer, 2021-09)Although different evaluations on the efficacy of the strategic control against Rhipicephalus microplus have been performed, the effects of successive applications of these schemes on the abundance of cattle ticks have not ... -
An Ibero-American inter-laboratory trial to evaluate serological tests for the detection of anti-Neospora caninum antibodies in cattle
(2018-01)We carried out an inter-laboratory trial to compare the serological tests commonly used for the detection of specific Neospora caninum antibodies in cattle in Ibero-American countries. A total of eight laboratories ... -
Analysis of management factors influencing Anaplasma marginale transmission
(Elsevier, 2024-10)The aim of this study was to identify factors that play a key role in the epidemiology of bovine anaplasmosis by adapting a model primarily developed for cattle babesiosis. A cross-sectional observational study was conducted ... -
Antimicrobial resistance of Staphylococcus aureus isolated from bovine mastitis: Systematic review and meta-analysis
(Elsevier, 2021-03)Staphylococcus aureus, one of the main contagious mastitis pathogens worldwide, is characterized for causing chronic intramammary infections that respond poorly to antimicrobial therapy, disseminating within the herd leading ... -
Antimicrobial resistance of Streptococcus uberis isolated from bovine mastitis: Systematic review and meta-analysis
(Elsevier, 2023-11)Streptococcus uberis is one of the most common pathogens associated with bovine mastitis, commonly treated with antimicrobials (AM), favoring the appearance of antimicrobial resistance (AMR). The objective of this work was ... -
Aspectos de la respuesta inmune innata en las infecciones intramamarias causadas por Staphylococcus aureus en bovinos = Aspects of the innate immune response to intramammary Staphylococcus aureus infections in cattle
(2014-10)Staphylococcus aureus es el principal agente causante de mastitis bovina en Argentina y en el mundo. Esta bacteria ocasiona infecciones crónicas que generan importantes pérdidas a los productores y la industria lechera. ... -
Assays to evaluate the transovarial transmission of Anaplasma marginale by Rhipicephalus microplus
(Elsevier, 2022-11)The aim of this study was to evaluate the vectorial competence of Rhipicephalus microplus to transmit Anaplasma marginale transovarially, by analyzing the results of three different but complementary assays. First, larvae ... -
Assessment of habitat suitability for the cattle tick Rhipicephalus (Boophilus) microplus in temperate areas
(Elsevier, 2022-07)The aim of this research was to analyze and model the aptitude of temperate areas to support permanent populations of the cattle tick Rhipicephalus microplus, which is principally distributed in tropical and subtropical ... -
Babesiosis prevalence in malaria-endemic regions of Colombia
(Wolters Kluwer, 2018-07)Background & objectives: The presence of Babesia spp in humans, bovine cattle and ticks (the transmitting vector) has not been well characterized in Colombia. Babesia infection in humans can be overlooked due to similarity ... -
Cambios en la productividad de los tambos del sur de Santa Fe = Changes in dairy farm productivity in the southern Santa Fe
(Asociación Argentina de Producción Animal, 2013-12)Se verificaron y analizaron los cambios producidos en la productividad de los sistemas lecheros del sur de Santa Fe en las últimas tres décadas. Se propusieron y compararon los modelos que mejor explican la productividad ... -
Cambios en la sustentabilidad ambiental de tambos del sur de la provincia de Santa Fé, Argentina = Changes in the environmental sustainability of dairy farms in the southern Santa Fe province, Argentina
(Asociación Argentina de Producción Animal, 2017-12)El proceso de intensificación de los tambos en Argentina ha transformado los sistemas de base pastoril en sistemas de base pastoril intensificados. El objetivo del trabajo fue evaluar, utilizando indicadores de sustentabilidad ... -
Capacity of two Staphylococcus aureus strains with different adaptation genotypes to persist and induce damage in bovine mammary epithelial cells and to activate macrophages
(Elsevier, 2020-01)The aim of this study was to evaluate and compare the ability to adhere/internalize, persist, and induce damage in mammary epithelial cells (MAC-T) of two Staphylococcus aureus strains with different adaptation genotypes ... -
Casos de anaplasmosis, babesiosis y tripanosomiasis bovina registradas en el INTA Rafaela (2012-2019)
(Facultad de Ciencias Veterinarias, Universidad Nacional del Nordeste, 2022-06)Anaplasmosis, babesiosis y tripanosomiasis de los bovinos son enfermedades de importancia económica provocadas por Anaplasma marginale, Babesia bovis y/o Babesia bigemina, y Trypanosoma vivax, respectivamente. En este ... -
Characterization of immune response in Staphylococcus aureus chronically infected bovine mammary glands during active involution
(2017-10)The aim of this study was to characterize the immune response in Staphylococcus aureus chronically infected bovine mammary glands during active involution. Twenty-one Holstein non-pregnant cows in late lactation either ... -
Comparative analysis of Rhipicephalus microplus (Canestrini, 1888) infestation in pure breed (Hereford) and cross breed (Braford) cattle herds subjected to the same chemical treatments
(Springer Nature, 2024-05)The aim of this work was to analyze the R. microplus (Canestrini, 1888) infestation in two bovine herds with different degrees of natural resistance (i.e., Hereford and Braford) to ticks subjected to an identical chemical ... -
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 evaluation of udder and body conformation traits of first lactation ¾ Holstein x ¼ Jersey versus Holstein cows = Comparación de las características de conformación de la ubre y el cuerpo de vacas de primera lactancia ¾ Holstein x ¼ Jersey versus Holstein
(Facultad de Ciencias Veterinarias, Universidad Austral de Chile, 2015)To facilitate the process of decision-making in selecting specific breeds for crossbreeding, this study aimed to determine the conformation traits of ¾ Holstein (HO) x ¼ Jersey (JE) crossbreds, relative to their pure HO ...