Artículos científicos: Envíos recientes
Mostrando ítems 61-80 de 519
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Autochthonous Lacticaseibacillus rhamnosus strains as probiotic candidates: comprehensive in vitro and in silico characterization
(Elsevier, 2026-01)This study aimed to identify promising probiotic candidates among 25 autochthonous lactic acid bacteria (LAB) isolates from dairy products sourced from southeastern Brazil. In vitro assays were carried out to elucidate ... -
Evaluation of the transmission of Anaplasma marginale by Amblyomma tonelliae
(Elsevier, 2025-02)This study aimed to evaluate A. marginale transstadial (TST) and transovarial transmission (TOT) by Amblyomma tonelliae through vector competence assays and analysis of natural infection in free-living ticks. This three-host ... -
Spatiotemporal heterogeneity of Rhipicephalus microplus resistance to chemical acaricides at intra-farm level: A case study using ivermectin
(Royal Entomological Society, 2024-12)The aim of this work was to analyse the spatiotemporal heterogeneity of Rhipicephalus microplus (Canestrini, 1888) (Acari: Ixodidae) resistance to chemical acaricides at intra-farm level under different environmental ... -
Molecular genotyping of Theileria spp. detected in horses from Corrientes City, Argentina
(Springer, 2024-12-24)After the previous description and characterization of Theileria equi sensu stricto (Genotype A) in Argentina, the aim of the present study was to investigate the possible heterogeneity of 18 S rDNA genotypes circulating ... -
Relationship between pharmacokinetics of fluazuron and its efficacy for controlling Rhipicephalus microplus: A comprehensive evaluation of tick drug uptake
(Elsevier, 2024-11)Relationship between fluazuron (FZN) concentrations in cattle plasma and ticks and its therapeutic efficacy percentage (EP) against Rhipicephalus microplus was analyzed. The extent of FZN uptake by ticks after its topical ... -
Development and evaluation of a TaqMan® real-time PCR assay for species-specific detection of Ehrlichia canis
(Elsevier, 2024-12)The aim of this work was to develop a real-time PCR assay with a TaqMan® probe that detects a species-specific part of the 16S rDNA gene of Ehrlichia canis. Canine blood samples (n = 207), collected and tested by a ... -
Fusarium Species Causing Dry Rot of Carrot in Central Argentina
(Wiley, 2024-10)Carrot (Daucus carota L. subsp. sativus) cultivation is important in Argentina, with the Garay department in Santa Fe province being a key production area. In recent years, dry rot symptoms have afflicted various carrot ... -
Milk production systems in Latin America and the Caribbean: biophysical, socio-economic, and environmental performance
(Elsevier, 2024-06)CONTEXT: The Latin America-Caribbean (LAC) region has the potential to pursue a sustainable expansion of livestock production and capitalise on the growing global demand for dairy and beef products. However, it is necessary ... -
Macrocyclic lactones and ectoparasites control in livestock: efficacy, drug resistance and therapeutic challenges
(Elsevier, 2024-08)Macrocyclic lactones (MLs) are the cornerstone of parasite control in livestock due to their broad-spectrum activity against endo (nematodes) and ecto (lice, ticks, mites) parasites. These molecules, introduced into the ... -
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 ... -
Analysis of scenarios to reduce the probability of acquiring hemolytic uremic syndrome associated with beef consumption
(Sage Publications, 2021)The objective of this study was to develop a quantitative microbial risk assessment (QMRA) model to evaluate potential risk mitigation strategies to reduce the probability of acquiring hemolytic uremic syndrome (HUS) ... -
Feeding Calcium Salts of Linseed Oil on Metabolic Status and Reproductive Traits in Grazing Dairy Cows
(Scientific Research Publishing, 2024-07)This experiment aimed to evaluate the effect of calcium salts of linseed oil (rich in alpha-linolenic acid (ALA, C18:3n-3) on metabolic and reproductive traits in high-producing dairy cows under grazing. Thirty-six Holstein ... -
Characterization of novel proteases identified by metagenomic analysis from dairy stabilization ponds
(Springer, 2023-05)Cheese whey is the main by-product of dairy industries. It is used as a raw material for other value-added products, like whey protein concentrate. By using enzymes, this product can be further treated to obtain new higher ... -
First large‑scale study reveals important losses of managed honey bee and stingless bee colonies in Latin America
(Springer Nature, 2024-05)Over the last quarter century, increasing honey bee colony losses motivated standardized large-scale surveys of managed honey bees (Apis mellifera), particularly in Europe and the United States. Here we present the first ... -
Tick-borne microorganisms in Amblyomma tigrinum (Acari: Ixodidae) from the Patagonian region of Argentina
(Springer Link, 2024-01)This study presents the results of the molecular detection of tick-borne microorganisms in Amblyomma tigrinum Koch collected near the city of Viedma, Río Negro, Argentina. Ticks were collected in their non-parasitic stage, ... -
Rhipicephalus microplus (Acari: Ixodidae) parasitando Axis axis (Artiodactyla: Cervidae) ciervo exótico, en la provincia de Entre Ríos, Argentina = Rhipicephalus microplus (Acari: Ixodidae) parasitizing Axis axis (Artiodactyla: Cervidae) chital deer, from the Entre Ríos province, Argentina
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2024-05)El presente trabajo reporta el hallazgo de especímenes de Rhipicephalus microplus (garrapata común del bovino) parasitando a dos ciervos exóticos Axis axis encontrados atropellados en dos líneas temporales (2021 y 2023) ... -
Strategic control of the cattle tick Rhipicephlaus microplus applied to rotational and silvopastoral grazing systems in subtropical areas
(Springer Link, 2024-06)This work evaluated if strategic control based on no more than three or four annual treatments is useful to control Rhipicephalus microplus infestations on cattle when it is applied to intensive rotational grazing and ... -
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 ... -
Efecto de la ubicacion y el tiempo de permanencia de la miel en la colmena sobre la humedad, el color y el HMF
(Editorial Eunk, 2024-06)Los alimentos azucarados son muy sensibles al calor y pueden deteriorarse durante el almacenamiento. El hidroximetilfurfural (HMF) es un compuesto formado por la deshidratación de la fructosa, su presencia en la miel se ... -
Comparison of real-time PCR and nested PCR based on the HlyA gene for the detection of Listeria monocytogenes. Application on cheese samples
(Springer, 2024-04)The aim of the present study was to compare the performance of a nested polymerase chain reaction (nPCR) and a real-time PCR based on the amplification of the HlyA gene from Listeria monocytogenes using a plasmid DNA ...