Artículos científicos: Envíos recientes
Mostrando ítems 61-80 de 515
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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 ... -
Molecular detection and phylogenetic analysis of Anaplasma platys-like and Candidatus Anaplasma boleense strains from Argentina
(Elsevier, 2023-05)The present study aimed at the molecular detection of Anaplasma spp. in different samples obtained from cattle, goats and free-living Rhipicephalus microplus ticks from Argentina. DNA of members of the Anaplasmataceae ... -
A safe and effective vaccine against bovine leukemia virus
(Frontiers Media, 2022-08)Previous attempts to develop a vaccine against bovine leukemia virus (BLV) have not been successful because of inadequate or short-lived stimulation of all immunity components. In this study, we designed an approach based ... -
Effects of lactic acid bacteria and coagulase-negative staphylococci on dry-fermented sausage quality and safety: Systematic review and meta-analysis
(Elsevier, 2023-12)The meta-analysis aim was to confirm and quantifying the influence of starter cultures on microbiological and physical-chemical parameters of dry-fermented sausages at the end fermentation stage. The literature search ... -
Diversity and biological traits of bees visiting flowers of Cucurbita maxima var. zapallito differ between biodiversity-based and conventional management practices
(Springer Nature, 2024-01)Low diversity of pollinators and the modified composition of functional groups of bees have been proposed as the causes of pollination deficiency in cultivated Cucurbitaceae species. Functional groups of bees are determined ...