Títulos
Mostrando ítems 434-453 de 610
-
Perception of factors affecting tropical forage grass seed production in Argentina
(2019-05)In Argentina there is an extended region where tropical pastures have shown adaptation to diverse stresses and climate change. Despite their potential role in livestock systems tropical pastures have been underutilized, ... -
Performance of dairy cows supplemented with by-pass fat under heat stress conditions
(Scientific Research Publishing Inc., 2023-01)The objective of this study was to determine the effect of supplementation with a protected fat source on the productive response, metabolic environment and physiological indicators in Holstein cows under heat stress ... -
Performance of Lactobacillus paracasei 90 as an adjunct culture in soft cheese under cold chain interruption
(Elsevier, 2020-06)In this work, we simulated cold chain interruptions in soft cheeses of high-moisture to assess their impact on ripening, putting attention on the behaviour of an adjunct culture of Lactobacillus paracasei 90 (L90) when it ... -
Pérdidas de preñez en un rodeo de cría del norte de la provincia de Santa Fe = Pregnancy losses in a beef cattle herd in northern Santa Fe
(Asociación Argentina de Producción Animal, 2013-12)Se evaluó durante tres años consecutivos las pérdidas por abortos en un rodeo de cría bovino, libre de brucelosis y tuberculosis, con control de enfermedades venéreas y aplicación de vacunas contra enfermedades reproductivas. ... -
Pheno- and genotyping of Brucella abortus biovar 5 isolated from a water buffalo (Bubalus bubalis) fetus: First case reported in the Americas
(2014-09-17)An isolate of Brucella spp. from an aborted water buffalo (Bubalus bubalis) fetus was characterized based on its pheno- and genotype. The phenotype was defined by carbon dioxide requirement, hydrogen sulfide production, ... -
Phenotypic plasticity to drought in seedlings of the warm season grass Panicum coloratum is related to collection site
(Wiley, 2019-09)Phenotypic plasticity is the ability of organisms to modify their phenotype in response to environmental changes. We estimated and compared the amount of phenotypic plasticity in response to drought in seedlings of different ... -
Phylogenetic divergence between Rickettsia amblyommatis strains from Argentina
(Elsevier, 2020-02)The aim of this study was to investigate if there is a phylogenetic divergence of Rickettsia amblyommatis strains from different phytogeographic provinces of Argentina and South America. Therefore, ompA and ompB gene ... -
Phylogenetic position of Theileria cervi detected in Blastocerus dichotomus (Artiodactyla: Cervidae) with clinical symptoms from argentina
(Elsevier, 2022-07)The results of this study document the molecular detection of Theileria cervi in a symptomatic adult marsh deer Blastocerus dichotomus (Artiodactyla: Cervidae) from Argentina and characterize the phylogenetic position of ... -
Phylogenetic relationships of the Amblyomma cajennense complex (Acari: Ixodidae) at mitogenomic resolution
(Elsevier, 2023-05)The genus Amblyomma is the third most diverse in the number of species within the Ixodidae, with practically half of its species distributed in the Americas, though there are also species occurring in Africa, Asia, and ... -
Plasticidad fenotípica en Panicum coloratum: variabilidad genética, heredabilidad y expresión diferencial de la plasticidad
(Facultad de Agronomía, Universidad de Buenos Aires, 2018-06)Plasticidad fenotípica es la capacidad de un genotipo de generar diferentes fenotipos cuando es expuesto a diferentes ambientes. Desde el punto de vista genético, en plantas de uso agronómico como las forrajeras megatérmicas, ... -
Potential associations between the mite Varroa destructor and other stressors in honeybee colonies (Apis mellifera L.) in temperate and subtropical climate from Argentina
(2018-09-14)The presence of Varroa destructor in colonies of Apis mellifera is explained by the interaction among a number of factors including beekeeping practices and surrounding environment features. The aim of this study was to ... -
Potential of Lactic Acid Bacteria Isolated From Different Forages as Silage Inoculants for Improving Fermentation Quality and Aerobic Stability
(Frontiers Media, 2020-12)We aimed at isolating lactic acid bacteria (LAB) from different plant materials to study their crossed-fermentation capacity in silos and to find strains able to confer enhanced aerobic stability to silage. A total of 129 ... -
Predicting male fertility in dairy cattle using markers with large effect and functional annotation data
(BMC, 2019-04)Background: Fertility is among the most important economic traits in dairy cattle. Genomic prediction for cow fertility has received much attention in the last decade, while bull fertility has been largely overlooked. The ... -
Predicting the northward expansion of tropical lineage Rhipicephalus sanguineus sensu lato ticks in the United States and its implications for medical and veterinary health
(Plos One, 2022-08)The tropical lineage within the Rhipicephalus sanguineus species complex is cause for growing concern in the U.S. based on its prominent role in creating and perpetuating multiple recently identified outbreaks of Rocky ... -
Predominio de la dimensión informativa en las acciones de comunicación de tecnología en la Estación Experimental Agropecuaria Rafaela del Instituto Nacional de Tecnología Agropecuaria (INTA), durante el período 2012-2013
(Facultad de Ciencia Política y Relaciones Internacionales, Universidad Nacional de Rosario, 2015-03)La comunicación estratégica es un modelo teórico-metodológico de investigación enactiva creado por la Dra. Sandra Massoni en su tesis doctoral “Estrategias de comunicación rural: un modelo de abordaje de la dimensión ... -
Preliminary study on parasitism of aphids (Hemiptera: Aphididae) in relation to characteristics of alfalfa fields (Medicago sativa L.) in the Argentine Pampas
(Elsevier, 2012-09-12)Alfalfa is a perennial crop and is one of the most relevant forage resources for cattle in the Argentine Pampas, with aphids (Hemiptera Aphididae), one of the main pest insects in alfalfa, being frequently attacked by a ... -
Preparation and characterization of a Staphylococcus aureus capsular polysaccharide-protein conjugate prepared by a low cost technique: a proof-of-concept study
(2015-01)Staphylococcus aureus is a worldwide distributed pathogen that produces several diseases in many species and is the major cause of mastitis in dairy cows. S. aureus capsular polysaccharide 5 (CP5) has been widely proposed ... -
Presence of Borrelia in different populations of Ixodes pararicinus from northwestern Argentina
(2017)This work was performed to evaluate the presence of Borrelia in different populations of Ixodes pararicinus from northwestern Argentina (Jujuy, Salta and Tucumán provinces). Questing adults and nymphs of I. pararicinus ... -
The presence of Rhipicephalus muhsamae north of the Sahara
(2017)The occurrence of male and female Rhipicephalus muhsamae feeding on dogs and a horse in Upper Egypt is described. The morphological identification was verified using partial 16S rRNA gene sequences. By applying respective ... -
Presencia de serotipos de Campylobacter jejuni O:19 en la cadena avícola Argentina = Campylobacter jejuni O:19 serotype in Argentine poultry meat supply chain
(2017-06)Las especies termotolerantes de Campylobacter han tomado gran relevancia en los últimos años debido a que son los principales agentes zoonóticos causantes de enfermedades transmitidas por alimentos. Adicionalmente, ...