Títulos
Mostrando ítems 601-620 de 1028
-
Investigación enactiva: una opción frente a los reduccionismos del plan de comunicación estratégica en las organizaciones
(2016)En este artículo se presentan avances y resultados de la exploración de nuevas modalidades de planificación y gestión de la comunicación que se despliegan en el entorno de la metaperspectiva de la Comunicación Estratégica ... -
Involvement of matrix metalloproteinases and their inhibitors in Staphylococcus aureus chronically infected bovine mammary glands during active involution
(Elsevier, 2021-04)The aim of this study was to characterize the protein expression of matrix metalloproteinase-2 (MMP-2) and ‐− 9 and their inhibitors (TIMP-1 and -2) in mammary tissue of dairy cows with naturally occurring chronic S. aureus ... -
Isolation and characterization of non-O157 Shiga toxin-producing Escherichia coli from beef carcasses, cuts and trimmings of abattoirs in Argentina
(2017-08-22)Several foods contaminated with Shiga toxin-producing Escherichia coli (STEC) are associated with human diseases. Some countries have established microbiological criteria for non-O157 STEC, thus, the absence of serogroups ... -
Ixodes chilensis Kohls, 1956 (Acari: Ixodida: Ixodidae): re-description of the female, description of the nymph, and phylogenetic position inferred from mitochondrial DNA sequences of the 16S rRNA gene
(2018-08-28)This paper provides a re-description of the female and a description of the nymph of Ixodes chilensis Kohls, 1956. Additionally, the phylogenetic position of the species of Ixodes Latreille, 1796 belonging to the subgenus ... -
Ixodes inopinatus − Occurring also outside the Mediterranean region
(2018-02)We report the presence of Ixodes inopinatus and its sympatric occurrence with Ixodes ricinus in southeastern Germany, western Austria, and Romania. The identification of I. inopinatus was based on morphological and molecular ... -
Ixodes schulzei Aragão & Fonseca, 1951 in Argentina
(2016-06)Two females of Ixodes schulzei Aragão & Fonseca, 1951 were collected from Nectomys squamipes (Rodentia: Cricetidae: Sigmodontinae) at Iguazú National Park, Misiones Province, Argentina. This is the first record of this ... -
Ixodes silvanus n. sp. (Acari: Ixodidae), a new member of the subgenus Trichotoixodes Reznik, 1961 from northwestern Argentina
(Elsevier, 2020-09)Females, nymphs, and larvae of Ixodes silvanus n. sp. collected from birds and from the vegetation in northwestern Argentina (Yungas Phytogeographic Province) are described herein. The new species belongs to the subgenus ... -
Ixodidae (Acari: Ixodoidea): descriptions and redescriptions of all known species from 1758 to December 31, 2019
(Magnolia Press, 2020-11)References to the descriptions and redescriptions of the 742 species of Ixodidae published from 1758 to December 31, 2019 are compiled, with the goal of enabling tick taxonomists to readily access this diffuse and often ... -
Key management practices to prevent high infestation levels of Varroa destructor in honey bee colonies at the beginning of the honey yield season
(2016)Varroa destructor is considered one of the main threats to worldwide apiculture causing a variety of physiological effects at individual and colony level. Also, Varroa mites are often associated with several honey bee ... -
Laboratory and field studies to evaluate the potential of an open rearing system of Lysiphlebus testaceipes for the control of Aphis craccivora in Argentina
(2016-02)The aim of this work was to examine, both in the field and in the laboratory, ecological aspects of selected plant–aphid–parasitoid interactions to evaluate their potential for the open rearing of the parasitoid Lysiphlebus ... -
Langostas, plagas de ayer y de hoy
(EEA Reconquista, 2017-12)Los acrídidos (Acrididae), conocidos como langostas, tucuras, saltamontes, son una familia de insectos ortópteros. Los representantes de este grupo, son insectos predominantemente alados, saltadores, de tamaño mediano a ... -
Las unidades de producción con tambos de pequeña escala y su permanencia en la actividad lechera. Las Colonias, Santa Fe
(Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 2016)En el sector primario lechero, entre 1978 y 2007, la producción aumentó un 69% mientras que disminuyó el 65% de las Unidades de Producción con Tambo (UPT), especialmente aquellas de pequeña escala. La provincia de Santa ... -
Lechería Pampeana resultados del ejercicio 2016-2017: informe técnico
(Ediciones INTA, 2018-04)La encuesta sectorial lechera del INTA se realiza desde principios de la década del 2000 con el objetivo de conocer la situación de los establecimientos de producción de leche y generar proyecciones sobre el comportamiento ... -
Lineamientos de gestión para el abastecimiento sostenible de agua segura en pequeñas localidades del centro norte de la Provincia de Santa Fe (Argentina)
(Facultad de Ingeniería y Ciencias Hídricas, Universidad Nacional del Litoral, 2019-11)Las pequeñas localidades del noroeste de la Provincia de Santa Fe son conocedoras de los problemas de escasez de agua en cantidad, calidad y oportunidad. Un régimen de precipitaciones irregular, distancias largas a cursos ... -
Liolaemus lizards (Squamata: Liolaemidae) as hosts for the nymph of Amblyomma parvitarsum (Acari: Ixodidae), with notes on Rickettsia infection
(2016)Adults of Amblyomma parvitarsum are common ectoparasites of South American camelids of the genera Lama and Vicugna, occuring in highlands of Argentina, Bolivia, Chile, Peru and also in Argentinean Patagonia. Whereas larval ... -
Liposomal and CpG-ODN formulation elicits strong humoral immune responses to recombinant Staphylococcus aureus antigens in heifer calves
(Elsevier, 2019-05-01)Bovine mastitis caused by Staphylococcus aureus is a serious problem in dairy production and effective immunoprophylaxis is an unmet goal so far. The objective of this work was to assess the humoral immune response of ... -
Lluvias, inundaciones y pérdidas productivas
(Estación Experimental Agropecuaria Reconquista, INTA, 2019-07)Las inundaciones que afectaron durante el verano al norte de la provincia de Santa Fe causaron graves consecuencias en su estructura productiva. Se produjeron pérdidas casi la totalidad en agricultura, declarándose en ... -
Low Genetic Diversity of the Only Clade of the Tick Rhipicephalus microplus in the Neotropics
(MDPI, 2023-11)This study addresses the variability of the mitochondrial cytochrome oxidase subunit I (COI) and 16S rDNA (16S), and nuclear internal transcriber spacer ITS2 (ITS2) genes in a set of field-collected samples of the cattle ... -
Low-cost culture medium for biomass production of lactic acid bacteria with probiotic potential destined to broilers = Desarrollo de un medio de cultivo de bajo costo para la producción de biomasa potencialmente probiótica destinado a pollos parrilleros
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2021-01)The aim of this study was to evaluate different low-cost culture media for biomass production of 3 potential probiotic L. salivariusstrains, which could be destined to broilers at farms. Different formulated ... -
Macrofauna edáfica asociada a diferentes ambientes de un vivero forestal (Santa Fe, Argentina)
(Asociación Argentina Ciencia del Suelo, 2017-07)La edafofauna comprende una gran variedad de organismos que intervienen en numerosos procesos del suelo, afectando tanto el crecimiento de la vegetación como el mantenimiento de la productividad. El objetivo del trabajo ...