Artículos científicos: Envíos recientes
Mostrando ítems 261-280 de 646
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Alpha-mannosidosis caused by toxic plants in ruminants of Argentina
(Academia Brasileira de Ciencias, 2021)It is well known that several of the swainsonine-containing plant species found widespread around the world have a negative economic impact in each country. In Argentina, most of the information on the poisonous plant ... -
Maqui (Aristotelia chilensis [Mol.] Stuntz) morphological and phenolic traits associated with forests type and latitudinal gradient in natural populations of Patagonia Argentina
(Elsevier, 2021-12)Maqui (Aristotelia chilensis [Mol.] Stuntz) is a native berry of the Patagonia Andean forests, which has one of the highest antioxidant levels currently known. This biochemical characteristic strongly depends on the phenolic ... -
Landholders’ perceptions on legal reserves and agricultural intensification: Diversity and implications for forest conservation in the eastern Brazilian Amazon
(Elsevier, 2021)Forest conservation on privately owned lands is a cornerstone of the Brazilian environmental policy framework. Brazilian legislation requires that all farms in the country maintain and protect forest areas known as Legal ... -
The application of ecologically intensive principles to the systemic redesign of livestock farms on native grasslands: A case of co-innovation in Rocha, Uruguay
(Elsevier, 2021-06)CONTEXT: Family-run cow-calf farms based on native grasslands exhibit low economic and social sustainability, as reflected in low family incomes and high workloads. Experimental results have shown that pasture–herd interaction ... -
Understanding introduction history: Genetic structure and diversity of the edible ectomycorrhizal fungus, Suillus luteus, in Patagonia (Argentina)
(Taylor & Francis, 2021-06)Suillus luteus is a common ectomycorrhizal (EM) fungus associated with several Pinus species. It is distributed throughout the Northern Hemisphere and has been introduced into South America and New Zealand. We examined the ... -
A combination of rules govern fruit trait preference by frugivorous bat and bird species: nutrients, defence and size
(Elsevier, 2021-06)Several hypotheses explain how sensory, anatomical and physiological constraints drive fruit preference in frugivores. Optimal diet theory (ODT) states that frugivores make decisions based on the energy contained in food. ... -
Neumonía en un carnero Merino causada por Erysipelothrix rhusiopathiae
(Biogenesis Bagó, 2005)Se comunica un caso de un carnero que presentó severa dificultad respiratoria y que no respondió al tratamiento con antibióticos. Clínicamente se comprobó un cuadro crónico, con tos, respiración de tipo abdominal, rales a ... -
Evaluación de una técnica de doble difusión en gel de Agar para el diagnostico de la infección por Brucella Ovis en carneros
(Biogenesis Bagó, 1998)La brucelosis ovina por Brucella ovis es una enfermedad infecto contagiosa de distribución mundial, presente en nuestro país desde 1963. El diagnóstico serológico basado en la inmunodifusión en gel de agar ha sido la técnica ... -
Antecedentes y situación epidemiológica de la Brucelosis bovina en la Región Patagónica Argentina
(Sociedad de Medicina Veterinaria, 2004)Se realizó una recopilación y análisis de la información técnica disponible sobre Brucelosis Bovina de la Patagonia Argentina. Se confirma la presencia de la enfermedad en dicha región desde la década del 50 y su actual ... -
Caracterización reproductiva del caprino Criollo Neuquino
(Asociación Latinoamericana de Producción Animal, 2021-08)La raza caprina CriolloNeuquina habita la provincia de Neuquén (Argentina) y constituye la forma de vida de 1 600 crianceros del norte neuquino, debido a su alta eficiencia reproductiva y potencial productivo. Tras varias ... -
Development and evaluation of a species-specific PCR assay for the detection of Brucella ovis infection in rams
(Elsevier, 2010)Brucella ovis infection is a major cause of epididymitis and infertility in rams, resulting in reproductive failure and significant economic losses worldwide. The goal of this study was to develop a PCR test targeting ... -
Encuesta serológica sobre Brucelosis bovina en ganado de la provincia de Río Negro, Argentina, en el área de vacunación antiaftosa
(Biogenesis Bagó, 2005)Se realizó un estudio de prevalencia de Brucelosis bovina en los departamentos del Noreste de la provincia de Río Negro. Se procesaron 1774 muestras de suero pertenecientes a 182 establecimientos. La serología diagnóstica ... -
Comparación de la respuesta inmune humoral y celular de las vacunas Brucella abortus cepa RB51 y cepa 19 en vaquillonas Hereford de Patagonia y su interferencia con el diagnóstico serológico de la enfermedad
(Sociedad de Medicina Veterinaria, 2007)Se llevó a cabo un estudio de campo controlado donde se usaron 2 grupos homogéneos de 25 vaquillonas Hereford cada uno, de 10 meses de edad, provenientes de un establecimiento libre de brucelosis y donde nunca se había ... -
Influence of pre and postpartum maternal body condition score on the growth of Neuquén Criollo kids
(Elsevier, 2021-12)In Neuquén Criollo goat production systems, the sale of goat kids for slaughter is the main source of income. Marketing kids weighing at least 14 kg live weight before 90 days of age improves economic returns due to better ... -
Influence of competition and intraguild predation between two candidate biocontrol parasitoids on their potential impact against Harrisia cactus mealybug, Hypogeococcus sp. (Hemiptera: Pseudococcidae)
(Springer Nature, 2021-06-28)When two or more parasitoid species, particularly candidates for biocontrol, share the same target in the same temporal window, a complex of behaviors can occur among them. We studied the type of interactions (competition ... -
Habituation in mosquito larvae Aedes aegypti is context-specific
(The Company Biologists, 2021-06)Mosquito larvae live in water and perform a stereotyped escape response when a moving object projects its shadow on the surface, indicating potential risk of predation. Repeated presentations of the shadow induce a decrease ... -
Estado nutricional materno y su incidencia sobre las pérdidas embrionarias y fetales en los ovinos
(Asociación Peruana de Reproducción Animal, 2014)Entre los factores que inciden directamente sobre los resultados reproductivos en los ovinos, se destacan las pérdidas reproductivas antes del nacimiento. Las pérdidas prenatales se diferencian en mortalidad embrionaria y ... -
Clinical Manifestations of Brucellosis in Domestic Animals and Humans
(Bentham Open, 2010)Brucellosis in domestic animals is a chronic disease that is characterized mainly by reproductive signs in cattle, buffaloes, pigs, sheep, goats and dogs. In females the disease is characterized by abortion, placenta ... -
Host plant choice and effect of temperature on feeding behaviour of Perzelia arda (Lepidoptera: Depressariidae), a leaf-tying larva, on Nothofagaceae from the Andean Patagonian forest
(Wiley, 2021-08)Environmental temperature may cause changes in the physiology and feeding behaviour of herbivorous insects and, consequently, in the damage they can cause. In the Andean Patagonian forest, an eco-region dominated by trees ... -
Nitrate and nitrite absorption, recycling and retention in tissues of sheep
(Elsevier, 2021-07)Dietary nitrate is of increasing interest both for the pharmacological effects of its metabolites as well as its capacity to inhibit methanogenesis in the gut. A sequence of three experiments was conducted to investigate ...