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Mostrando ítems 44-63 de 98
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Evaluación de un tratamiento en base a prostaglandina para la sincronización del estro en cabras en diferentes estaciones del año
(Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 2014)El objetivo del presente trabajo fue evaluar la respuesta de cabras expuestas a un tratamiento en base al uso de análogos sintéticos de prostaglandina para la sincronización del estro en dos estaciones contrapuestas, ... -
Evaluación productiva y de emisiones de gases de efecto invernadero en dos sistemas de cría bovina contrastantes del Chaco Seco argentino = Production and greenhouse gas emissions evaluation in two contrasting bovine farming systems in the Argentine Chaco Seco
(Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 2020-06)El desafío actual de los sistemas bovinos del Chaco Seco está centrado en el incremento de la producción a través de la intensificación, sin la necesidad de expandir la frontera agropecuaria hacia ecosistemas naturales y ... -
Evidence of reduced vertical transmission of Neospora caninum associated with higher IgG1 than IgG2 serum levels and presence of IFN-γ in nonaborting chronically infected cattle under natural condition
(Elsevier, 2019-02)Neospora caninum infection of cattle can be vertically transmitted, resulting in abortion or birth of infected calves. Vertical transmission occurs both in acutely or chronically infected cattle. There is little information ... -
Evolução da mancha preta do amendoim nas principais regiões produtoras da Argentina e do Brasil frente às mudanças no clima
(Universidade Federal de Pernambuco, 2020-06-11)A ocorrência da mancha preta do amendoim está diretamente relacionada aos elementos climáticos. Desta maneira, mapas de distribuição geográfica e temporal baseados em dados do clima contribuem com informações sobre o ... -
Experimental poisoning with Pascalia glauca in goats
(Ediciones INTA, 2023-06)Pascalia glauca is one of the most important poisonous plants in Argentina. Although goats are known to be sus ceptible to P. glauca poisoning, reports about this species are scarce. This work aimed to characterize the ... -
Feed sorting behavior and performance of Argentinian Creole, Braford and crossbred steers during the growing and fattening phases
(Ediciones INTA, 2022-04)Local Latin American cattle breeds are considered highly adapted to grazing systems in harsh environments, but their potential in more intensified beef production systems, particularly when compared to imported breeds, is ... -
First mitochondrial and nuclear DNA sequences of Lamanema chavezi (Nematoda: Molineidae) : novel findings to improve its identification in feces from South American camelids
(Elsevier, 2018-10-16)Lamanema chavezi (Family Molineidae) is a parasitic nematode of South American camelids (SACs). A few studies have reported this parasite in SACs, mainly in domestic camelid species (llama and alpaca). Parasite identification ... -
First record of clinical coccidiosis (Eimeria ovinoidalis) in adult sheep from northwestern Argentina
(Elsevier, 2020-07)Coccidiosis of sheep is an intestinal infection caused by protozoa of the genus Eimeria. An outbreak of the disease in adult sheep from Salta province, northwestern Argentina, was studied to establish its clinical, ... -
First report of group A rotavirus and bovine coronavirus associated with neonatal calf diarrhea in the northwest of Argentina
(Springer, 2020-06)Group A rotavirus (RVA) and bovine coronavirus (BCoV) are the two main viral enteropathogens associated with neonatal calf diarrhea. The aim of the present survey was to investigate the epidemiology and the role of RVA and ... -
Gastrointestinal nematodes and mineral deficiencies in yearling cattle in Santiago del Estero, northern Argentina
(Springer, 2022-02-09)The aims were to study the epidemiology and the effect of gastrointestinal nematodes (GINs) on yearling cattle in a semiarid region in Argentina and to evaluate the mineral serum levels. Ten- to twelve-month-old calves ... -
Glomalin contribution to soil organic carbon under different pasture managements in a saline soil environment
(Taylor & Francis, 2020-10-23)The glomalin produced by arbuscular mycorrhizal fungi has beneficial effects on soils. We studied the vertical profile of glomalin-related soil protein (GRSP) in pasturelands grown under saline soils and exposed to different ... -
Heat stress in maize : characterization and phenotypic plasticity
(CREA Journals, 2020)The future challenge will be to produce more maize and other crops, in stressed environments. Two experiments were carried out during the 2015-2016 season at INTA Leales field, Tucumán, Argentina. The treatments included ... -
Infectious and Parasitic Disease Presence in Smallholder’s Dairy Goat Flocks from the Arid Regions of Northwestern Argentina
(Juniper Publishers, 2019-11)A cross-sectional survey was performed in 98 smallholder (SH) goat producers from the arid canyons and Valleys of northwestern Argentina, with the aim of describing infectious and parasitic disease occurrence in dairy goat ... -
Influence of individual or group housing of newborn calves on rotavirus and coronavirus infection during the first 2 months of life
(Springer, 2021-01-03)Bovine rotavirus A (RVA) and bovine coronavirus (CoV) are the two main viral enteropathogens associated with neonatal calf diarrhea. The aim of the present work was to study the impact of group and individual housing systems ... -
Land-use change affects the diversity and functionality of soil bacterial communities in semi-arid Chaco region, Argentina
(Elsevier, 2022-04)The semi-arid Chaco ecoregion has been heavily affected by the conversion of pastures to cropland. Our knowledge about the impact of land use change on soil microbial community diversity and functions in this region is ... -
Leucaena feeding systems in Argentina. I. Five decades of research and limitations for adoption = Sistemas de alimentación con leucaena en Argentina: I. Cinco décadas de investigación y limitantes para su adopción
(CIAT, 2019)This review describes the history of research in Leucaena leucocephala (leucaena) feeding systems carried out by the National Institute of Agricultural Technology (INTA) over the last 5 decades and discusses the main ... -
Leucaena feeding systems in Argentina. II. Current uses and future research priorities = Sistemas de alimentación con leucaena en Argentina: II. Situación actual y prioridades de investigación futura
(CIAT, 2019-09)This paper presents the current status of Leucaena leucocephala (leucaena) feeding systems and proposes research priorities for leucaena development in Argentina. Although research on leucaena as forage for cattle production ... -
Leucaena leucocephala introduction into a tropical pasture in the Chaco region of Argentina. Effects on soil carbon and total nitrogen = Introducción de Leucaena leucocephala en una pastura tropical en el Chaco argentino. Efectos en el carbono y nitrógeno total del suelo
(CIAT, 2019)The introduction of leucaena (Leucaena leucocephala), apart from increasing animal production, improves soil fertility through biological nitrogen (N) fixation and its deep-rooted system. There is limited information on ... -
Long-term impact of grazing and tillage on soil quality in the semi-arid Chaco (Argentina)
(Sociedad Española de la Ciencia del Suelo, 2019)Deforestation of Chacoan native forests and reorientation of land use are transforming the region into agricultural use. The main purpose of this work was to evaluate the impact of different land uses on soil quality in ... -
Meronte de Eimeria spp. en raspado de mucosa intestinal de cabrito con un cuadro de coccidiosis
(Secretaría Académica y de Innovación Educativa, Universidad Nacional del Litoral, 2022-10-29)En la fotografía: raspado de mucosa de intestino delgado (post-mortem) de un cabrito de 3 meses de edad teñido con Giemsa (aumento 1000X). La imagen fue obtenida a partir de un brote de coccidiosis ocurrido en un lote de ...