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Mostrando ítems 50-69 de 185
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Ecological intensification decreased yield-scaled N20 emissions in a soybean-barley- maize sequence = La intensificación ecológica redujo las emisiones de N2O a escala de rendimiento en una secuencia de soja-cebada-maíz
(Asociación Argentina de la Ciencia del Suelo, 2022-12)Agricultural challenge today is to maximize crop production reducing negative environmental impacts by efficiently use of resources and inputs. Objectives: i) to evaluate N2O emissions during a soybean-barley-maize rotation ... -
Effects of a blend of chestnut and quebracho tannins on gut health and performance of broiler chickens
(Plos ONE, 2022-01)Antimicrobial restrictions prompted the search for cost and biologically effective alternatives to replace antimicrobial growth promoters (AGPs) in food-producing animals. In addition, the efficacy of this alternatives ... -
Effects of Clostridium perfringens iota toxin in the small intestine of mice
(2017-12)Iota toxin is a binary toxin solely produced by Clostridium perfringens type E strains, and is structurally related to CDT from C. difficile and CST from C. spiroforme. As type E causes hemorrhagic enteritis in cattle, it ... -
Efficacy of a recombinant Intimin, EspB and Shiga toxin 2B vaccine in calves experimentally challenged with Escherichia coli O157:H7
(Elsevier, 2018-06)Escherichia coli O157:H7 is a zoonotic pathogen of global importance and the serotype of Shiga toxin-producing E. coli (STEC) most frequently associated with Hemolytic Uremic Syndrome (HUS) in humans. The main STEC reservoir ... -
Efficacy of chestnut and quebracho wood extracts to control Salmonella in poultry
(Wiley, 2021-07)Aims: The study was aimed to evaluate the antibacterial activity and efficacy of chestnut and quebracho wood extracts against Salmonella by in vitro assays and in vivo trials. Methods and results: The extracts showed ... -
Enfermedad por arañazo de gato en la interfaz humano-animal. Reporte de caso en la ciudad de San Luis, Argentina = Cat scratch disease at the human-animal interface. Case report in the city of San Luis, Argentina
(Sociedad de Medicina Veterinaria, 2022)Dentro de las zoonosis que involucran a los felinos domésticos, la enfermedad por arañazo de gato (EAG) producida por Bartonella henselae se considera una patología emergente que produce diferentes cuadros en humanos que ... -
Ensayo interlaboratorio : aislamiento de Mycobacterium bovis a partir de lesiones granulomatosas en bovinos = Interlaboratory test: Isolation of Mycobacterium bovis from granulomatous lesions in bovine
(2016)Mycobacterium bovis es el agente etiológico de la tuberculosis bovina. La confirmación diagnóstica en el laboratorio se realiza a través del aislamiento bacteriológico. Los ensayos interlaboratorio permiten evaluar el ... -
Enteric methane emission from Sheep fed with rhodes grass hay (Chloris gayana) alone or supplemented with dried distillers’ grains with solubles
(MDPI, 2022-09)Livestock systems based on subtropical and tropical pastures are characterized by the low productivity of livestock due to the poor nutritional value of the forage (low nitrogen concentration and digestibility, and high ... -
Enzyme-linked immunosorbent assay as complement of intradermal skin test for the detection of mycobacterium bovis infection in cattle
(Elsevier, 2019-07)Diagnostic tests based on cell-mediated immunity are used in programs for the control and eradication of bovine tuberculosis (bTB), which is mainly caused by Mycobacterium bovis. Additional serological assays could be ... -
Epidemiological characterization of isolates of Salmonella enterica and shiga toxin-producing Escherichia coli from backyard production system animals in the Valparaíso and metropolitana regions
(MDPI, 2023-08)Backyard production systems (BPS) are distributed worldwide, rearing animals recognized as reservoirs of Salmonella enterica and Shiga toxin-producing Escherichia coli (STEC), both zoonotic pathogens. The aim of this study ... -
Establishment of Babesia vulpes n. sp. (Apicomplexa: Babesiidae), a piroplasmid species pathogenic for domestic dogs
(BioMed Central, 2019)Background: Canine babesiosis is a severe disease caused by several Babesia spp. A number of names have been proposed for the canine-infecting piroplasmid pathogen initially named Theileria annae Zahler, Rinder, Schein ... -
Estudio comparativo de la gastroenteritis verminosa de los bovinos entre un pastoreo a cielo abierto y un sistema silvopastoril en el nordeste de Corrientes (Argentina) = Comparative study of bovine verminous gastroenteritis between open grazing and a silvopastoral system in northeastern Corrientes (Argentina)
(Brazilian Journals Publicações de Periódicos e Editora, 2022-04)La gastroenteritis verminosa de los bovinos es una enfermedad parasitaria producida por un complejo de nematodos gastrointestinales, ampliamente distribuidos a nivel mundial, especialmente en aquellas regiones donde los ... -
Evaluation of B. melitensis whole-cell lysate antigen-based indirect ELISA for the serodiagnosis of caprine brucellosis
(Elsevier, 2022-10)Different fractions of Brucella (B) abortus or Brucella melitensis have been used as antigens for the detection of anti-Brucella antibodies in goat sera, being their accomplishment cumbersome and time consuming. In an ... -
Evaluation of new antibodies for the detection of rabies virus in formalin fixed brain tissue samples
(Brazilian Association of Veterinary Pathology, 2019-07)Rabies is an important zoonosis with impact on livestock production. The diagnosis is usually based on the rabies virus detection in fresh or refrigerated brain samples by direct immunofluorescence (IF) performed on fixed ... -
Evaluation of polymorphisms at the 3´ UTR SLC11A1 gene microsatellites and their associations with the outcome of Brucella abortus infection in Bos taurus cattle
(Ediciones INTA, 2022-11)In ruminants, polymorphisms in microsatellites at 3´untranslated region (3´ UTR) of the SLC11A1 gene were associated with natural resistance to Brucella spp. and Mycobacterium spp. infection, but its relevance to prevent ... -
Evaluation of the safety profile of the vaccine candidate Brucella melitensis 16MDvjbR strain in goats
(Elsevier, 2021-01)Small ruminant brucellosis is caused by the Gram negative cocci-bacillus Brucella (B.) melitensis, the most virulent Brucella species for humans. In goats and sheep, middle to late-term gestation abortion, stillbirths and ... -
Evaluation of the transcriptional status of host cytokines and viral genes in the trachea of vaccinated and non-vaccinated chickens after challenge with the infectious laryngotracheitis virus
(Taylor & Francis, 2016)Infectious laryngotracheitis is a highly contagious disease of chickens responsible for significant economic losses for the poultry industry worldwide. The disease is caused by Gallid herpesvirus-1 (GaHV-1) commonly known ... -
Evidence for extensive genetic diversity and substructuring of the Babesia bovis metapopulation
(2013-11)Babesia bovis is a tick-transmitted haemoprotozoan and a causative agent of bovine babesiosis, a cattle disease that causes significant economic loss in tropical and subtropical regions. A panel of nineteen micro- and ... -
An experimental reproduction of necrotic enteritis In broiler chickens
(2016)Clostridium perfringens is the main causative agent of avian necrotic enteritis (NE), an enteric infectious disease considered among the most important diseases in the poultry industry. Currently, there are numerous reports ...