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Mostrando ítems 1-20 de 30
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A new passive immune strategy based on IgY antibodies as a key element to control neonatal calf diarrhea in dairy farms
(BMC, 2020-07)Background: Neonatal diarrhea remains one of the main causes of morbi-mortality in dairy calves under artificial rearing. It is often caused by infectious agents of viral, bacterial, or parasitic origin. Cows vaccination ... -
Análisis de la duración de la gestación y de los loci que influyen sobre ella en bovinos Holando y cruzas
(Asociación Argentina de Producción Animal, 2022-11)Introducción: La intensa selección para producción lechera junto con una consideración insuficiente de parámetros de fertilidad y salud va en detrimento de estos últimos rasgos. Muchos países ampliaron los objetivos de sus ... -
Application of serological tests to assess the efficacy of foot-and-mouth disease vaccination in dairy cattle with or without viral leucosis
(Juniper Publishers, 2018-12)Enzootic bovine leucosis is an infectious viral disease of cattle distributed worldwide that affect dairy cattle over 2 years of age. This disease produces changes in the animal´s immune system that may affect vaccine ... -
Assessment of Influential Factors for Scours Associated with Cryptosporidium sp., Rotavirus and Coronavirus in Calves from Argentinean Dairy Farms
(MDPI, 2021-09)Scours is the most common disease in dairy calves, and it is a multifactorial syndrome complex. Cryptosporidium sp. (C. sp.), rotavirus group A (RVA), and bovine coronavirus (BCoV) are the three main pathogens associated ... -
Bovine leukemia virus becomes established in dairy herds before the first lactation
(2016)In this work, we studied seven groups of pregnant heifers from a consortium of dairy farms heavily infected with bovine leukemia virus (BLV). ELISA testing showed that the seroprevalence ranges of BLV in heifers between ... -
Descripción de la evolución de tuberculosis en rodeos lecheros combinando el uso de IDR y ELISA
(Asosiación Argentina de Veterinarios de Laboratorios de Díagnóstico, 2021-11)La tuberculosis bovina (TB) produce un impacto negativo en la producción pecuaria y la salud pública. La respuesta inmune a la infección es predominantemente mediada por células. En ello se fundamenta el diagnóstico a ... -
Detection of bovine leukemia virus RNA in blood samples of naturally infected dairy cattle
(MDPI, 2019-09)The viral expression in vivo, in bovine leukemia virus (BLV)-infected cattle, is considered to be restricted to extremely low levels, and the mitosis of infected B lymphocytes is regarded as the main mode of virus persistence ... -
Development of an IgY-Based treatment to control bovine Coronavirus diarrhea in dairy calves
(MDPI, 2023-03)Bovine Coronavirus (BCoV) is a major pathogen associated with neonatal calf diarrhea. Standard practice dictates that to prevent BCoV diarrhea, dams should be immunized in the last stage of pregnancy to increase BCoV-specific ... -
Dynamics of neutralizing antibodies against Bovine respiratory syncytial virus in a dairy herd from Santa Fe Province, Argentina = Dinámica de anticuerpos neutralizantes contra el virus respiratorio sincitial bovino en un rodeo lechero de la provincia de Santa Fe, Argentina
(Elsevier, 2020-05)Bovine respiratory syncytial virus (BRSV) is one of the most relevant agents responsible for respiratory disease in cattle from both dairy and beef farms. BRSV is spread by horizontal contact causing a constant presence ... -
Exploring the association between polymorphisms at 3’UTR SLC11A1 gene microsatellites and resistance to tuberculosis: A case-control study in Bos taurus dairy cattle
(2018-04)Bovine tuberculosis is a contagious infectious disease that causes significant economic impact in dairy and meat farms throughout the world. Multiple factors, including host genome, determine the outcome of the infection. ... -
Expression-based analysis of genes related to single nucleotide polymorphism hits associated with bovine leukemia virus proviral load in Argentinean dairy cattle
(Elsevier, 2021-02)In dairy cattle infected with bovine leukemia virus (BLV), the proviral load (PVL) level is directly related to the viral transmission from infected animals to their healthy herdmates. Two contrasting phenotypic groups can ... -
Genome-wide scan for commons SNPs affecting bovine leukemia virus infection level in dairy cattle
(2018-02-13)Background: Bovine leukemia virus (BLV) infection is omnipresent in dairy herds causing direct economic losses due to trade restrictions and lymphosarcoma-related deaths. Milk production drops and increase in the culling ... -
Genotipificación de variantes de beta-caseína bovina mediante ACRSPCR- RFLP = Genotyping of bovine beta-casein variants by ACRS-PCR-RFLP
(Consejo de Rectores de Universidades Privadas, 2023-10)Las variantes de la beta-caseína bovina pueden clasificarse en dos grupos, tipo-A1 y tipo-A2, según el aminoácido que esté presente en la posición 67 de la proteína (His, tipo A1; Pro, tipo A2)1. En los últimos años se ha ... -
Identificación de factores de riesgo de tuberculosis bovina en rodeos lecheros
(Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 2009-09)La tuberculosis bovina (TBB), producida por el Mycobacterium bovis (M. bovis), es una enfermedad zoonótica endémica en los rodeos bovinos de la Argentina. La información sobre la asociación entre el manejo y la ocurrencia ... -
Identificación de variantes alélicas de genes candidatos involucrados en producción de leche en un rodeo de bovinos de raza Holando y cruzas Holando por Jersey
(Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2015-07)Las razas bovinas Holando y Jersey son dos de las razas productoras de leche más importantes a nivel mundial y las principales en nuestro país. El objetivo del trabajo de tesis fue realizar un análisis exploratorio que ... -
Intrinsic and extrinsic factors related to pathogen infection in wild small mammals in intensive milk cattle and swine production systems
(2017)Background: Understanding the ecological processes that are involved in the transmission of zoonotic pathogens by small mammals may aid adequate and effective management measures. Few attempts have been made to analyze ... -
Loci de caracteres cuantitativos para rasgos reproductivos en bovinos lecheros locales
(Sociedad Argentina de Genética, 2022-10)Introducción: La intensa selección para producción lechera junto con una consideración insuficiente de parámetros de fertilidad y salud, sumado a las correlaciones genéticas antagonistas o cercanas a cero entre caracteres ... -
Machine learning algorithms identified relevant SNPs for milk fat content in cattle
(Sociedad Argentina de Informática, 2021-10)In recent years, machine learning methods have been shown to be efficient in identifying a subset of single nucleotide polymorphisms (SNP) underlying a trait of interest. The aim of this study was the construction of ... -
Methodology for the identification of relevant loci for milk traits in dairy cattle, using machine learning algorithms
(Elsevier, 2022)Machine learning methods were considered efficient in identifying single nucleotide polymorphisms (SNP) underlying a trait of interest. This study aimed to construct predictive models using machine learning algorithms, to ... -
Molecular detection of bovine Noroviruses in Argentinean dairy calves : circulation of a tentative new genotype
(2016)Bovine noroviruses are enteric pathogens detected in fecal samples of both diarrheic and non-diarrheic calves from several countries worldwide. However, epidemiological information regarding bovine noroviruses is still ...