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Mostrando ítems 1-20 de 26
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Antimicrobial resistance trends of Staphylococcus aureus isolated from bovine intramammary infections from 1990 to the present time in Argentina
(2018)Staphylococcus aureus is one of the most prevalent major mastitis pathogens in dairy herds worldwide. Antimicrobial therapy is one of the bases of S. aureus mastitis control programmes, both for subclinical cases at drying ... -
Detection by multiplex PCR of Mycoplasma species associated with dairy cattle in Argentina = Detección por PCR multiplex de especies de Mycoplasma asociadas a ganado lechero en Argentina
(Elsevier, 2021)There is scarce information about the frequency and epidemiological and clinical features associated with the presence of Mycoplasma spp. in Argentine dairy herds. The objectives of this study were to develop a multiplex ... -
Development, validation and field evaluation of an indirect ELISA for the detection of antibodies against Brucella abortus in bulk and individual milk samples in dairy cattle
(Elsevier, 2022-11)Brucellosis is an abortigenic and zoonotic disease. In cattle, it is mainly caused by Brucella abortus. The disease is endemic in low- and middle-income countries, being considered a neglected zoonotic disease. In these ... -
Effect of quebracho-chestnut tannin extracts at 2 dietary crude protein levels on performance, rumen fermentation, and nitrogen partitioning in dairy cows
(Elsevier, 2016-06)Our objective was to determine the effects of a tannin mixture extract on lactating cow performance, rumen fermentation, and N partitioning, and whether responses were affected by dietary crude protein (CP). The experiment ... -
Epidemiological Description of Cystic Ovarian Disease in Argentine Dairy Herds: Risk Factors and Effects on the Reproductive Performance of Lactating Cows
(Wiley, 2014-12)To describe the epidemiology of cystic ovarian disease (COD), to find possible risk factors associated with the incidence of cysts and to analyse the impact of COD on the reproductive performance of dairy cows, databases ... -
Estimación de pérdidas económicas causadas por Trypanosoma vivax en un rodeo lechero de Argentina
(Facultad de Ciencias Veterinarias, Universidad Nacional del Nordeste, 2020)En Argentina T. vivax fue descrito por primera vez en 2006 afectando ganado de carne de la Provincia de Formosa. Durante el verano/otoño de 2016/2017 se observaron los primeros brotes en la zona central de la Provincia de ... -
Evaluación de indicadores metabólicos y bioquímicos sanguíneos en vacas en lactancia con Enfermedad Quística Ovárica = Evaluation of metabolic and biochemical blood parameters in lactating cows with Cystic Ovarian Disease
(Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2013)El objetivo de este trabajo fue determinar y evaluar indicadores bioquímicos sanguíneos asociados a procesos metabólicos energéticos, proteicos, minerales y de funcionalidad hepática, junto con parámetros productivos y ... -
Feeding Calcium Salts of Linseed Oil on Productive Performance and Milk Fatty Acid Profile in Grazing Dairy Cows
(Scientific Research Publishing, 2020-10)The objective of this study was to determine the effect of supplying calcium salts of linseed oil (Ca-FA) rich in omega-3 (α-linolenic acid) on the production and chemical composition of milk and its nutraceutical value ... -
First report of Mycoplasma leachii isolation associated with disease in dairy calves in Argentina = Primer aislamiento de Mycoplasma leachii asociado a enfermedad en terneros de tambo en Argentina
(2018)There are few reports about the isolation of Mycoplasma species associated with cattle disease in Argentina. In this work we describe the detection of Mycoplasma leachii associated with disease in dairy calves in Santa Fe ... -
Genome-wide association study for somatic cell score in Argentinean dairy cattle
(2015-05)This study aimed to understand the genomic architecture of Argentinean dairy herds by measuring linkage disequilibrium (LD) and identifying loci associated with parameters calculated from somatic cell count (SCC). Phenotypic ... -
Genomic prediction of bull fertility in US Jersey dairy cattle
(Elsevier, 2019-04)Service sire has a major effect on reproductive success in dairy cattle. Recent studies have reported accurate predictions for Holstein bull fertility using genomic data. The objective of this study was to assess the ... -
Genotypic and phenotypic detection of capsular polysaccharide and biofilm formation in Staphylococcus aureus isolated from bovine milk collected from Brazilian dairy farms
(2016-12)Staphylococcus aureus is a pathogen that frequently causes mastitis in bovine herds worldwide. This pathogen produces several virulence factors, including cell-associated adhesins, toxic and cytolytic exoproteins, and ... -
Guía para el control de los parásitos externos en bovinos de leche del área central de la Argentina
(Ediciones INTA, 2017)La Guía para el control de los parásitos externos en bovinos de leche del área central de la Argentina sintetiza la información actualmente disponible sobre el control de los parásitos externos de mayor importancia económica ... -
Guía para el control de los parásitos externos en bovinos de leche del área central de la Argentina : 02
(Ediciones INTA, 2017)La Guía para el control de los parásitos externos en bovinos de leche del área central de la Argentina sintetiza la información actualmente disponible sobre el control de los parásitos externos de mayor importancia económica ... -
Identificación de factores de riesgos asociados a la presentación de endometritis en bovinos lecheros
(Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, 2014)El objetivo del presente trabajo fue identificar factores asociados a la presentación de endometritis en vacas lecheras posparto. Se muestrearon 152 vacas (aproximadamente con 40 días posparto) pertenecientes a cuatro ... -
Identificación molecular de especies de mycoplasma de origen bovino aislados de la Cuenca Lechera Central
(Facultad de Ciencias Veterinarias de Esperanza, Universidad Nacional del Litoral, 2017)Los Mycoplasma pertenecen a la clase Mollicutes y son los microorganismos procariotas autoreplicables más pequeños que existen en la naturaleza. Estos organismos carecen de pared celular y tienen una limitada capacidad ... -
Impacto de factores de manejo sobre la concepción en vaquillonas lecheras
(Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2020)El incremento del número de vaquillonas preñadas por unidad de tiempo mejora la eficiencia reproductiva en rodeos lecheros. El objetivo de este trabajo fue analizar el efecto de factores de manejo sobre la concepción. Se ... -
Inseminación a tiempo fijo: factores que afectan la tasa de concepción en rodeos lecheros
(Ediciones INTA, 2019-04)Los artículos que se presentan a continuación fueron recopilados en capítulos de manera tal que, permitan al lector seguir un hilo conductor que se inicia al momento de la inserción de los dispositivos y finaliza varios ... -
Performance of dairy cows supplemented with by-pass fat under heat stress conditions
(Scientific Research Publishing Inc., 2023-01)The objective of this study was to determine the effect of supplementation with a protected fat source on the productive response, metabolic environment and physiological indicators in Holstein cows under heat stress ... -
Predicting male fertility in dairy cattle using markers with large effect and functional annotation data
(BMC, 2019-04)Background: Fertility is among the most important economic traits in dairy cattle. Genomic prediction for cow fertility has received much attention in the last decade, while bull fertility has been largely overlooked. The ...