María Jaureguiberry
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View article: Impact of probiotic supplementation on the growth, health, and fecal microbiota of Argentine Holstein calves
Impact of probiotic supplementation on the growth, health, and fecal microbiota of Argentine Holstein calves Open
This study aimed to evaluate the impact of probiotic administration on the growth, health status, and fecal microbiota of Argentine Holstein calves. Thirty calves from a commercial dairy farm were assigned to two groups. The treated group …
View article: Colostrum Quality as an Indicator of the Immune Status of Cows and Its Association with Peripartum Disease Risk in a Grazing Dairy Herd
Colostrum Quality as an Indicator of the Immune Status of Cows and Its Association with Peripartum Disease Risk in a Grazing Dairy Herd Open
This study aimed to evaluate the association between colostrum quality, as indicative of the immune status of the cows, and peripartum disease risk occurrence in a herd of grazing dairy cows. A prospective cohort study was conducted on a g…
View article: Genomic epidemiology of third-generation cephalosporin-resistant <i>Escherichia coli</i> from Argentinian pig and dairy farms reveals animal-specific patterns of co-resistance and resistance mechanisms
Genomic epidemiology of third-generation cephalosporin-resistant <i>Escherichia coli</i> from Argentinian pig and dairy farms reveals animal-specific patterns of co-resistance and resistance mechanisms Open
Little is known about the ecology of critically important antibiotic resistance among bacteria with the potential to be opportunistic human pathogens (e.g., Escherichia coli ) on South American farms. By studying 70 pig and dairy cattle fa…
View article: Genomic epidemiology of third-generation cephalosporin-resistant<i>Escherichia coli</i>from Argentinian pig and dairy farms reveals animal-specific patterns of co-resistance and resistance mechanisms
Genomic epidemiology of third-generation cephalosporin-resistant<i>Escherichia coli</i>from Argentinian pig and dairy farms reveals animal-specific patterns of co-resistance and resistance mechanisms Open
Control measures are being introduced globally to reduce the prevalence of antibiotic resistant (ABR) bacteria on farms. However, little is known about the current prevalence and molecular ecology of ABR in key opportunistic human pathogen…
View article: A simplified scoring system for the diagnosis of diarrhea and respiratory diseases in dairy calves.
A simplified scoring system for the diagnosis of diarrhea and respiratory diseases in dairy calves. Open
Compared with the WIN score, the SIM score is a reliable test for diagnosing RD but not for diagnosing diarrhea.
View article: MOLECULAR EPIDEMIOLOGY OF THIRD-GENERATION CEPHALOSPORIN- RESISTANT ESCHERICHIA COLI FROM PIGS AND DAIRY CATTLE IN ARGENTINA
MOLECULAR EPIDEMIOLOGY OF THIRD-GENERATION CEPHALOSPORIN- RESISTANT ESCHERICHIA COLI FROM PIGS AND DAIRY CATTLE IN ARGENTINA Open
Intro: Argentina is one of South America's leading milk and pork producers, yet the data for antimicrobial usage and resistance in these sectors is extremely limited. Here we report third-generation cephalosporin resistance (3GC-R) rates a…
View article: Detection of nonpregnant cows and potential embryo losses by color Doppler ultrasound and interferon-stimulated gene expression in grazing dairy cows
Detection of nonpregnant cows and potential embryo losses by color Doppler ultrasound and interferon-stimulated gene expression in grazing dairy cows Open
Many studies have been conducted to estimate pregnancy losses between 19 and 34 d after artificial insemination (AI) in dairy cows managed under confinement-based systems, but few studies have examined embryo mortality during this interval…
View article: Eficacia del uso de antibióticos para el tratamiento de metritis puerperal en vacas de tambo y su asociación con la eficiencia reproductiva
Eficacia del uso de antibióticos para el tratamiento de metritis puerperal en vacas de tambo y su asociación con la eficiencia reproductiva Open
El objetivo de este estudio fue evaluar la eficacia del uso de antibióticos para el tratamiento de metritis puerperal (MP) y su asociación con la eficiencia reproductiva. Se realizó un estudio retrospectivo de cohorte que incluyó un total …
View article: Estrés calórico y reproducción
Estrés calórico y reproducción Open
El estrés térmico es una amenaza para la homeostasis del organismo debido a que aumenta los requerimientos de mantenimiento de los animales. Esto generalmente da lugar a un problema en los sistemas de producción lechera porque incrementa l…
View article: Application of a bacteriological on-farm test to reduce antimicrobial usage in dairy cows with purulent vaginal discharge
Application of a bacteriological on-farm test to reduce antimicrobial usage in dairy cows with purulent vaginal discharge Open
The objective of this study was to assess the effect of a selective antibiotic treatment strategy based on a quick bacteriological on-farm test (Petrifilm, 3M Corp., St. Paul, MN) compared with the conventional antibiotic treatment of all …
View article: Short communication: Repeat breeder cows with fluid in the uterine lumen had poorer fertility
Short communication: Repeat breeder cows with fluid in the uterine lumen had poorer fertility Open
The objective of the present study was to test the association between the presence of fluid in uterine lumen and the fertility of repeat breeder cows (RBC). Grazing Holstein cows that were clinically normal and were not pregnant after at …
View article: Espectrofotometría infrarroja transformada de Fourier para identificar bacterias uterinas patógenas en vacas lecheras
Espectrofotometría infrarroja transformada de Fourier para identificar bacterias uterinas patógenas en vacas lecheras Open
El objetivo del trabajo fue determinar el grado de acuerdo entre dos métodos de identificación bacteriana, marcha bacteriológica convencional y espectroscopía infrarroja transformada de Fourier (TF-IR), así como determinar si la base de da…
View article: Identification of Escherichia coli and Trueperella pyogenes isolated from the uterus of dairy cows using routine bacteriological testing and Fourier transform infrared spectroscopy
Identification of Escherichia coli and Trueperella pyogenes isolated from the uterus of dairy cows using routine bacteriological testing and Fourier transform infrared spectroscopy Open
View article: Cambios en la citología endometrial durante el ciclo estral en vacas de tambo
Cambios en la citología endometrial durante el ciclo estral en vacas de tambo Open
El cytobrush (CB) ha demostrado ser la mejor técnica de obtención de citologías uterinas para el diagnóstico de endometritis subclínica (ES) en vacas postparto. El diagnóstico se basa en el porcentaje de polimorfo nucleares neutrófilos (%P…
View article: Endometritis subclínica en vacas de tambo
Endometritis subclínica en vacas de tambo Open
Los objetivos de este estudio fueron: 1) adaptar y mejorar el dispositivo originalmente utilizado para el diagnóstico de endometritis subclínica (ES), 2) Evaluar el efecto del ciclo estral sobre el porcentaje de neutrófilos (PMN), 3) deter…