Títulos
Mostrando ítems 198-217 de 439
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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 analysis of shiga toxin-containing Escherichia coli O157:H7 isolated from Argentinean cattle
(Plos, 2021-10)Cattle are the main reservoir of Enterohemorrhagic Escherichia coli (EHEC), with O157:H7 the distinctive serotype. EHEC is the main causative agent of a severe systemic disease, Hemolytic Uremic Syndrome (HUS). Argentina ... -
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 ... -
Genotyping and study of the pauA and sua genes of Streptococcus uberis isolates from bovine mastitis = Genotipificación y estudio de los genes pauA y sua de aislamientos de Streptococcus uberis de mastitis bovina
(2015-12)This study aimed to determine the clonal relationship among 137 Streptococcus uberis isolates from bovine milk with subclinical or clinical mastitis in Argentina and to assess the prevalence and conservation of pauA and ... -
La gestión integrada del agua como aporte al trabajo articulado en la cuenca del Arroyo Los Troncos (provincia de Santa Fé, Argentina)
(Facultad de Ciencias Agropecuarias, Universidad Nacional de Entre Ríos, 2019)En los últimos años, en el sector agropecuario se incrementaron los problemas ocasionados por los excesos hídricos. Dicha situación ocurre por varias causas, algunas naturales como mayor frecuencia de lluvias extremas y ... -
Gordura protegida na dieta de vacas de alta produção a campo, em alfafa verde ou pré-secada, na fase inicial da lactação. Parâmetros plasmáticos
(Sociedade Brasileira de Zootecnia, 2003)O trabalho foi desenvolvido na Estação Experimental Agropecuária do Instituto Nacional de Tecnologia Agropecuária (EEA-INTA, Rafaela) da Argentina. Foram utilizadas 32 vacas da raça Holando-Argentina, de alta produção ... -
Growth of Lactobacillus rhamnosus 64 in whey permeate and study of the effect of mild stresses on survival to spray drying
(2015-09)In this study, we aimed at optimizing the growth of Lactobacillus rhamnosus 64 in whey permeate supplemented with different ingredients and we also studied the effects of mild stresses on the response to heat and oxidative ... -
Haemonchus contortus con resistencia múltiple a los antihelmínticos de corta y larga acción y consideraciones sobre el impacto sanitario-productivo de este fenómeno en una majada de ovinos lecheros de la provincia de Santa Fe
(2013)Entre Octubre y Noviembre del 2012 se realizaron evaluaciones sobre la actividad de cuatro antihelmínticos con diferente mecanismo de acción (levamisol, ivermectina, closantel y febendazol) en ovinos lecheros naturalmente ... -
High pasture allowance does not improve animal performancein supplemented dairy cows grazing alfalfa during autumn–winter
(2015)The aim of this study was to assess the effect of three alfalfa pasture herbage allowances on milk yield and composition during autumn–winter grazing season on early autumn calving dairy cows. Eighteen multiparous Holstein ... -
High prevalence of “Candidatus Rickettsia amblyommii” in Amblyomma ticks from a Spotted Fever Endemic Region in North Argentina
(2016)Ticks from an endemic Spotted Fever region in Argentina were analysed by PCR for Spotted Fever Group Rickettsiae. DNA of “Candidatus Rickettsia amblyommii” was found in 21.3% of Amblyomma hadanii and in 44.0% of A. neumanni. ... -
Host-parasite association between Didelphis albiventris (Didelphimorphia: Didelphidae) and Ixodes loricatus (Acari: Ixodidae) in their southern ranges
(2018-05)The parasitism of Ixodes loricatus Neumann on white-eared opposum, Didelphis albiventris Lund, was analysed in the southern ranges of both. In central Argentina, 118 wild opossums were captured from 2005 to 2012. Adults ... -
Humoral immune response of pregnant goats to two Corynebacterium pseudotuberculosis bacterin formulations
(Facultad de Ciencias Veterinarias, Universidad Austral de Chile, 2018)Caseous lymphadenitis is a chronic suppurative bacterial disease caused by Corynebacterium pseudotuberculosis, and it has a high prevalence among small ruminants. Different vaccine preparations have been employed to control ... -
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 ... -
Identification of key microorganisms in facultative stabilization ponds from dairy industries, using metagenomics
(PeerJ Publishing, 2022-03-14)Wastewater stabilization ponds are a natural form of wastewater treatment. Their low operation and maintenance costs have made them popular, especially in developing countries. In these systems, effluents are retained for ... -
Immune response and functional role of antibodies raised in heifers against a Staphylococcus aureus CP5 lysate and recombinant antigens vaccine formulated with Iscom Matrix adjuvant
(2014-12-15)Staphylococcus aureus is the most frequently isolated pathogen from bovine intramammary infections worldwide. Commercially available vaccines for mastitis control are composed either of S. aureus lysates or inactivated ... -
Immune response of heifers against a Staphylococcus aureus CP5 whole cell and lysate vaccine formulated with ISCOM Matrix adjuvant
(2014-02)Staphylococcus aureus is the most frequently isolated pathogen from bovine intramammary infections worldwide. Commercially available vaccines for mastitis control are composed either of S. aureus lysates or whole-cells ... -
Immune response of heifers against a Staphylococcus aureus CP5 whole cell vaccine formulated with ISCOMATRIX™ adjuvant
(2013-02)The shortcomings of Staphylococcus aureus vaccines to control bovine mastitis have been attributed to insufficient capacity of the vaccines to induce opsonizing antibodies and to stimulate cellular immune responses. Types ... -
Immune response of Staphylococcus aureus strains in a mouse mastitis model is linked to adaptive capacity and genotypic profiles
(2017)Staphylococcus aureus is one of the most frequently isolated major pathogens from intramammary infections (IMI) worldwide. The mechanisms by which S. aureus IMI are established and maintained in dairy cows involve both ... -
Impact of lyophilized Lactobacillus salivarius DSPV 001P administration on growth performance, microbial translocation, and gastrointestinal microbiota of broilers reared under low ambient temperature
(2017-10)This study was undertaken with the aim of investigating the effects of dietary supplementation of probiotic strain Lactobacillus salivarius DSPV 001P on growth performance, microbial translocation, and gastrointestinal ...