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Salmonella isolates in the introduced Asian house gecko (Hemidactylus frenatus) with emphasis on Salmonella weltevreden, in two regions in Costa Rica
(Universidad Nacional, Costa Rica, 2015-09-17)
The Asian house gecko Hemidactylus frenatus has been widely introduced in Costa Rica and tends to establish in human settlements. Some studies in other invaded countries have suggested that this gecko plays a significant ...
Salmonella contamination risk points in broiler carcasses during slaughter line processing
(Universidad Nacional, Costa Rica, 2014-08-08)
Salmonella is one of the foodborne pathogens most commonly associated with poultry products. The aim of this work was to identify and analyze key sampling points creating risk of Salmonella contamination in a chicken ...
Salmonellosis detection and evidence of antibiotic resistance in an urban raccoon population in a highly populated area, Costa Rica
(WILEY, 2019-07-29)
Wild animals are involved in zoonotic disease transmission cycles. These are generally complex and poorly understood, especially among animals adapted to life in human ecosystems. Raccoons are reservoirs and effective ...
Bacterial counts in spleen
(Bio-protocol, 2013-11-05)
Bacterial loads can be determined as colony forming units (CFU) at any point of the infection by culturing spleen homogenates on agar plates. This is a reliable method for comparing the kinetics of infection in various ...
Análisis descriptivo de la prevalencia y resistencia antimicrobiana de Salmonella enterica no tifodeo durante el período postparto de vacas lecheras en la Región Central y Norte de Costa Rica
(Universidad Nacional, Costa Rica, 2020)
La salmonelosis corresponde a una de las enfermedades de mayor propagación a nivel
mundial y varios estudios en múltiples países han confirmado a los sistemas de producción como
un posible punto de origen de la infección, ...
Heces de primates podrían transmitir enfermedades a personas
(Oficina de Comunicación, Universidad Nacional, 2021-05)
Lohendy Muñoz Vargas y Ernesto Rojas,
expertos en salud pública de la Escuela de
Medicina Veterinaria de la Universidad
Nacional (UNA), realizan una investigación en
distintas regiones del país, con el propósito
de ...
The impact of overstocking and negative energy balance on quantitative measurement of non-typhoidal Salmonella in periparturient dairy cattle
(Frontiers in Veterinary Science, 2022-02-17)
Stressful conditions in animal production facilities may exacerbate the fecal shedding and
foodborne transmission of non-typhoidal Salmonella enterica subsp. enterica. Dairy cows
are reservoirs of this zoonotic microorganism, ...
Brucella-Salmonella lipopolysaccharide chimeras are less permeable to hydrophobic probes and more sensitive to cationic peptides and EDTA than are their native Brucella sp. counterparts
(American Society for Microbiology, 1996-08-12)
A rough (R) Brucella abortus 45/20 mutant was more sensitive to the bactericidal activity of polymyxin B and lactoferricin B than was its smooth (S) counterpart but considerably more resistant than Salmonella montevideo. ...
Counts, serovars, and antimicrobial resistance phenotypes of salmonella on raw chicken meat at retail in Colombia
(International Association for Food Protection, 2013-10-21)
The objective of this study was to determine Salmonella counts, serovars, and antimicrobial-resistant phenotypes on retail
raw chicken carcasses in Colombia. A total of 301 chicken carcasses were collected from six ...
Hallazgos post-mortem y caracterización bacteriana de salmonelosis septicémica equina: Descripción de un caso.
(Universidad Nacional, Costa Rica, 2022-07)
Se describe el primer caso, debidamente confirmado, de salmonelosis en un equino en Costa Rica; una potra
iberoamericana de siete meses de edad con un cuadro de diarrea de unas cuatro semanas de transcurso y baja ...