Browsing Artículos Científicos by Title
Now showing items 469-488 of 566
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Rinomicosis causada por Conidiobolus coronatus en un caballo proveniente de Puntarenas, Costa Rica
(Universidad Nacional, Costa Rica, 2012-09-16)Se describe un caso de rinomicosis en un caballo de 8 años procedente de Quepos, Puntarenas, Costa Rica, con historia de epistaxis periódica, secreción mucopurulenta y una masa granulomatosa ulcerativa visible en el ollar ... -
Role of Clostridium perfringens toxins in necrotic enteritis in poultry
(Escuela de Medicina Veterinaria, 2016)Poultry products represent over 30% of animal protein consumption worldwide, and its demand is growing considerably. The current global annual production of poultry meat and eggs is more than 115 million tons and 70 ... -
Rotavirus and coronavirus outbreak: etiology of annual diarrhea in Costa Rican children
(Universidad de Costa Rica, 1997)In Costa Rica, an annual outbreak of infant diarrheal disease (December and January) was reported since 1976, and rotavirus was incriminated 1ater as the main etiological agent (1976-1981). Apparently the disease has not ... -
Rotavirus Genotypes in Costa Rica, Nicaragua, Honduras and the Dominican Republic
(S. Karger AG, Basel, 2010-07-02)In this study, 574 stool samples from children with gastroen- teritis were obtained from different hospitals in Costa Rica, Honduras, Nicaragua and the Dominican Republic during 2005–2006. Diarrhea stool samples ... -
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 ... -
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 ... -
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 ... -
Salmonelosis en bovinos: su comprobación en Costa Rica
(Universidad Nacional, Costa Rica, 1982)Se resalta el incremento de la salmonelosis especialmente en la especie bovina, en diferentes países Se realizó el diagnóstico elínico y luego micro-biológico de salmonelosis en dos brotes de ganado bovino lechero (ersey/ ... -
Seasonal variations in testicular consistency, scrotal circumference and spermiogramme parameters of extensively reared Brahman (Bos indicus) bulls in the tropics
(Elsevier, 2002-07)Twenty-five extensively bred mature Brahman (Bos indicus) breeding bulls were clinically examined and electroejaculated at monthly intervals for 13 months to study whether testicular consistency (TC), scrotal circumference ... -
Seasonal weather, nutrients, and conspecific presence impacts on the southern house mosquito oviposition dynamics in combined sewage overflows
(Entomological Society of America, 2012-06-13)Combined sewage overflows have created favorable conditions for the establishment of the southern house mosquito, Culex quinquefasciatus Say (Diptera: Culicidae), larvae in natural creeks that would otherwise be unsuitable ... -
Sequence analysis of the hypervariable region in hmtp210 of Avibacterium paragallinarum
(The Japanese Society of Veterinary Science, 2017-05-27)The hmtp210 gene of Avibacterium paragallinarum, the causative agent of infectious coryza, encodes an outer-membrane hemagglutinin (HA) that plays an essential role in pathogenicity. A hypervariable region within this ... -
Seroconversión al VDVB en vacas coinfectadas con VLBE y HVB1: fundamento de la calostrogénesis y efecto de la infección persistente causada por el VDVB
(Facultad de Ciencias Agroalimentarias, Universidad de Costa Rica., 2020-09-30)Los virus de la diarrea viral bovina (VDVB), virus de la leucosis bovina enzoótica (VLBE) y herpesvirus bovino 1 (HVB1) son patógenos muy importantes en lecherías especializadas debido al impacto negativo que ocasionan. ... -
Serological detection of antibodies to Anaplasma spp., Borrelia burgdorferi sensu lato and Ehrlichia canis and of Dirofilaria immitis antigen in dogs from Costa Rica
(Universidad Nacional, Costa Rica, 2017-03-15)In a study in Costa Rica 314 serum samples from dogs throughout all seven provinces were tested using a commercial kit for the detection of circulating antibodies against Anaplasma spp., Borrelia burgdorferi sensu lato and ... -
Serological detection of viral infections in captive wild cats from Costa Rica
(Veterinary Medicine International, 2011-02-08)Serum samples from a total of 44 wildcats, 28 margays (Leopardus wiedii), 10 ocelots (Leopardus pardalis), four jaguaroundis (Herpailurus yaguaroundi), one oncilla (Leopardus tigrina), and one jaguar (Panthera onca) were ... -
Serological diagnosis of brucella infections in odontocetes
(American Society for Microbiology, 2009-04-15)Brucella ceti causes disease in Odontoceti. The absence of control serum collections and the diversity of cetaceans have hampered the standardization of serological tests for the diagnosis of cetacean brucellosis. Without ... -
Serological positivity against selected Flaviviruses and Alphaviruses in free-ranging bats and birds from Costa Rica evidence exposure to Arboviruses Seldom reported locally in humans
(MDPI, 2022)Abstract: Arboviruses have two ecological transmission cycles: sylvatic and urban. For some, the sylvatic cycle has not been thoroughly described in America. To study the role of wildlife in a putative sylvatic cycle, ... -
Serological Status for Chlamydophila psittaci, Newcastle Disease Virus, Avian Polyoma Virus, and Pacheco Disease Virus in Scarlet Macaws (Ara macao) Kept in Captivity in Costa Rica
(Blackwell Science, 2002-01-12)From 1998 to 1999, a total of 128 blood samples were collected from scarlet macaws (Ara macao), kept in captivity in 11 different aviaries located in six provinces of Costa Rica. The sera were examined for antibodies ... -
Serological survey of small mammals in a vesicular stomatitis virus enzootic area
(Wildlife Disease Association, 1996-04-01)Small nmamnnmals were captured in a Costa Rican dairy farm located ium a vesicular stouiiatitis virus (VSV) enzootic focus, in order to determine which species were naturally infected by this virus. Monthly captures were ... -
Serology, molecular detection and risk factors of Ehrlichia canis infection in dogs in Costa Rica
(Ticks and Tick-borne Diseases, 2016-10-06)A cross-sectional study combining different serological and molecular techniques for the detection of Ehrlichia species in dogs and their ticks was carried out with data from all regions of Costa Rica. A seroprevalence of ... -
Serology, molecular detection and risk factors of Ehrlichia canis infection in dogs in Costa Rica
(Universidad Nacional, Costa Rica, 2016-07-10)tA cross-sectional study combining different serological and molecular techniques for the detection ofEhrlichia species in dogs and their ticks was carried out with data from all regions of Costa Rica. A sero-prevalence ...