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Now showing items 291-300 of 313
Modelo estocástico para estimación de valores económicos de rasgos productivos y funcionales en bovinos lecheros
(Agrociencia, 2009)
En programas de mejoramiento genético es necesario contar con estimadores del valor económico de los rasgos que se desean seleccionar. El objetivo del presente estudio fue construir un modelo estocástico para el cálculo ...
Isolation and genetic characterization of Toxoplasma gondii from striped dolphin (Stenella coeruleoalba) from Costa Rica
(American Society of Parasitologists, 2007)
Toxoplasma gondii infection in marine mammals is of interest because of mortality and mode of transmission. It has been suggested that marine mammals become infected with T. gondii oocysts washed from land to the sea. We ...
Haematology and plasma chemistry of breeding olive ridley sea turtles (Lepidochelys olivacea)
(British Veterinary Association (BVA), 2007-12-15)
THE olive ridley turtle (Lepidochelys olivacea) is the smallest species of living sea turtle. It is primarily carnivorous
and highly migratory, with a pantropical distribution in the
Atlantic, Pacific and Indian oceans ...
Isolation of toxoplasma gondii from the keel-billed toucan (Ramphastos sulfuratus) from Costa Rica
(American Society of Parasitologists, 2009-04-01)
Pectoral muscles from a captive keel-billed toucan (Ramphastos sulfuratus) from Costa Rica were fed to a Toxoplasma gondii– free cat, and the cat shed oocysts. Laboratory mice fed these oocysts developed antibodies to T. ...
Gastrointestinal parasites and ectoparasites of Bradypus variegatus and Choloepus hoffmanni sloths in captivity from Costa Rica
(American Association of Zoo Veterinanrans, 2009-03)
Sloths may serve as host to a wide range of parasites. However, there is little information available on
the types of parasites that affect Costa Rica's sloth population. During a 1-yr period, 65 specimens of Costa Rican ...
Epidemiological, social, and control determinants of Chagas disease in Central America and Mexico - Group discussion
(Memórias do Instituto Oswaldo Cruz, 2007)
The existence of Chagas disease in Central America
was reported for the first time in El Salvador in 1913,
four years after its discovery in Brazil. At that time only
Triatoma dimidiata was known as a vector, but two ...
Primitive Neuroectodermal Tumor in the Spinal Cord of a Brahman Crossbred Calf
(American College of Veterinary Pathologists, 2005-11)
A variety of embryonal tumors of the central nervous system, typically malignant and
occurring in young individuals, are recognized in humans and animals. This report describes an invasive
subdural but predominantly ...
Leukoencephalitis and Vasculitis with Perivascular Demyelination in a Weimaraner Dog
(American College of Veterinary Pathologists, 2000)
Aseptic and noninfectious diseases of the central nervous system are being recognized with
increasing frequency. After multiple episodes of neurologic illness, this 7-year-old Weimaraner dog was eu-
thanatized and ...
Brucella evolution and taxonomy
(Elsevier Science B.V, 2002)
The genus Brucella contains alpha-Proteobacteria adapted to intracellular life within cells of a variety of mammals. Controversy has arisen concerning Brucella internal taxonomy, and it has been proposed that the DNA–DNA ...
Brucellosis in Central America
(Elsevier Science B.V, 2002)
Brucellosis is a disease of domestic animals and humans in Central America (CA). Bovine and swine brucellosis caused by Brucella abortus and Brucella suis, respectively, have been identified in all CA countries, while ovine ...