Search
Now showing items 121-130 of 324
Acurácia da ultrassonografia Modo-B no diagnóstico de gestação e determinação do número de fetos em matrizes suínas
(Ciência Veterinária nos Trópicos, 2009)
Neste trabalho objetivou-se avaliar a acurácia da ultrassonografia Modo-
B como método diagnóstico de gestação nos dias 21 e 22 pós-inseminação artifici-
al, de acordo com o número de vesículas embrionárias (VEs) contadas, ...
Utilização do ultrassom modo-B no estudo do sistema reprodutivo de fêmeas suínas
(Revista Brasileira de Reprodução Animal, 2009)
The introduction of real time ultrasound on swine industry has had a strong impact in the development
of the reproductive performance evaluation of swine herds. With this technology, it is possible to diagnose
gestation ...
Morphologic and genetic characterization of Sarcocystis sp. from the African grey parrot, Psittacus erithacus, from Costa Rica
(Stefañski Institute of Parasitology, 2006-06-19)
A species of Sarcocystis is reported from a naturally infected African grey parrot, Psittacus erithacus, from Costa Rica. Only
mature sarcocysts, measuring up to 2 mm in length and up to 750 μm in width, were observed. ...
Estudio bioeconómico del efecto de la fertilización quimica versus organica sobre la producción del pasto camerún (Pennisetum purpureum) en la finca Montezuma, Guanacaste, Costa Rica
(Universidad Nacional, Costa Rica, 2006-06)
El objetivo de este estudio fue determinar la factibilidad bioeconómica del uso de estiércol
bovino para fertilización de pasto Camerún (pennisetum purpureum) en la hacienda Montezuma,
Guanacaste, Costa Rica. El primer ...
A joint Myxoma in a dog
(Harcourt Publishers Ltd, 2001)
Myxomas of the joints are extremely rare in domestic animals, only four cases, all in dogs, having been
reported previously. This paper describes a myxoma originating from the synovium of the right radiocarpal
joint of ...
Aerobic bacterial flora of nesting green turtles (Chelonia mydas) from Tortuguero National Park, Costa Rica
(American Association of Zoo Veterinarians, 2006)
Bacteriological examination of 70 nesting green turtles (Chelonia mydas) from Tortuguero National Park, Costa Rica was performed to investigate nasal and cloacal aerobic bacteria. A total of 325 bacterial isolates were ...
Assessment of sperm morphology in Zebu bulls, under field conditions in the tropics
(Blackwell, 2001)
Sperm morphology was studied in 302 extensively managed Zebu bulls (aged 1.5-9 years), classified as sound (n = 166) or unsound (n = 136) for breeding, under field conditions in the dry tropics of Costa Rica. Single semen ...
Antimicrobial activity of myotoxic phospholipases A2 from crotalid snake venoms and synthetic peptide variants derived from their C-terminal region
(Elsevier, 2005)
A short peptide derived from the C-terminal region of Bothrops asper myotoxin II, a Lys49 phospholipase A2 (PLA2), was previously found to reproduce the bactericidal activity of its parent molecule. In this study, a panel ...
Backyard Chicken Flocks Pose a Disease Risk for Neotropic Birds in Costa Rica
(American Association of Avian Pathologists, 2008)
Pathogens of free-ranging chickens create a risk of disease for wild birds, some of which migrate to the United States, as well as potential economic losses for resource-poor farmers. Free-roaming backyard chickens are ...
Regulation of Brucella virulence by the two-component system BvrR/BvrS
(Elsevier B.V., 2002-12-20)
The Brucella BvrR/BvrS two-component regulatory system is highly similar to the regulatory and sensory proteins of Sinorhizobium and Agrobacterium necessary for endosymbiosis and pathogenicity in plants, and very similar ...