Buscar
Mostrando ítems 1-10 de 65
Benefits of dimensionless hydrology.
(International Association for Hydro-Environment Engineering and Research., 2019)
The objective of this work is to show the immense utility of the dimensionless parameters of surface hydrology, as it happens with the reduced scale models of applied hydraulics, since they are powerful tools to explain ...
The epidemiology of fasciolosis in the inter-Andean valley of Cajamarca, Peru.
(Elsevier Ireland Ltd., 1997)
Fasciolosis is recognised as a major problem in dairy cattle in parts of Peru. A longitudinal study of dairy cattle in Cajamarca, Peru was used to determine the annual pattern of infection with Fasciola hepatica. After a ...
Strategic control of fasciolosis in the inter-Andean valley of Cajamarca, Peru.
(British Veterinary Association., 1998)
Fasciolosis is recognised as a major problem in dairy cattle in Cajamarca, Peru. The infection has an annual cycle, with the major period of infection from January to March. A control programme, involving two doses of the ...
Haematological parameters in Brown Swiss and Holstein cattle at high altitude.
(Springer Netherlands., 1996)
Standard haematological values have been calculated for female Holstein and Brown Swiss cattle kept at high altitudes in the Andean Sierra. Overall mean values were 5·9 × 1012 l−1 for the red cell count, 0·321l−1 for the ...
Three new species of Muhlenbergia and Uniola (Poaceae) from Northern Peru.
(Elsevier Ltd., 1990)
Three new grass species, Muhlenbergia coxamarcensis, M. maxima and Uniola peruviana are described from Northern Peru. Their affinities and geographical distribution are briefly discussed.
Fasciola infection in guinea-pigs in the Peruvian highlands.
(Springer Netherlands., 1996)
No abstract available.
Efecto de la suplementación con selenio sobre la actividad sanguínea de glutation peroxidasa (GSH-Px) y ganancia de peso en bovinos selenio deficientes mantenidos a pastoreo.
(Elsevier Ltd., 2000)
An experiment was designed to study the effects of a selenium (Se) supplementation with sodium selenite on the blood activity of glutathione peroxidase (GSH-Px; EC 1.11.1.9) and live weight gain of selenium deficient grazing ...
Development of an antibody-detection ELISA for Fasciola hepatica and its evaluation against a commercially available test.
(Elsevier Ltd., 2005)
An ELISA was developed for the detection of Fasciola hepatica antibody in serum of cattle. The assay was applied to sera from 258 naturally infected cattle, 256 non-infected cattle and six calves experimentally infected ...
The specificity of antibody responses in cattle naturally exposed to Fasciola hepatica.
(Elsevier Ltd., 2000)
Fasciola hepatica causes significant morbidity and mortality in dairy cattle in the Andean region of Cajamarca, Peru, where prevalence of infection of up to 78% has been reported. ELISA and Western blot analyses were used ...
Weed communities in Andean cropping systems of Northern Peru.
(Elsevier Ltd., 1998)
Weeds can have both positive and negative effects on agricultural environments. However, despite the growing interest in the ecology of weed communities in agricultural areas, a few studies have been carried out in the ...






