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Condiciones climáticas y la producción láctea del ganado jersey en dos pisos altitudinales
Climatic conditions and jersey cattle dairy production on two altitudinal levels
(2019-12-05)
Introducción. La precipitación, temperatura, radiación y humedad relativa varían según la altura, esto provoca la presencia de microclimas que afectan la productividad de los animales. Objetivo. Asociar las condiciones ...
Evaluation of the quality of natural products for the preparation of chamomile and mint tea in Costa Rica
(2017)
In this study, the quality and safety of chamomile and mint tea marketed in Costa Rica were evaluated. Physical and chemical analyses, the presence of toxic substances and pathogenic microorganisms were carried out, to ...
Calidad nutricional y presencia de aflatoxina de los henos de Transvala (Digitaria decumbens cv. Transvala) producidos en 5 cantones de la provincia de Guanacaste, Costa Rica
(2015)
Se determinó la calidad nutricional y la presencia de aflatoxinas totales en muestras de heno de Transvala producido en la provincia de Guanacaste, con el fin de brindar información a la norma INTECO PN INTE 02-09-01. Heno, ...
Colouration in amphibians as a reflection of nutritional status: The case of tree frogs in Costa Rica
(2017-08-24)
Colouration has been considered a cue for mating success in many species; ornaments in males often are related to carotenoid mobilization towards feathers and/or skin and can signal general health and nutrition status. ...
Aflatoxins occurrence through the food chain in Costa Rica: Applying the One Health approach to mycotoxin surveillance
(2017-12)
Aflatoxins (AFs) are toxic metabolites produced by Aspergillus spp. and commonly found in crops, grains, feedstuff, and forages. Exposure to AFs has been associated with increased risk of liver cancer and growth retardation ...
Comparison of two non-destructive techniques to determine DM yield in the tropics
(2018-06)
Dry matter yield determines both stocking rate and animal carrying capacity on farms, but to estimate
such indicators, accurate yield measures are required. Some common techniques to estimate biomass in
pastures are ...
Severidad de miopatías de pechuga y su relación con indicadores de bienestar productivos, fisiológicos y de comportamiento en pollos de engorde
Severity of breast myopathies and their relationship with productive, physiological and behavioral welfare indicators in broilers
(2022)
El objetivo de este experimento fue evaluar la relación entre diferentes grados de severidad de las
miopatías de pechuga, conocidas como pechuga de madera (PM) y estrías blancas (EB), con indicadores de bienestar
fisiológicos, ...
Improving phenotypic prediction in dairy cattle breeding using the metagenome
(2019-11-18)
Ruminants evolved from Artiodactyla in the Eocene 50–70 million years ago. In that period, grass began to populate the largest land surface on Earth. Since then, ruminants and their microbiota have evolved together in ...
Feeding and Nutrition of Anteaters
(2011-05-02)
The superorder Xenarthra (former Edentata) is grouped into two orders, Cingulata (armadillos) and Pilosa (anteaters and sloths). These are special mammals
that show unique traits: (1) the existence of secondary articulations ...
Additive genetic and heterosis effects for milk fever in a population of Jersey, Holstein × Jersey, and Holstein cattle under grazing conditions
(2018-08-30)
The aim of this study was to estimate additive genetic and heterosis effects for milk fever (MF) in Costa Rican dairy cattle. A farm-based management information software was used to collect 223,783 parity records between ...