Buscar
Mostrando ítems 1-10 de 150
Evaluation of performance and carcass traits for a five-cohort All Heifer, No Cow beef production system demonstration herd
(2020-10-27)
The All Heifer, No Cow (AHNC)
beef production system is an alternative to con ventional cow/calf production that involves in semination of nulliparous heifers with sexed
semen to produce female calves that are early ...
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 ...
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. ...
Know Your Community: Animal Agriculture and the Environment
(2020)
The Animal Agriculture and the Environment (AAE) Community of ASA (Environmental Quality Section) brings together members of different backgrounds to understand how livestock operations have the potential to reduce their ...
Asociación entre fiebre de leche y cetosis subclínica en un hato de vacas jersey en pastoreo en Oreamuno de Cartago
(2015)
El objetivo de este estudio fue asociar la ocurrencia de fiebre de leche en el periparto de vacas de la raza Jersey, de un hato comercial, con la concentración sanguínea de βhidroxibutirato (βHBA) a los 30±3 días posparto. ...
Suplementación en sistemas de doble propósito
(2017-09)
En la ganadería de doble propósito costarricense, según información registrada por CORFOGA, el peso promedio del ternero al destete en el 2015 era de 141 kg, muy por debajo del peso ideal de 200 kg.
Para mejorar esta ...
Of proteins and processing Mechanisms of protein damage upon rapeseed processing and their effects on nutritional value
(2017-01-31)
Amino acids are crucial for livestock animals, primarily obtained from the protein fraction of plant ingredients in their diets. However, the hydrothermal processing of protein-rich co-products from the vegetable oil ...
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 ...
Exploration of semen quality analyzed by casa-mot systems of brahman bulls infected with BLV and BHV-1
(2023)
Enzootic bovine leukosis virus (BLV) and bovine herpesvirus 1 (BHV-1) are very important infectious agents for the livestock industry worldwide. The present study aimed to explore the association between natural exposure ...
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, ...