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Resultados de la implementación de tecnologías solares en sistemas de producción agropecuaria en Costa Rica
(2017)La alta dependencia por los combustibles fósiles insta a buscar alternativas que permitan una producción más limpia y que contribuyan a mitigar los efectos del cambio climático. El objetivo del presente trabajo consiste ... -
La selección de cultivares como herramienta para el desarrollo de productos mínimamente procesados en fresco
(Universidad Nacional Bastidas de Arurimac, 2018)Actualmente, los consumidores tienen a su disposición una gran variedad de productos con diferente grado de elaboración. Dentro de estos productos sobresalen aquellos clasificados dentro de la IV Gama, también conocidos ... -
Kinematic sub-populations in bull spermatozoa: a comparison of classical and bayesian approaches
(Biology 2020, 2020-06-26)The ejaculate is heterogenous and sperm sub-populations with different kinematic patterns can be identified in various species. Nevertheless, although these sub-populations are statistically well defined, the statistical ... -
Morphometry and subpopulation structure of Holstein bull spermatozoa: Variations in ejaculates and cryopreservation straws
(2016)Sperm quality is evaluated for the calculation of sperm dosage in artificial reproductive programs. The most common parameter used is motility, but morphology has a higher potential as a predictor of genetic quality. ... -
Morphometric comparison by the ISAS® CASA-DNAf system of two techniques for the evaluation of DNA fragmentation in human spermatozoa
(Instituto Tecnológico de Costa Rica. Escuela de Agronomía. Sede San Carlos., 2016)DNA fragmentation has been shown to be one of the causes of male infertility, particularly related to repeated abortions, and different methods have been developed to analyze it. In the present study, two commercial kits ... -
Effect of an energy supplementation, weaning and oestrous synchronisation on ovarian activity and ovulation in early postpartum primiparous Bos indicus cows raised in the tropics of Costa Rica
(Animal Production Science, 2016)To evaluate the effect of an energy supplementation, 26 postpartum Bos indicus cows were assigned either to receive an energy diet supplementation (n = 11, SSD) or no supplementation (n = 15, NSSD). Cows in the SSD ... -
Citrus huanglongbing associated with ‘Candidatus liberibacter asiaticus’ present in the northern region of Costa Rica but has not been detected in other citrus-growing areas
(American Phytopathological Society, 2015-12)Since 2011, citrus Huanglongbing (HLB, ex-greening) disease has been detected in Los Chiles, Costa Rica, close to the Nicaraguan border, by the State Phytosanitary Service (Servicio Fitosanitario del Estado; SFE) and by ... -
Evaluation of sustainability and the impact of the agriculture styles of the chilean coastal dry lands.
(2017)La agricultura ha progresado ininterrumpidamente, pasando de la utilización de recursos naturales gratuitos al uso creciente de recursos fósiles como fuentes energéticas. Si bien la agricultura depende fundamentalmente de ...