Buscar
Mostrando ítems 1-6 de 6
Análisis productivo y económico de la producción de machos enteros de lechería bajo dos sistemas de alimentación
(Facultad de Ciencias, 2014)
Se realizó un estudio para evaluar la respuesta productiva y económica de la producción de machos enteros de lechería bajo dos sistemas de alimentación. Se utilizaron 16 toritos Holstein Friesian nacidos en otoño de 2011, ...
Saprolegnia species affecting the salmonid aquaculture in Chile and their associations with fish developmental stage
(Facultad de Ciencias, 2014)
The rapid increase in the aquaculture production of salmonids has been followed by a rise in several diseases. In particular, saprolegniosis can account for at east 10% of the annual economic loss in salmonids. In this ...
Manchas por alimentación de Frankliniella occidentalis (Thysanoptera: Thripidae) en uva de mesa blanca
(CIENCIAS, 2014)
Entre 2006-2008 se hicieron siete ensayos en el Valle Central de Chile para verificar que la alimentación de Frankliniella occidentalis, después de la floración, causa manchas en uva de mesa blanca con pérdidas de hasta ...
Beef production from dairy bulls under two different production systems and its effect on the fatty acid profile and beef quality.
(CIENCIAS, 2014)
Bulls in dairy production are usually slaughtered at an early age to avoid production problems and unnecessary costs. However, the animals could be a source of additional income and better quality meat. The objective of ...
Health risks caused by short term exposure to ultrafine particles generated by residential wood combustion: A case study of Temuco,Chile
(CIENCIAS, 2014)
Temuco is one of the most highly wood smoke polluted cities in Chile; however, there is scarce evidence of respiratory morbidity due to fine particulate matter. We aimed to estimate the relationship between daily concentration ...
Evaluation of chañar seed cake from biodiesel production as a soil amendment.
(CIENCIAS, 2014)
One of the major problems for biodiesel producers is the disposal of the seed cake after expelling oil from seeds. Every ton of biodiesel results in 2.5 to 3 tons of seed cake as byproduct. The physicochemical characteristics ...