Buscar
Mostrando ítems 1-4 de 4
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 ...
Identification of an iron acquisition machinery in Flavobacterium columnare
(Facultad de Ciencias, 2013)
Flavobacterium columnare, a fastidious Gram-negative pathogen and the causative agent of columnaris disease, is one of the most harmful pathogens in the freshwater fish-farming industry. Nevertheless the virulence mechanisms ...
Evaluation of root systems of seven peach rootstocks
(Facultad de Ciencias, 2012)
The objective of this study was to evaluate and compare root distribution and length, using 8-year-old peach trees planted in a sandy loam of medium depth and good drainage, with drip irrigation in Paine (Chile). The ...