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Condiciones experimentales en los modelos de selección de microhabitat en caracoles terrestres
(Universidad de Córdoba, Servicio de Publicaciones, 2006)
Habitat selection by terrestrial snails, used as laboratory animals, is an important factor because it can alter growth rates often used as a good biological indicator, moreover of its productive meaning. As support to the ...
Caracterización productiva del vacuno ecológico en Andalucía
(Universidad de Córdoba, Servicio de Publicaciones, 2007)
The structure of organic beef cattle farms located in Andalusia have been characterised from a stratified survey including 10% of official census. Farms are specialized in raising steers and use native breeds. The mean ...
Circuito de comercialización de la leche ecológica en siete comunidades autónomas españolas
(Universidad de Córdoba, Servicio de Publicaciones, 2007)
A major concern for organic dairy farms is to develop specific commercial circuits who guarantee the flow of organic products to the consumers. Therefore, the commercial circuits for organic milk are analysed. Actually, ...
Diversidad malacológica en Andalucía. Recurso renovable
(Universidad de Córdoba, Servicio de Publicaciones, 2007)
The aim of this study is the evaluation of malacological diversity in Andalusian region. It has been observed high heterogeneity in relation to distribution patters of snails. Terrestrial edible snail populations are grouped ...
Efecto de la densidad de población sobre el tamaño del caracol helix aspersa müller
(Universidad de Córdoba, Servicio de Publicaciones, 2004)
An assessment was made of the effects of population density on Helix aspersa Müller snails at their nursery stage. A sample of 3420 animals was used, grouped at eighteen density levels: from 600 to 11100 snails/m2. The ...
Efecto de la adición de carbonato cálcico en la dieta de helix aspersa müller
(Universidad de Córdoba, Servicio de Publicaciones, 2004)
In this paper is studied the effect of calcium carbonate addition to diet on growth, mortality rate and feed intake of snails Helix aspersa Müller during the juvenile stage under laboratory conditions. Two treatments have ...
Selección de hábitat en caracoles terrestres y sus aplicaciones a la helicicultura
(Universidad de Córdoba, Servicio de Publicaciones, 2006)
Snails are employed as experimental animals in different scientific fields and their growth is a good biological indicator. Growth is mainly determined at a genetic level, although many factors biotic and abiotic may alter ...
RAEA–Helicicultura: herramienta de conservación y desarrollo rural en Andalucía
(Universidad de Córdoba, Servicio de Publicaciones, 2007)
The fast growth system is a snail rearing method with a high degree of technification. Actually, the experimental evaluation of the system is being developed by an Andalusian Network of Agrarian Research (RAEA-Heliciculture) ...
Estudio técnico-económico de dos leguminosas forrajeras tropicales en la alimentación del vacuno lechero en la región NO de la República Dominicana
(Universidad de Córdoba, Servicio de Publicaciones, 2006)
Two tropical leguminous forages are used as a partial substitute of the concentrate feed to milk production and its viability in the Northwest region of Dominican Republic is studied. Twelve dairy cows are used (crosses ...
Tipología de los sistemas de producción de engorde bovino en la Pampa argentina
(Universidad de Córdoba, Servicio de Publicaciones, 2006)
The objective of the study is the identification and classification of production systems for bovine fattening in pastoral conditions in the semiarid Argentine Pampa called invernada, taking in account their physical, ...