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Article
M. B. Horvath, Auteur ; B. Martinez-Cruz, Auteur ; J. J. Negro, Auteur ; L. Kalmar, Auteur ; J. A. Godoy, AuteurNon-invasive sampling is a useful tool for genetic analyses of endangered and/or elusive species, but it is often inapplicable due to the low quality and quantity of the DNA obtained. In this study we show that the blood clot located in the supe[...]
Article
A. Barbosa, Auteur ; M. J. Palacios, Auteur ; J. J. Negro, Auteur ; J. J. Cuervo, AuteurThe questions of whether carotenoids are mobilized from storage organs or the blood during food shortages or in stressful situations and the amount of carotenoids available in these situations remain contentious. We study the amount of carotenoi[...]
Article
J. J. Negro, Auteur ; J. L. Tella, Auteur ; F. Hiraldo, Auteur ; G. R. Bortolotti, Auteur ; P. Prieto, AuteurDans Ardea (89(2) 2001)We studied seasonal variation in plasma carotenoid levels of captive Red-legged Partridges Alectoris rufa in relation to sex, age and condition. The legs, bill and eye lores in this species are bright red due to carotenoid pigments. Carotenoid l[...]
