Publications

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[comparative study on the uropygial gland lipids of the greenfinch (carduelis chloris), bullfinch (pyrrhula pyrrhula) and the linnet (carduelis cannabina)]. 19714401890
spontaneous toxoplasmosis in canaries (serinus canaria) and other small passerine cage birds.an outbreak of spontaneous toxoplasma gondii infection on an italian bird-farm is described. small passerine birds (serinus canaria, carduelis chloris, carduelis carduelis, carduelis spinus, carduelis cannabina, pyrrhula pyrrhula) showed clinical signs consisting of anorexia, prostration, weight loss, diarrhoea and dyspnoea accompanied by a high mortality rate. clinical, pathological, biological and serological investigations were performed. characteristic lesions and toxoplasma gondii specimens ...198618766519
carotenoids in bird plumage: the complement of red pigments in the plumage of wild and captive bullfinch (pyrrhula pyrrhula).we have studied the carotenoid pigments in the red plumage of male bullfinch (pyrrhula pyrrhula) immediately following capture and after the completion of the moult in captivity under dietary control. astaxanthin, adonirubin, and alpha-doradexanthin, as well as papilioeritrinone and canthaxanthin (in lower amounts) are in every case the dominant carotenoids in the plumage pigment of wild individuals. alpha-doradexanthin is responsible for the reddish-rose colour, which captive individuals adopt ...200111250548
environmental-induced acquisition of nuptial plumage expression: a role of denaturation of feather carotenoproteins?several avian species show a bright carotenoid-based coloration during spring and following a period of duller coloration during the previous winter, despite carotenoids presumably being fully deposited in feathers during the autumn moult. carotenoid-based breast feathers of male linnets (carduelis cannabina) increased in hue (redness), saturation and brightness after exposing them to outdoor conditions from winter to spring. this represents the first experimental evidence showing that carotenoi ...200516191594
focal bird species and risk assessment approach for nonagricultural grassland scenarios in central europe.the european food safety authority (efsa) guideline on risk assessment identifies pesticide exposure scenarios for nontarget wildlife; however, this scheme is not applicable to nonagricultural grassland. for example, different habitats and human utilization on golf courses attract bird communities that differ from those found in agricultural fields with annual crop cycles. the present study determined focal bird species for amenity grasslands such as golf courses following the efsa guideline. ba ...201424889926
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