Due bisonti nati in cattività e rilasciati la scorsa primavera sui Carpazi rumeni sono morti a causa della malattia della "lingua blu", che causa cianosi e di cui si sono recentemente scoperti dei focolai.
Questa patologia infettiva è l'ennesima piaga che colpisce il bisonte europeo, già decimato dalla caccia e dalla deforestazione. Per la sua sopravvivenza è stato infatti necessario avviare un programma di riproduzione controllata.
Le carcasse sono state trovate proprio presso la zona selvaggia dove erano stati liberati altri 15 ruminanti provenienti parchi faunistici in Svizzera, Germania e Svezia.
AFP/NC
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