[The trichophagy in the chinchilla. Clinical and anatomic-pathologic aspects [in Italy]]

abnormal behaviour chinchilla chinchillas comportamento anormale comportamiento anormal comportement anormal deficiency diseases hair italia italie italy liver diseases maladie de carence maladie du foie malattie da carenza necropsie nutrition nutrizione pathologie pathology patologia pelo poils postmortem examination ration rations