[Testing the influence of astaxanthin on production properties, red blood count and selected biochemical parameters of blood plasma in rainbow trout (Oncorhynchus mykiss)]

acide urique acido urico additif aux aliments des animaux aditivos de piensos bazo body measurements body weight cholesterol colesterol compound feeds creatina creatine crecimiento croissance enzymic activity eritrocitos erythrocyte erythrocytes feed additives foie glucosa glucose growth haematocrit haemoglobin hematocrito hemoglobina liver mensuration corporelle oncorhynchus mykiss peso corporal piensos compuestos poids corporel proteine proteins rate spleen urea uree uric acid xanthophylle xanthophylls xantofilas