TY - JOUR TI - Comparison of effects on hypophysis treatment with HCG and Metoclopramide in the efficiency of artificial propagation on bream reproduction fishes ( Abramis brama orientails Berg 1905) JO - New Technologies in Aquaculture Development VL - 3 IS - 3 SP - 51 EP - 64 PY - 2009 DO - ER -