Effect of addition of microbiotics Streptococcus faecium M-74 to the feedstuff on the sheat fish (Silurus glanis) fry growth

additif aux aliments des animaux alevines alimentation des poissons biomasa biomass biomasse feed additives fish feeding fish larvae gain de poids ganancia de peso growth rate ingredientes ingredients larve de poisson piensos medicinales probiotics probiotique raciones ration rations siluroidei streptococcus supervivencia survie survival taux de croissance weight gain