USE OF A POTENTIAL PROBIOTIC LACTOCOCCUS-LACTIS AR21 STRAIN FOR THE ENHANCEMENT OF GROWTH IN THE ROTIFER BRACHIONUS-PLICATILIS (MULLER)

The effect of a potential probiotic on the growth performance of a rot ifer and its inhibition against Vibrio anguillarum was studied, Probio tic strain AR21 had no significant observable effect on the growth rat e of rotifers under optimal culture conditions in three consecutive ex periments, In the first and second experiments, the AR21 strain exhibi ted an inhibitory effect against the V. anguillarum strain when rotife r cultures were maintained at a suboptimal feeding regime. The growth rate of the rotifers in suboptimal feeding conditions was significantl y higher in the treatment receiving AR21 and V. anguillarum than in th e treatment where only V. anguillarum was added.