Effects of the dietary treatments on the production of juvenile
Nile tilapia after 8 weeks of feeding are displayed in Table 2. The
growth and feed utilization were decreased in fish reared at high
density (CK) compared to those at normal density (LowCK)
(P < 0.05). Under the high density condition, no significant improvements
were observed in the growth performance and feed
utilization of tilapia fed with diets supplemented with the live or
heat-inactivated yeast compared with the control group (CK).