Feeding: three times per week or daily until 24 hours before the test is started.
11. Following a 48-hour settling-in period, mortalities are recorded and the following criteria
applied:
- mortalities of greater than 10 per cent of population in seven days: rejection of entire
batch;
- mortalities of between 5 and 10 per cent of population: acclimatisation continued for
seven additional days;
- mortalities of less than 5 per cent of population: acceptance of batch.
Water