1.   These are thought by researchers to be the result of low calcium and magnesium and high aluminium in the brain.

2.   Only on the low calcium diet was soluble calcium significantly decreased, as soluble phosphate was increased by phosphate supplementation of this diet.

3.   Supplementary dietary phosphate decreased the fatty acid concentration only on the low calcium diet.

4.   The lytic activity of faecal water was high on the low calcium diets.

5.   Despite the low calcium level, the adult mussels thrived.