Table 8. Dietary nutritional deficiency, essential amino acid (EAA) and fatty acid (EFA)
EAA/EFA	Deficiency signs/syndrome	Measure
Lysine	Slow growth, high feed conversion ratio	Add lysine supplement
Methionine	Slow growth, high feed conversion ratio	Add methionine supplement
Typtophan	Slow growth, high feed conversion ratio	Add fishmeal
Essential fatty acid	Slow growth, weakness, listlessness, fainting	Add fish oil