mineral composition of rainbow trout

Treatment (diets)	Day 0	A₁ (day 56)	B₁ (day 56)	C₁ (day 56)	D₁ (day 56)
Minerals (%)
Calcium	2.06 ± 0.04^a*	2.48 ± 0.15^ab	2.46 ± 0.13^ab	2.52 ± 0.06^b	3.21 ± 0.31^cb
Phosphorus	1.16 ± 0.01^a	1.84 ± 0.01^cb	1.88 ± 0.01^db	1.82 ± 0.00^bb	1.82 ± 0.00
Potassium	0.81 ± 0.01^a	0.80 ± 0.02^a	0.81 ± 0.01^a	0.81 ± 0.02^a	0.81 ± 0.01^a
Magnesium	0.16 ± 0.01^a	0.19 ± 0.01^cb	0.19 ± 0.00^cb	0.18 ± 0.00^ba	0.20 ± 0.02

Statistical differences within rows are shown with different superscript letters, (P<0.05) **.

Table 7: Whole body mineral composition of rainbow trout fingerling in first and fish fed graded dietary levels of inorganic Ca at the end of experiment І (means ± std. error)*.

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