ZINC UPTAKE IN FLESH, LIVER AND BONE OF COMMON CARP (CYPRINUS CARPIO L.) YOUNGONES AT DIFFERENT DIETARY ZN (ZNSO4. 7H2O) LEVELSJagdeep Kaur, Ajeet Singh, S.N. Datta and Grishma Tiwari
Zinc (Zn) uptake in flesh, liver and bone of common carp (Cyprinus carpio L.) youngones at 0, 20 and 40 mg kg-1 Zn concentration were tested. Three diets (D1, D2 and D3) containing same level of refined feed ingredients were mixed, while for 0(D1), 20(D2) and 40(D3) mg kg-1 Zn concentration, ZnSO4. 7H2O was added @ 0, 88.40 and 176.8 mg kg-1, respectively. After 90 days, comparatively higher growth recorded in youngones, fed with Zn incorporated diets, the differences were insignificant. SGR (0.56, 0.81 and 0.83), FCR (3.64, 2.33 and 2.84) and PER (0.84, 1.27 and 1.10) showed no significant (P< 0.05) difference among D1, D2 and D3 diets, respectively. Due to addition of Zn in diets, protein content in flesh improved significantly (P>0.05), more over zinc uptake in flesh, liver and bone also improved.
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