We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Comparative study on the effects of chelated or inorganic manganese in diets containing tricalcium phosphate and phytate on the growth performance and physiological responses of turbot Scophthalmus maximus.
- Authors
Ma, R.; Hou, H.; Mai, K.; Bharadwaj, A.S.; Ji, F.; Zhang, W.
- Abstract
A growth trial was conducted to evaluate the effects of chelated (Mintrex™ Mn, Mn-M) or inorganic (MnSO4·H2O, Mn-S) manganese (Mn) on growth, feed utilization, tissue Mn deposition and liver superoxide dismutase ( SOD) activity in turbot Scophthalmus maximus. A semi-purified basal diet was formulated to be deficient in Mn (3.7 mg kg−1) and contained tricalcium phosphate and sodium phytate at levels of 20 and 5 g kg−1, respectively. Ten other diets were made by adding five levels (5, 10, 20, 35 and 55 mg Mn kg−1 diet) of either the Mn-M or Mn-S to the basal diet, respectively. The 11 experimental diets were fed to groups of turbot (mean initial weight: 4.6 g) for 8 weeks. Results showed that the specific growth rate ( SGR), feed intake, whole body Mn/vertebra Mn concentration and Mn- SOD activity in liver were significantly improved by Mn supplementation ( P < 0.05). On the basis of SGR, vertebra Mn concentration or liver Mn- SOD activity data, dietary Mn requirement was estimated to be 10.5, 46.3 or 12.9 mg kg−1 for turbot fed Mn-S, and the same was estimated to be 7.6, 43.0 or 22.5 mg kg−1 for turbot fed Mn-M, respectively. There was no significant difference in growth, feed intake, whole body Mn concentration or vertebra Mn concentration between the two dietary Mn sources ( P > 0.05).
- Subjects
CHELATING agents; MANGANESE in animal nutrition; COMPARATIVE studies; PSETTA maxima; FISH growth; FISH physiology; CALCIUM phosphate
- Publication
Aquaculture Nutrition, 2015, Vol 21, Issue 6, p780
- ISSN
1353-5773
- Publication type
Article
- DOI
10.1111/anu.12206