Effects of Chelating Agents on the Performance of Growing Chickens Fed High Calcium Diets

Shafey T.M. (1991) Effects of Chelating Agents on the Performance of Growing Chickens Fed High Calcium Diets. Australian Journal of Experimental Agriculture, 31 6: 765-768. doi:10.1071/EA9910765


Author Shafey T.M.
Title Effects of Chelating Agents on the Performance of Growing Chickens Fed High Calcium Diets
Journal name Australian Journal of Experimental Agriculture   Check publisher's open access policy
ISSN 0816-1089
Publication date 1991-01-01
Sub-type Article (original research)
DOI 10.1071/EA9910765
Volume 31
Issue 6
Start page 765
End page 768
Total pages 4
Subject 1100 Agricultural and Biological Sciences
Abstract The effects of supplementation with chelating agents on the growth performance of chickens fed high calcium diets were investigated in 2 experiments. In experiment 1, increasing dietary calcium to 25.2 g/kg significantly reduced body weight gain and feed efficiency. The addition of phytic acid (10 g/kg) tended to improve body weight gain of chickens fed high calcium diets; however, the gain was not significantly different from that of birds fed the high calcium diet. The addition of either Na2EDTA (1 g/kg) or proline (10 g/kg) to a high calcium diet did not affect body weight gain or feed efficiency of chickens. In experiment 2, increasing dietary calcium to 26 g/kg significantly reduced body weight gain and feed efficiency and increased plasma total calcium concentration. The addition of cellulose significantly (P<0.01) reduced plasma calcium and tibia calcium concentrations; however, the performance of chickens fed high calcium diets was not affected by the addition of cellulose. It was concluded that chelating agents differ in their ability to eliminate the toxic effects of high calcium diets, and that the addition of phytic acid at 1% was most successful in eliminating the growth depressing effect of high dietary calcium.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 28 Jun 2016, 15:50:16 EST by System User