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Asian Journal of Poultry Science
  Year: 2011 | Volume: 5 | Issue: 1 | Page No.: 28-34
DOI: 10.3923/ajpsaj.2011.28.34
 
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Effect of Phytase and Citric Acid Supplementation on the Growth Performance, Phosphorus, Calcium and Nitrogen Retention on Broiler Chicks Fed with Low Level of Available Phosphorus

C. Deepa, G.P. Jeyanthi and D. Chandrasekaran

Abstract:
An experiment was conducted to study the effect of phytase and citric acid on the growth performance, phosphorus, calcium and nitrogen retention with sixty 1 day old mixed sex broiler chicks for 42 days. The experiment consists of four treatments with three replicates and five chicks in each replicate. The treatments were: T1-control diet (0.3% available phosphorus), T2-control diet with 2% citric acid, T3-control diet with 800 U phytase enzyme, T4-control diet with 800 U phytase plus 2% citric acid. The results revealed that the weight gain of the chicks was significantly higher (p<0.05) for groups that received phytase and phytase plus citric acid supplementation. Feed intake and feed conversion ratio were significantly higher for group that received both phytase and citric acid. Phytase and citric acid supplementation individually and in combination significantly improved phosphorus retention. Calcium and nitrogen retention were significantly higher for groups that received supplementation of phytase and phytase plus citric acid. No significant difference in phosphorus and calcium content of toe samples were observed between broilers of different diets.
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 RELATED ARTICLES:
  •    Performance, Egg Quality and Mineral Utilization of Dokki-4 Laying Hens Fed Diets Containing Three Levels of Nonphytate Phosphorus in Absence or Presence of Microbial Phytase, Citric Acid or Both
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How to cite this article:

C. Deepa, G.P. Jeyanthi and D. Chandrasekaran, 2011. Effect of Phytase and Citric Acid Supplementation on the Growth Performance, Phosphorus, Calcium and Nitrogen Retention on Broiler Chicks Fed with Low Level of Available Phosphorus. Asian Journal of Poultry Science, 5: 28-34.

DOI: 10.3923/ajpsaj.2011.28.34

URL: https://scialert.net/abstract/?doi=ajpsaj.2011.28.34

COMMENTS
24 December, 2010
Bayu Sesarahardian:
It was very interesting to read this journal, where I also have the same research topics to know the effect of combination microbial phytase and organic acids, especially citric acids. But I would like to give the comments about this journal.
1. Why the authors use citric acids as the supplementation to combined with microbial phytase. Is there any reason? As we know that the sources of organic acids not only citric acids but also many SCFA, MCFA and LCFA which have the potential effects to be combined with microbial phytase.
2. Do the authors have positive diet result? I mean that positive diet consist of normal diet (based on standard requirement). It will comprehensive if the authors also compare the effect between positive diet (without any supplementation) and negative diet (with or without supplementation of citric acid and microbial phytase).
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