ORIGINAL PAPER
The effects of phytase supplementation and dietary
phosphorus level on performance and on tibia ash
and phosphorus contents in broilers fed maize-soyabased
diets
| 1 | Ankara University, Faculty of Agriculture, Department of Animal Science,
06110 Ankara, Turkey |
| 2 | Ahi Evran University, Faculty of Agriculture, Department of Animal Science,
40100 Kırsehir, Turkey |
| 3 | Huvepharma AD, 1113 Sofia, Bulgaria |
CORRESPONDING AUTHOR
N. Ceylan
Ankara University, Faculty of Agriculture, Department of Animal Science, 06110 Ankara, Turkey
Ankara University, Faculty of Agriculture, Department of Animal Science, 06110 Ankara, Turkey
Publication date: 2012-11-15
J. Anim. Feed Sci. 2012;21(4):696–704
KEYWORDS
ABSTRACT
To test phytase efficiency, 4 dietary treatments including a positive control (T1), negative
control (T2, containing 0.10% less total phosphorus than T1), negative control plus 500 FTU phytase
(T3), and low-negative control plus 500 FTU phytase (T4, containing 0.13% less total phosphorus
than T1) were used. Reducing the available phosphorus level of the broiler diet from 0.47% to
0.37% during the starter, and from 0.37% to 0.26% during the grower-finisher period significantly
(P<0.01) depressed growth performance as compared with T1. Phytase supplementation significantly
(P<0.01) improved the growth performance of the birds for both starter and grower periods. Tibia
ash and phosphorus content in both the T3 and T4 groups were similar to T1 and higher (P<0.01)
than in T2. Phytase supplementation of both negative control diets significantly (P<0.01) reduced
the phosphorus level in excreta. It can be concluded that with phytase supplementation, the total
phosphorus level in broiler diets can be decreased by 0.13%.
CITATIONS (5):
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2.
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5.
Performance of an Escherichia coli
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