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Table 1 Description of 12 dietary treatments in a 3 × 2 × 2 experimental design

From: Effects of calcium level and source, formic acid, and phytase on phytate degradation and the microbiota in the digestive tract of broiler chickens

Acidification

Ca level

(g/kg dry matter)

Phytase supplementation

(FTU/kg)

CaCO3

5.6

0

 

1500

8.2

0

 

1500

CaCO3 + formic acid

5.6

0

 

1500

8.2

0

 

1500

Ca-formate

5.6

0

 

1500

8.2

0

 

1500