A value-based approach to compare the optimum dose of an E. coli and Buttiauxella phytase in broiler diets

Using the marginal decision rule – we compared the optimum doses of the two phytases • Buttiauxella = 1468 FTU/ kg • E. coli = 597 FTU/ kg The optimum doses are heavily dependent on the cost of the phytase and inorganic P, but this model can be easily adapted to account for that. The limitation of the method is that energy and amino acid effects are not captured – nor are performance effects, but it still represents a good basis to have confidence in dose selected.

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Product / service:	Phytases
Publication date:	29/04/2015
Species:	Poultry, Broiler
Authors:	Barnard L, Romero LF, Ravindran V
Doctype:	Conference Presentations & eBooks
Publication / conference:
Regions and countries:	Global
Keywords:
Production challenge(s):
Diets:	Corn & sorghum meal, Corn & soybean meal
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