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    Functionality of a next generation biosynthetic bacterial 6-phytase in enhancing phosphorus availability to broilers fed a corn-soybean meal-based diet

    The addition of phytase enzyme to broiler feed as a means of improving phosphorus (P) avail-ability and reducing P excretion is widespread practice. New phytases with enhanced function-ality continue to be developed. We tested the effects of a next generation biosynthetic bacterial 6-phytase on growth performance, tibia ash and P digestibility in broilers. Treatments included a nutritionally adequate positive control (PC) diet, a negative control (NC) diet formulated with reductions in Ca and available P (avP) of 2.0 g/kg and 1.9 g/kg (starter phase) and 2.0 g/kg and 1.8 g/kg (finisher phase), respectively, and three further diets comprising the NC supplemented with three levels of phytase (250, 500 or 1000 FTU/kg). Diets were fed in mash form to day-old Cobb 500 broilers housed in pens (9 pens for NC, 10 pens for all other treatments; 24 birds/pen), in two phases (starter, days 1–21; finisher, days 22–42). ....
    Document information
    Product / service: Carbohydrases and Proteases, Enzymes
    Publication date: 02/06/2020
    Species: Broiler, Poultry
    Authors: Dersjant-Li Y, Archer, G., Stiewert, A.M., Brown, A.A., Sobotik, E.B., Jasek, A., Marchal, L., Bello, A., Sorg, R.A., Christensen, Trine, Kim, H.-S., Mejldal, R., Nikolaev, I., Pricelius, S., Haaning, S., Sorensen, J.F., de Kreij, A., Sewalt, V.
    Doctype: Publications & Citations
    Publication / conference: Animal Feed Science and Technology, Elsevier
    Regions and countries:
    Keywords: broiler, broilers, broiler chicken, phytase, phosphorus availability
    Production challenge(s): Phosporous
    Diets: All diets
    Brands: Axtra® PHY GOLD
    Resource ref:
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