Phytases and myo-inositol modulate performance, bone mineralization and alter lipid fractions in the serum of broilers

• Autorzy: Zyla K. , Dulinski R. , Pierzchalska M. , Grabacka M. , Jozefiak D. , Swiatkiewicz S.
• Języki publikacji: EN

Abstrakty

EN

Under conditions simulating intestinal digestion in broilers, phytase B was found to free myo-inositol from low non-phytate phosphorus maize–soyabean meal-based and wheat–soyabean meal-based diets, whereas both 3- and 6-phytases A accelerated myo-inositol release only in the presence of phytase B. In the feeding experiment, myo-inositol at 1 g · kg–1 increased the feed intake and body weight gain of broilers fed both types of feeds. Phytase B at 1300 acid phosphatase units (AcPU) · kg–1 enhanced feed consumption, body weight gain, and tibia mineralization, whereas phytase B mixed with 6-phytase A at 500 phytase units (FTU) · kg–1 produced further enhancements in performance and bone mineralization. After 6 weeks, broilers fed the maize-based diets supplemented with both phytase B and 6-phytase A had increased serum concentrations of triglycerides and HDL-cholesterol, as well as an enhanced HDL/total cholesterol ratio. The increases in this ratio cannot be attributed to the release of phosphorus or to the generation of myoinositol by the supplemented enzymes, but can only be explained as effects of intermediate products of phytate dephosphorylation.

• Wydawca: -
• Czasopismo: Journal of Animal and Feed Sciences
• Rocznik: 2013
• Tom: 22
• Numer: 1
• Opis fizyczny: p.56-62,fig.,ref.

Twórcy

autor

Zyla K.

• Department of Food Biotechnology, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland

autor

Dulinski R.

• Department of Food Biotechnology, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland

autor

Pierzchalska M.

• Department of Food Biotechnology, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland

autor

Grabacka M.

• Department of Food Biotechnology, University of Agriculture in Krakow, Balicka 122, 30-149 Krakow, Poland

autor

Jozefiak D.

• Department of Animal Nutrition and Feed Management, Poznan University of Life Sciences, Wolynska 33, 60-637 Poznan, Poland

autor

Swiatkiewicz S.

• Department of Animal Nutrition and Feed Science, National Research Institute of Animal Production, 32-083 Balice, Poland

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