Naslov
Effects of supplemental phytase on the tibia mineral content of broilers fed different cereal based diets

Autori
Pintar, Jasna ; Bujan, Marija ; Homen, Biserka ; Gazić, Ksenija ; Sikirić, Maja ; Černy, Tajana

Izvornik
Czech journal of animal science (1212-1819) 50 (2005), 2; 68-73

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
corn ; wheat ; triticale ; barley ; phytase ; tibia mineral content ; calcium ; phosphorous ; iron ; magnesium ; cadmium ; zinc

Sažetak
A 21 day experiment with day-old broilers was conducted in order to asses the effect of phytase supplementation to cereals-soybean meal based diets on tibia mineral content (Ca, P, Fe, Mg, Cd, Zn). Diets were formulated to contain 4 different cereals (corn, wheat, triticale and barley), 2 levels of dietary calcium (0.6 and 1.0 %) and 3 levels of supplemental phytase (0, 500 and 1000 PU / kg). Supplemental phytase increased the minerals tibia level. Statisticaly significant increase were observed for Fe (P < 0.024) and Mg (P < 0.024), but not for Ca, P, Cd and Zn tibia content. In the case of Fe and Mg contents significant cereal x phytase interactions was also observed (P < 0.036 and 0.002, respectively). Cereals influenced Fe (P < 0.0001), Mg (P < 0.0001), Cd (P < 0.0001) and Zn (P < 0.003) content, while dietary calcium levels affected only calcium content (P < 0.008).

Izvorni jezik
Engleski

Znanstvena područja
Kemija, Poljoprivreda (agronomija)

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