PHOSPHORUS AND PROTEIN UTILIZATION IN MALE BROILER CHICKENS FED ON DIFFERENT VARIETIES OF WHEAT WITH AND WITHOUT SUPPLEMENTAL PHYTASE

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POURREZA JAVAD; CLASSEN H.

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Journal: Journal of Water and Soil Science Year:2002 | Volume:6 | Issue:3 Page(s): 220-238

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Title

PHOSPHORUS AND PROTEIN UTILIZATION IN MALE BROILER CHICKENS FED ON DIFFERENT VARIETIES OF WHEAT WITH AND WITHOUT SUPPLEMENTAL PHYTASE

Author(s)

POURREZA JAVAD | CLASSEN H. | Issue Writer Certificate

Keywords

PHYTASEQ4

PHYTATEQ4

PHOSPHORUSQ2

PROTEIN DIGESTIBILITYQ3

BROILERQ3

Abstract

Effect of supplemental PHYTASE on PHOSPHORUS and protein utilization and perfonnance of BROILER chickens fed on eight different wheat varieties were evaluated. The PHYTATE contents of wheat varieties were detennined. In a completely randomized design with a 8x3 factorial arrangement, 384 day-old commercial male BROILER chicks (Hubbard×Peterson) were divided into 96 groups, four chicks per group. Each of the 24 experimental diets (eight varieties) and three levels of PHYTASE (zero, 500 and 1000 FTU/Kg) were given to four replicates for a period of 21 days. At 21 days of age, chickens of each replicate were weighed and killed by cervical dislocation. lleal contents were collected and analyzed for P, N, PHYTATE and chromic oxide. Left tibia of two birds in each replicate were removed, pooled and stored at -20°C for bone ash detennination. There was a significant (P<0.03) difference in PHYTATE contents between different wheat varieties. Effect of wheat varieties on body weight, feed conversion ratio and bone ash was significant (P<0.05). Added PHYTASE improved body weight, feed consumption, feed conversion ratio and bone ash significantly (P<0.05). PHYTASE added at 500 FTU/Kg, improved PROTEIN DIGESTIBILITY significantly (P<0.01), but increasing the supplement to 1000 FTU/Kg had no further effect. Difference between enzyme levels (500 and 1000 FTU/Kg) was not significant regarding body weight, feed. consumption, feed conversion ratio and bone ash. Overall addition of PHYTASE to the diets containing wheat caused an improvement in performance, PROTEIN DIGESTIBILITY, and PHYTASE PHOSPHORUS utilization in BROILER chickens, and can, therefore, be used in diets to reduce feed cost and environmental problems.

Cites

اثر مکمل فیتاز بر انرژی قابل سوخت و ساز و قابلیت هضم مواد مغذی سورگوم، ذرت و گندم

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APA: Copy

POURREZA, JAVAD, & CLASSEN, H.. (2002). PHOSPHORUS AND PROTEIN UTILIZATION IN MALE BROILER CHICKENS FED ON DIFFERENT VARIETIES OF WHEAT WITH AND WITHOUT SUPPLEMENTAL PHYTASE. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 6(3), 220-238. SID. https://sid.ir/paper/368218/en

Vancouver: Copy

POURREZA JAVAD, CLASSEN H.. PHOSPHORUS AND PROTEIN UTILIZATION IN MALE BROILER CHICKENS FED ON DIFFERENT VARIETIES OF WHEAT WITH AND WITHOUT SUPPLEMENTAL PHYTASE. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2002;6(3):220-238. Available from: https://sid.ir/paper/368218/en

IEEE: Copy

JAVAD POURREZA, and H. CLASSEN, “PHOSPHORUS AND PROTEIN UTILIZATION IN MALE BROILER CHICKENS FED ON DIFFERENT VARIETIES OF WHEAT WITH AND WITHOUT SUPPLEMENTAL PHYTASE,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 6, no. 3, pp. 220–238, 2002, [Online]. Available: https://sid.ir/paper/368218/en

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