EFFECTS OF DIETS CONTAINING LOW CALCIUM AND LOW AVAILABLE PHOSPHORUS LEVELS ON MALE BROILER CHICKENS PERFORMANCE

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GHOBADI Y.; HASANABADI A.; SHAHRAMI E.

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Journal: ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ) Year:2011 | Volume:20-4 | Issue:2 Page(s): 89-102

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Title

EFFECTS OF DIETS CONTAINING LOW CALCIUM AND LOW AVAILABLE PHOSPHORUS LEVELS ON MALE BROILER CHICKENS PERFORMANCE

Author(s)

GHOBADI Y. | HASANABADI A. | SHAHRAMI E. | Issue Writer Certificate

Keywords

CALCIUMQ2

PHOSPHORQ3

PERFORMANCEQ2

TIBIA ASHQ3

BROILER CHICKENQ2

Abstract

An experiment was conducted to evaluate effects of different dietary CALCIUM and available PHOSPHORus levels on growth PERFORMANCE, TIBIA ASH percentage, apparent retention of CALCIUM (Ca) and total PHOSPHORus (tP), and some blood parameters in male BROILER CHICKENs. Five hundred frothy male BROILER CHICKENs from Arbor Acres plus (AA+) strain were used in a completely randomized design with a 3´3 factorial arrangement of treatments and 4 replicates with 15 chickens in each floor pen. BROILER CHICKENs were fed three levels of dietary CALCIUM (NRC recommended level, 80% or 60% of NRC recommended level) and three levels of PHOSPHORus (NRC recommended level, 80% or 60% of NRC recommended level) during 7- 45 days of age. Apparent digestibility of Ca and P was measured on 45 days of age. Experimental diets were formulated to be isoenergetic and isonitrogenous with similar nutrients except than CALCIUM and total PHOSPHORus. The results showed that body weight gain, feed intake, blood serum P concentration, serum alkaline phosphatase level and apparent digestibility of Ca were increased and serum Ca level was depressed by increasing dietary level of Ca (P<0.05). Body weight gain, feed intake, blood serum P level and TIBIA ASH percentage were decreased and apparent digestibility of tP and level of serum alkaline phosphatase were increased by decreasing in level of dietary level of available P (P<0.05). Different dietary level of Ca and P had no significant effect on feed conversion ratio throughout the experiment. Interaction of CALCIUM and available PHOSPHORus levels had a significant effect on body weight gain, feed intake, apparent digestibility of Ca and P, Ca and P levels of serum, levels of serum alkaline phosphatase and TIBIA ASH percentage (P<0.05). To achieve the best PERFORMANCE results, ratio of Ca:P is recommended 2:1 according to the results obtained from the current experiment. The results of this experiment suggested that NRC (1994) Ca requirements for modern BROILER CHICKENs are excessive, but current NRC available P requirement is sufficient.

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APA: Copy

GHOBADI, Y., HASANABADI, A., & SHAHRAMI, E.. (2011). EFFECTS OF DIETS CONTAINING LOW CALCIUM AND LOW AVAILABLE PHOSPHORUS LEVELS ON MALE BROILER CHICKENS PERFORMANCE. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), 20-4(2), 89-102. SID. https://sid.ir/paper/147528/en

Vancouver: Copy

GHOBADI Y., HASANABADI A., SHAHRAMI E.. EFFECTS OF DIETS CONTAINING LOW CALCIUM AND LOW AVAILABLE PHOSPHORUS LEVELS ON MALE BROILER CHICKENS PERFORMANCE. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ)[Internet]. 2011;20-4(2):89-102. Available from: https://sid.ir/paper/147528/en

IEEE: Copy

Y. GHOBADI, A. HASANABADI, and E. SHAHRAMI, “EFFECTS OF DIETS CONTAINING LOW CALCIUM AND LOW AVAILABLE PHOSPHORUS LEVELS ON MALE BROILER CHICKENS PERFORMANCE,” ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), vol. 20-4, no. 2, pp. 89–102, 2011, [Online]. Available: https://sid.ir/paper/147528/en

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