Estimation of Zn requirement in wheat-soy diet through growth performance responses broiler chickens

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Zarghi Heydar; GOLIAN ABOLGHASEM; Hassananadi Ahmad; Khaligh Farhad

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Journal: Journal of Animal Production Year:2019 | Volume:20 | Issue:4 Page(s): 577-587

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Title

Estimation of Zn requirement in wheat-soy diet through growth performance responses broiler chickens

Author(s)

Zarghi Heydar | GOLIAN ABOLGHASEM | Hassananadi Ahmad | Khaligh Farhad | Issue Writer Certificate

Keywords

Broiler chickensQ2

performanceQ2

regression modelsQ2

wheatQ2

zincQ1

Abstract

The present study was conducted to determine the zinc (Zn) requirement in Broiler chickens fed wheat-soy based diet. Two hundred fifty day-old broiler chicks (Ross 308), were randomly assigned to a completely randomised design (CRD) experiment with 5 treatments, and 5 replicates of 10b each. The experimental treatments included five dietary Zn levels (30, 70, 110, 150, and 190 mg/kg) provided by the addition of reagent grade “ ZnSO4. 7H2O” . The experiment lasted from 1-42d of age. Increasing dietary Zn level to 70mg/kg significantly increased 10, 24 and 42d live body weight (LBW), feed intake (FI) and weight gain (WG) during 1-10, 25-42 and 1-42d of age and feed efficiency (FE) during 1-10d of age. The linear broken-line (LBL), quadratic-broken line (QBL) and the quadratic polynomial (QP) regression models were used to estimate the Zn requirement. The Zn requirement for optimal final LBW and FI, WG, and FE during 1-42d of ages by LBL model were 68. 77, 83. 12, 66. 99 and 62. 75 mg/kg of diet, and by QBL model 70. 00, 79. 93, 69. 63 and 58. 01 mg/kg of diet, respectively. In conclusion, Zn requirement varied between 58-83 mg/kg, which is higher than NRC and is lower than strain recommendation in the Broiler chickens fed wheat-based diet.

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APA: Copy

Zarghi, Heydar, GOLIAN, ABOLGHASEM, Hassananadi, Ahmad, & Khaligh, Farhad. (2019). Estimation of Zn requirement in wheat-soy diet through growth performance responses broiler chickens. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), 20(4 ), 577-587. SID. https://sid.ir/paper/208948/en

Vancouver: Copy

Zarghi Heydar, GOLIAN ABOLGHASEM, Hassananadi Ahmad, Khaligh Farhad. Estimation of Zn requirement in wheat-soy diet through growth performance responses broiler chickens. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE)[Internet]. 2019;20(4 ):577-587. Available from: https://sid.ir/paper/208948/en

IEEE: Copy

Heydar Zarghi, ABOLGHASEM GOLIAN, Ahmad Hassananadi, and Farhad Khaligh, “Estimation of Zn requirement in wheat-soy diet through growth performance responses broiler chickens,” JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), vol. 20, no. 4 , pp. 577–587, 2019, [Online]. Available: https://sid.ir/paper/208948/en

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