EFFICACY OF PHASE-FEEDING IN SUPPORTING GROWTH PERFORMANCE AND CARCASS YIELD OF BROILER CHICKS

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MOHSENI MAHANI M.; SHARIATMADARI F.; KARIMI TORSHIZI A.

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Journal: Animal Science Journal Year:2011 | Volume:24 | Issue:3 (92) Page(s): 1-10

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Title

EFFICACY OF PHASE-FEEDING IN SUPPORTING GROWTH PERFORMANCE AND CARCASS YIELD OF BROILER CHICKS

Author(s)

MOHSENI MAHANI M. | SHARIATMADARI F. | KARIMI TORSHIZI A. | Issue Writer Certificate

Keywords

PHASE-FEEDINGQ2

BROILERQ3

FEED EFFICIENCYQ1

GROWTH PERFORMANCEQ2

CRUDE PROTEINQ2

Abstract

In order to assess effects of PHASE-FEEDING on GROWTH PERFORMANCE of BROILER chicks, an experiment was conducted for 45 days period. This study was conducted in 3×2 factorial arrangement with 5 replications each with 8 BROILER chicks (Ross 308) in a completely randomize design. First factor in this study was diet changing phase (including 3, 5 and 9 phase), for each group a CP decrease in different phases occurred that number of changing phases is as below. First group three phase (once per 15 days), second group five phase (once per 9 days) and last group nine phase (once per 5 days). Second factor was level of diet CP (including low density (L) and high density (H)), in high and low density group, level of diets CP at the beginning of growth period was 21% and 20% that decrease gradually to 17% and 18% respectively at the end of period. Daily weight gain and carcass characteristics (Eviscerated carcass, % of live weight, percentage of different parts of carcass and abdominal fat) was not affected with different factors. Feed intake, FEED EFFICIENCY, feed cost per unit weight gain and protein efficiency were optimized with increase in phase of diet changing (P<0.01). Diet protein density dose not affected on feed intake, protein intake and protein efficiency. FEED EFFICIENCY and feed cost per unit weight gain were optimized with decrease of diet CRUDE PROTEIN density (P<0.01).

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APA: Copy

MOHSENI MAHANI, M., SHARIATMADARI, F., & KARIMI TORSHIZI, A.. (2011). EFFICACY OF PHASE-FEEDING IN SUPPORTING GROWTH PERFORMANCE AND CARCASS YIELD OF BROILER CHICKS. ANIMAL SCIENCES JOURNAL (PAJOUHESH & SAZANDEGI), 24(3 (92)), 1-10. SID. https://sid.ir/paper/215012/en

Vancouver: Copy

MOHSENI MAHANI M., SHARIATMADARI F., KARIMI TORSHIZI A.. EFFICACY OF PHASE-FEEDING IN SUPPORTING GROWTH PERFORMANCE AND CARCASS YIELD OF BROILER CHICKS. ANIMAL SCIENCES JOURNAL (PAJOUHESH & SAZANDEGI)[Internet]. 2011;24(3 (92)):1-10. Available from: https://sid.ir/paper/215012/en

IEEE: Copy

M. MOHSENI MAHANI, F. SHARIATMADARI, and A. KARIMI TORSHIZI, “EFFICACY OF PHASE-FEEDING IN SUPPORTING GROWTH PERFORMANCE AND CARCASS YIELD OF BROILER CHICKS,” ANIMAL SCIENCES JOURNAL (PAJOUHESH & SAZANDEGI), vol. 24, no. 3 (92), pp. 1–10, 2011, [Online]. Available: https://sid.ir/paper/215012/en

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