INVESTIGATION THE EFFECTS OF TIME OF CHANGING STARTER DIETS TO GROWER AND DIFFERENT PROTEIN LEVELS ON PERFORMANCE AND CARCASS QUALITY OF BROILER

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DAVOUDI S.; NOBAKHT A.; DAVOUDI J.

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Journal: JOURNAL OF VETERINARY MICROBIOLOGY Year:2011 | Volume:7 | Issue:21 (SUPPLEMENTARY) Page(s): 59-67

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Title

INVESTIGATION THE EFFECTS OF TIME OF CHANGING STARTER DIETS TO GROWER AND DIFFERENT PROTEIN LEVELS ON PERFORMANCE AND CARCASS QUALITY OF BROILER

Author(s)

DAVOUDI S. | NOBAKHT A. | DAVOUDI J. | Issue Writer Certificate

Keywords

BROILERQ2

CARCASS QUALITYQ2

PERFORMANCEQ2

PROTEINQ3

STARTER FEEDING PERIODQ2

Abstract

In order to study the effects of time of changing starter diets to grower and different PROTEIN levels on PERFORMANCE and CARCASS QUALITY of BROILER chickens, an experiment was conducted in a completely randomized design with10 treatment (9 experimental treatment and 1 control treatment) in 3 replicate (with 20 bird in each replicate) with 3 levels of crude PROTEIN (NRC recommendation, 2 percent lower and 2 perecent higher then NRC standard high of them) in 2 feeding period (0-17 and 17-42 days). The control group was at the base of NRC crude PROTEIN recommendation in 2 breeding period including starter (0-21) and grower (21-42) days. In this experiment 600 BROILER chicks of Ross-308 strain for 42 days was used. The results showed that the time of changing starter diets to grower from day 21 to 17 and the decreasing 2 percent of crude PROTEIN than NRC recommendation in starter and grower periods did not have any significant effect on PERFORMANCE of BROILER and the lowest feed cost for production per kilogram of live weight and the lowest percent of abdominal fat was observed in this experimental group and the highest percent of breast meat was observed in experimental groups with 2 percent of low crude PROTEIN in grower period. The overall results showed that decreasing of STARTER FEEDING PERIOD from 21 to 17 with decreasing 2 percent of diet crude PROTEIN than NRC crude PROTEIN recommendation do not have any adverse effects on PERFORMANCE of BROILERs, but also have positive economically effects and can improve CARCASS QUALITY and decrease environmental problems.

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APA: Copy

DAVOUDI, S., NOBAKHT, A., & DAVOUDI, J.. (2011). INVESTIGATION THE EFFECTS OF TIME OF CHANGING STARTER DIETS TO GROWER AND DIFFERENT PROTEIN LEVELS ON PERFORMANCE AND CARCASS QUALITY OF BROILER. JOURNAL OF VETERINARY MICROBIOLOGY, 7(21 (SUPPLEMENTARY)), 59-67. SID. https://sid.ir/paper/152123/en

Vancouver: Copy

DAVOUDI S., NOBAKHT A., DAVOUDI J.. INVESTIGATION THE EFFECTS OF TIME OF CHANGING STARTER DIETS TO GROWER AND DIFFERENT PROTEIN LEVELS ON PERFORMANCE AND CARCASS QUALITY OF BROILER. JOURNAL OF VETERINARY MICROBIOLOGY[Internet]. 2011;7(21 (SUPPLEMENTARY)):59-67. Available from: https://sid.ir/paper/152123/en

IEEE: Copy

S. DAVOUDI, A. NOBAKHT, and J. DAVOUDI, “INVESTIGATION THE EFFECTS OF TIME OF CHANGING STARTER DIETS TO GROWER AND DIFFERENT PROTEIN LEVELS ON PERFORMANCE AND CARCASS QUALITY OF BROILER,” JOURNAL OF VETERINARY MICROBIOLOGY, vol. 7, no. 21 (SUPPLEMENTARY), pp. 59–67, 2011, [Online]. Available: https://sid.ir/paper/152123/en

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