Investigating the economic efficiency of different energy and protein levels on the performance of native turkeys; hatch - 8 weeks of ages

Document Type : Scientific-Extensional Article

Authors

1 M.Sc. of Animal Science, East Azerbaijan Agricultural and Natural Resource Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), East Azerbaijan, Tabriz, Iran

2 Assistant Professor, Department of Animal and Poultry Nutrition, Animal Science Research Institute, Karaj, Iran

Abstract

The purpose of this experiment was to compare the economic efficiency of different energy levels and dietary protein on the performance of Azerbaijan native turkeys. 378 turkeys in the form of ­9 treatment and 3 repetitions with 14 pieces in each experimental unit, by the factorial method in a completely randomized design including­ 3 different levels of metabolizable energy and crude protein from the values ​​suggested in the table­ (NRC,­ 1994) In the experimental period 56­ days during­ 2 age stage 0 ­to 8 weeks was performed.­ During the experimental diets,­ they were fed in flour and freely. During the experiment,­ feed intake, weight changes,­ conversion factor, energy and protein efficiency,­ feed cost per kilogram of weight gain were measured and the economic performance of each group was calculated. The results of this experiment showed that the group fed a diet containing 10% lower metabolizable energy and crude protein equal to the recommended values ​​in NRC tables, with lower feed intake, better conversion ratio, higher energy efficiency, lower feed cost For increasing each kilogram of weight and higher economic efficiency, 7282 Rials for each piece of turkey chicken aged 0 to 4 weeks increases the profit. Also, the group fed a diet containing 10% of metabolizable energy and lower crude protein with the recommended values ​​in NRC tables, with less feed intake, more weight gain, more energy efficiency, lower feed cost per kilogram of weight and yield. Higher economy, 14496 Rials for each piece of turkey chicken aged 5 to 8 weeks has an increase in profit. Accordingly, it was found that diets containing 10% lower metabolizable energy and crude protein equal to the recommended values ​​in the NRC tables for turkeys at 0 to 4 weeks of age and diets containing 10% of metabolizable energy and crude protein Lower with the recommended values ​​in NRC tables for turkey chicks 5 to 8 weeks old compared to the recommended values ​​in NRC tables, with 21778 Rials profit in two age stages (0 to 8) weeks, has more economic returns.

Keywords

References

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