Study of possible reduction or withdrawal of vitamin premix during finisher period in floor and battery cage broiler raising systems
Majid Alahyari Shahrasb1, Hossein Moravej1*, Mahmood Shivazad1 and Abbas Gerami2
1Department of Animal Science, Faculty of Agriculture and Natural Resources, The University of Tehran, Karaj, Iran.
2Department of Science, Faculty of Mathematic and Statistic and Computer Science, University of Tehran, Iran/ Karaj.
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