---

All the praises are due to the Almighty Allah with His compassion and mercilessness for granting the author capable to complete this thesis successfully for the degree of Masters of Science (MS) in Poultry Science.The author would like to express his deepest sense of appreciation and indebtedness regards to his beloved teacher and research supervisor, Professor Dr. Md. Elias Hossain, Department of Poultry Science, Bangladesh Agricultural University (BAU), Mymensingh, for his cordial and scholastic guidance, continuous encouragement, valuable suggestions and all round help throughout the course of the research work and finalizing this manuscript. This will be helpful for viewers who are involved in biological research and development.

---

Al-Amin Hossain. Masters in Poultry Science Bangladesh Agricultural University, Mymensingh,Bangladesh.B.Sc in Animal Husbandry Bangladesh Agricultural University, Mymensingh,Bangladesh.

---