2Saeki. y. Inoue. 1955. Change in prolactin content of fowl pituitary during broody period and some experiments on the induction of broodiness. Poultry Sci, 34:909-919.
3Lippincott, W. A. and L. E. Card. 1934. Poultry Production. Lea and Febiger, Philadelphia, PA.
4EL Halawani M E, Rozeuboim I. 1993. The ontogeny and control of incubation behavior in turkeys. Poultry Science, 72:906-911.
5Hays, F.A. 1933. Characteristics of non - broody and intense broody lines of Rhode Island Reds. Massachusetts Agr. Exp. Sta. Bull. 301.
6Hurt, F.B. 1949. Genetics of the Fowl. McGraw - Hill Book Company, Inc, New York, NY.
7Punnett, R.C. and P. G. Bailey. 1920. Genetic studies in poultry. Ⅱ. Inheritance of egg - color and broodiness. J. Genetics, 10:277 - 292.
8Warren, D.C. 1930. Crossbred poultry. Kansas Agr. Exp. Sta. Bull. 252. Warren, D.C. 1942. The crossbreeding of poultry. Kansas Agr. Exp. Sta. Teeh. Bull. 52. Watahiki, M.,M. Tanaka, N, Masuda, K. Sugisaki,, M. Yamamoto,M. Y. amakawa, J. NagaandK. Nakachima. 1989. Primary structure of chicken prolaetin deduced from eDNA sequence. J. Biol. Chem,264:5535-5539.
9Kaufrran, L. 1946 - 1947. Etudes genetiques les poules. I. Heredite de linstinet de couver. Mere. Inst. nat. polon, econ. rurale Py awy, 18, E. Mere, 1:1-12.
10Saeki, Y. Inoue. 1979. Body growth, egg production, broodiness, age at fist age and egg size in red jungle fowls, and attempt at their genetic analyses by the reciprocal; crossing with White Leghorns. Japan. Poultry. Sci, 16:121-125.
