References
- Brown , H. B. and Mc Cartney , M. G. 1983 . Effects of dietary restriction on reproductive performance of broiler breeder males . Poultry Sci. , 62 : 1886 – 1888 .
- Burrow , W. H. and Quinn , J. P. 1937 . The collection of spermatozoa from the domestic fowl and turkey . Poultry Sci. , 16 : 19 – 24 .
- Ekpenyong , I. J. 1983 . “ Semen examination ” . In Manual On Veterinary Clinical Laboratory Practice (a compilation) , Fac. of Vet. Med. Univ. of Nigeria, Nsukka .
- Etches , R. J. 1996 . Reproduction in Poultry , 241 – 250 . Wallingford, , UK : Cab International .
- Kammerer , D. M. , Moreng , R. E. , Muller , H. D. and Hobbs , H. W. 1972 . Turkey semen evaluation for fertility predication . Poultry Sci. , 51 : 77
- Lake , P. E. 1984 . “ The male in reproduction ” . In Physiology and Biochemistry of the Domestic fowl , Edited by: Freeman , B. M. Vol. 5 , 381 – 405 . London : Academic press .
- Omeje , S. S.I. and Marrie , B. N. 1990 . Evaluation of the semen characteristics of adult cocks of different genetic backgrounds . Theriogenology , 34 : 1111 – 1118 .
- Perry , E. J. 1973 . The Artifical insemination of Farm Animals, , 4th ed. , New Jersey : Rutgers University Press .
- SAS . 1979 . Statistical Analysis System , Gary, N.C : SAS Institute .
- Steel , R. G.D. and Torrie , J. H. 1980 . Principles and Procedures of Statistics , New York : McGraw-Hill CO. .