5Al-Murrani W K, Kassab A, Al-Sam H Z, etal. Heterophil/lymphocyte ratio as a selection criterion for heat stress in domestic fowl[J]. Poultry Science, 1997, 38:159-163.
6Campo J L, Davila S G. Estimation of heritability for heterophil : lymphocyte ratio in chickens by restricted maximum likelihood effects of age, sex and crossing[J]. Poultry Science, 2002, 81:1448-1453.
7Al-Murrani W K, Al-Rawi A J, Al-Hadithi M F, et al. Association between heterophil/lymphocyte ratio, a marker of 'resistance' to stress, and some production and fitness traits in chickens[J ]. British Poultry Science, 2006, 47 : 443-448.
8Cheema M A, Qureshi M A, Havenstein G B, et al. A Comparison of the Immune Response of 2003 Commercial Turkeys and a 1966 Randombred Strain When Fed Representative 2003 and 1966 Turkey Diets[J]. Poultry Science 2007, 86:241-248.
9Henk K, Parmentier, Rudy Baelmans, etal. Haemolytic complement activity, C3 and Factor B consumption in serum from chickens divergently selected for antibody responses to sheep red blood cells[J]. Veterinary Immunology and Immunopathology, 2002, 90 : 91-100.
10Boa-Amponsem K, Price S E H, Dunnington E A, et al. Effect of Route of Inoculation on Humoral Immune Response of White Leghorn Chickens Selected for High or Low Antibody Response to Sheep Red Blood Cells[J]. Poultry Science, 2001, 80 :1073-1078.
