1. Hassan, K.H. and W.F. Ali, 2018. Effect of force molting on egg production and egg quality traits of broiler breeder hens. Diyala J. Agric. Sci., 10: 210-216.
2. Hassan, K.H. and W.F. Ali, 2018. Effect of force molting on blood parameters of broiler breeder hens. J. Global Pharma Technol., 10: 71-74.
3. Hassan, K.H. and M.M. Ali, 2018. Effect of reciprocal cross between ross 308 and arbor acres broiler breeder lines on growth performance of progeny. Diyala J. Agric. Sci., 10: 194-202.
4. Hassan, K.H. and M.M. Ali, 2017. The performance of ross 308 and arbor acres broiler breeder and their commercial broiler in Iraq. J. Global Pharma Technol., 12: 376-379.
5. Hassan, K.H. and I.A. Hussain, 2017. Effect of diallel cross between varieties of Japanes quail on meat production traits. Diyala J. Agric. Sci., 9: 52-65.
6. Hassan, K.H. and I. Abood, 2017. Effect of diallel cross between three varieties of Japanese quail coturnix coturnix japonica in some blood traits. Diyala Agric. Sci. J., 9: 73-89.
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7. Hassan, K.H. and A.R. Abd-Alsattar, 2016. Effect of genotype and genotype-environment interaction on productive performance of Japanese quail varieties. Am. J. BioSci., 4: 49-52.
8. Hassan, K.H. and A.R.B. Alsattar, 2015. Effect of egg storage temperature and storage period pre-incubation on hatchability of eggs in three varieties of Japanese quail. Jurnal Anim. Vet. Sci., 3: 5-8.
9. Hamid, H.K., A.R. Abd-Alsattar, H.A.A. Yassen, H.T. Abed and D.A.A. Abdul Wahab, 2015. Effect of variety, age and sex in some productive traits in japanese quail in Iraq. Am. J. Bio Sci., 3: 55-58.
10. Hassan, K.H., A.A. Ahmad, T.A. Dawood and N.K. Fadil, 2013. Study of dress percentage and relative weights of carcass parts in various ages of japanese quail in Iraq. Diyala Agric. Sci. J., 5: 92-103.
11. Hassan, K.H., 2013. Evaluation of productive performance of japanese quail in summer of Iraq. Diyala Agric. Sci. J., 5: 69-80.
12. Hassan, K.H., 2009. Fertility of broiler males and females at various ages by using artificial insemination. Diyala Agric. Sci. J., 1: 25-30.
13. Hassan, K.H., 2009. Comparison of productive performance of fawbro, lohmann and hubbard broiler breeder flocks in Iraq. Iraqi J. Agric. Sci., 41: 58-64.
14. Hassan, K.H., M.S. Jassim and R.I. Khalil, 2008. Effect of force molting on qualitative semen traits and fertilizing ability of broiler breeder males. Mesopotamia J. Agric., 36: 96-100.
15. Hassan, K.H., 2008. The effect of various semen diluents on fertility of Lohmann breeder flock. J. Diyala, 27: 158-164.
16. Hassan, K.H., 2006. Study of some body measurements at various ages and its correlations with some productive traits in local barred chickens. J. Diyala, 24: 1-7.
17. Hassan, K.H., 2006. Study for cock semen traits after holding at various storage temperatures in broiler breeder flock. Al-Fattah J., 26: 21-32.
18. Hassan, K.H., 2006. Effect of insemination dosages and the time of artificial insemination on fertility of broiler breeder flock. J. Diyala, 22: 43-54.
19. Hassan, K.H., 2005. Study of some reproductive and productive traits at Puberty of local cocks. J. Diyala, 20: 183-188.
20. Al-Daraji, H.J., K.H. Hassan and K.A. Al-Soudi, 2005. Effect of selection for percentage of abnormal spermatozoa and number of spermatozoa on certain blood plasma components in indigenous barred chickens. Iraqi J. Agric. Sci., 36: 69-74.
21. Hassan, K.H., K.A. Al-Soudi and B.T.O. Al-Tikriti, 2003. The effect of mating systems on fertility and hatchability of indigenous barred chickens. Iraqi J. Agric. Sci., 34: 203-208.
22. Hassan, K.H., K.A. Al- Soudi, H.J. Al- Daraji and B.T.O. Al-Tikriti, 2003. The effect of genetic selection for some semen traits on histological traits of testes in local barred cocks. Iraqi J. Agric. Sci., 34: 231-236.
23. Hassan, K.H., B.T.O. Al-Tikriti, H.J. Al-Daraji and K.A. Al-Soudi, 2003. Correlation coefficients between semen traits and histological traits of testes in barred local cocks. Iraqi J. Agric. Sci., 34: 227-230.
24. Hassan, K.H. and H.J. Al-Daraji, 2003. Effect of various cryoprotectant agents on fertility of cock semen freezing in liquid nitrogen. Iraqi J. Agric. Sci., 34: 203-208.
25. Al-Daraji, H.J., B.T.O. Al-Tikriti, K.H. Hassan and K.A. Al-Soudi, 2003. Study of the histological traits of testes during different ages in local barred roosters. Iraqi J. Agric. Sci., 34: 143-150.
26. Al-Daraji, H.J. and K.H. Hassan, 2003. Effect of age and season on seminal plasma traits of indigenous cocks selected on the basis of spermatozoon concentration and abnormality. Iraqi J. Agric. Sci., 34: 209-218.
27. Hassan, K.H., K.A. Al-Soudi and B.T.O. Al-Tikriti, 2002. The effect of genetic selection for some semen traits of local barred cocks on reproductive and productive traits of offspring. Iraqi J. Agric. Sci., 33: 189-191.
28. Hassan, K.H., K.A. Al-Soudi and B.T.O. Al-Tikriti, 2002. Response to genetic selection for some semen traits of local barred cocks. Iraqi J. Agric. Sci., 33: 195-200.
29. Hassan, K.H., K.A. Al-Soudi and B.T.O. Al-Tikriti, 2002. Genetic parameters for semen traits of barred indigenous cocks. Iraqi J. Agric. Sci., 33: 185-188.
30. Al-Daraji, H.J., K.H. Hassan and F.F. Ibrahim, 2002. Influence of various cryophylactic agents on roosters semen. Iraqi J. Agric. Sci., 33: 213-216.
31. Al-Daraji, H.J., K.H. Hassan and F.F. Ibrahim, 2002. Comparison of the effect of various cryoprotective agents on biochemical traits of Iraqi roosters semens. Iraqi J. Agric. Sci., 33: 315-320.
32. Al-Daraji, H.J., D.H. Al-Hassani, K.A. Al-Soudi, K.H. Hassan and B.T.O. Al-Tikriti, 2002. Study of the seminal plasma traits and fertilizing ability of barred indigenous cocks selected on the basis of spermatozoon concentration and abnormality. Iraqi J. Agric. Sci., 33: 207-210.
33. Al-Daraji, H.J., B.T.O. Al-Tikriti, K.H. Hassan and A.A. Al-Rawi, 2002. New techniques for determination of avian spermatozoa abnormalities. Res. J. Bio. Tech., 4: 47-64.
34. Raad, S.M., S.M. Al-Mohammadi and K.H. Hassan, 1991. Effect of age and plumage colors on some productive traits in indigenous chickens. Iraqi J. Agric. Sci., 22: 117-125.
35. Raad, S.M., S.M. Al-Mohammadi and K.H. Hassan, 1991. Comparison of fertility between natural mating and artificial insemination using various dilution rates in indigenous chicken. Iraqi J. Agric. Sci., 22: 81-88.