References

Bakir, G., A. Kaygisiz and S.M. Yener, 1994. Reproduction characteristics of Holstein cows raised at Ankara sugar factory farm. Turk. J. Vet. Anim. Sci., 18: 107-111.

Bearden, H.J., J.W. Fuquay and S.T. Willard, 2004. Applied Animal Reproduction. 6th Edn., Reproductive Management, Pearson Education, Upper Saddle River, New Jersey, pp: 291-317.

Cilek, S. and M.E. Tekin, 2005. The environmental factors effecting milk yield and fertility traits of simmental cattle raised at kazova state farm and phenotypic correlations between these traits. Turk. J. Vet. Anim. Sci., 29: 987-993.
Direct Link  |  

Cilek, S. and M.E. Tekin, 2007. Environmental factors affecting fertility in cows. Indian J. Anim. Sci., 77: 236-238.

Cilek, S., 2009. Reproductive traits of Holstein cows raised at Polatli state farm in Turkey. J. Anim. Vet. Adv., 8: 1-5.

Duncan, D.B., 1955. Multiple range and multiple F tests. Biometrics, 11: 1-42.
CrossRef  |  Direct Link  |  

Erdem, H., S. Atasever and E. Kul, 2007. Milk yield and fertility traits of holstein cows raised at gokhoyuk state farm fertility traits. J. Fac. Agric., 22: 47-54.

Galic, A., H. Sekeroglu and S. Kumlu, 2005. First calving age in Holstein cattle raised in Izmir province and its effect on milk yield. J. Fac. Agric., 18: 87-93.

Inal, S. and O. Alpan, 1989. Konya merkez hayvancilik enstitusundeki esmer irk sigirlarin dol verimi performansi. J. Lalahan Livest. Central Res. Inst., 29: 1-20.

Inci, S., A. Kaygisiz, E. Efe and S. Bas, 2007. Milk yield and reproductive traits in brown swiss cattle raised at altinova state farm. Ankara Univ. Tarim Bilimleri Derg., 13: 203-212.

Koc, A., M. Ilaslan and O. Karaca, 2004. Genetic and phenotypic parameter estimation of reproductive and milk production traits of holstein-friesian cattle raised at Dalaman State farm: Reproduction. J. Adnan Menderes Agric. Fac., 1: 43-49.

Kopuzlu, S., H. Emsen, A. Ozluturk and A. Kucukozdemir, 2008. Reproductive traits of Brown Swiss and Holstein cattle under conditions of east anatolia research institue. J. Lalahan Livest. Res. Inst., 48: 13-24.

Ogan, M., 2000. Esmer irki ineklerin dol verimi ozellikleri ve bu ozelliklere etki eden bazi cevre faktorleri. J. Fac. Vet. Med. Uludag Univ., 19: 7-18.

Ozkan, M. and H. Gunes, 2007. Researches on the reproductive characteristics of Simmental cattle in commercial farms in Kayseri. J. Fac. Vet. Med. Istanbul Univ., 33: 1-16.

Pelister, B., A. Altinel and H. Gunes, 2000. Environmental effects on reproductive efficiencies and milk productions of Holstein Friesian cattle of different origin in commercial farm conditions. J. Fac. Vet. Med. Istanbul Univ., 26: 543-559.

Phillips, C.J.C., 2006. Principles of Cattle Production. CABI Publishing, UK., pp: 122-141.

Sehar, O. and C. Ozbeyaz, 2005. Some production traits of Holstein cows at a state farm in middle Anatolian conditions. J. Lalahan Livestock Central Res. Inst., 45: 9-19.

Statistical Analysis System (SAS), 1998. SAS Users Guide Com. Statistical Analysis Institute, Cary, NC., pp: 256.

Stevenson, J.S., 1989. Relationship among climatological variables and hourly distribution of calving in Holsteins fed during the late afternoon. J. Dairy Sci., 72: 2712-2717.

Topaloglu, N. and H. Gunes, 2005. Studies on reproductive traits of Holstein-Friesian cattle in England. J. Fac. Vet. Med. Istanbul Univ., 31: 99-118.

Tuna, Y.T., E.K. Gurcan and T. Savas, 2007. Genetic and phenotypic parameter estimation of reproductive and milk production traits of Holstein-Friesian cattle raised at Dalaman State Farm: Reproduction. J. Tekirdag Agric. Fac., 4: 347-357.