Determination of some environmental factors related to sex ratio of brown swiss calves

Journal of Animal and Plant Sciences

Volumn 20, Issue 3, 2010, Pages 164-169

  Yilmaz, I ^a   Eyduran, E ^a   Kaygisiz, A ^b  

^a IGDIR UNIVERSITY   (Turkey)

^b KAHRAMANMARAS SUTCU IMAM UNIVERSITY   (Turkey)

Author keywords

Dairy cattle; Relative female ratio (RFR); Secondary sex ratio

Indexed keywords

ANIMALIA; BOS;

EID: 77957329354     PISSN: 10187081     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (13)

1. Biradar, U. S. (1996). Sex ratio in a closed herd of Jersey x Sindhi crossbred cattle. J. Dairying, Foods and Home Sci. 15 (1): 69-70.
2. Biradar, U. S., and M. D. Suranagi (2003). Effect of seasons and periods of birth on sex ratio in Deoni cattle. Karnataka J. Agr. Sci.16 (2): 335-336.
3. Demiral, O., M. Ün, M. Abay, and T. Bekyürek (2007). The effect of artificial insemination timing on the sex ratio of offspring and fertility in dairy cows. Turk. J.Vet.Anim. Sci. 31 (1): 21-24.
4. Eyduran, E. (2008).Usage of penalized maximum likelihood estimation method in medical research: An alternative to maximum likelihood estimation method. J. Res. Med.Sci.13(6):325-330.
5. Farahvash, T. S., G. Adabi, A. Ahmadzadeh, and J. Davoodi (2008). Some factors affecting sex ratio of dairy herds in East Azarbijan, Iran. Asian J. Anim. Vet. Advances. 3 (5): 357-362.
6. Kaygisiz, A., Y. Vanli, and L. Cakmak (2003). Estimates of genetic and phenotypic parameters of sex ratio in Holsytein Cattle. GAP III.Agricultural Congress, Şanliurfa, Türkiye.
7. Kaygisiz, A., and Y. Vanli (2008). Factors influencing sex ratio in Brown Swiss Cattle. Indian J. Anim. Sci. 78(6): 656-657.
8. Lari, M. A. (2006). Sex ratio at birth in dairy herds in Fars province, southern Iran. Trop. Anim. Health Prod.38(7-8): 593-595.
9. MINITAB15.Trial Version www.minitab.com.
10. Mora, O., M.D.M. Delgado, and V. Penteriani (2010). Secondary sex ratio in eurasian eagle-owls: Early breeding females produce more daughters. J. Raptor. Res. 44(1): 62-65.
11. Mukherjee, K. S. S. Tomar, and R. B. Singh (2000). Variability in sex ratio in Karan Swiss cattle. Indian J. Anim. Res. 34 (1): 24-28.
12. Roche, J. R., J.M. Lee, and D. P. Berry (2006). Climatic factors and secondary sex ratio in dairy cows. J. Dairy Sci.89:3221-3227.
13. Singh, B., D. Kumar, H. Singh, R. B. Prasad, and J. B. Singh (2004). Genetic studies on sex ratio in dairy cattle. Indian J. Anim. Sci. 74 (9):986-988.