References

Akman, N., M. Ertugrul and A. Elicin, 1991. Turkiye de Hayvan Islahi Sorunlar ve Oneriler. Ikinci Hayvancilik Kongresi, Haziran, Ankara, pp: 17-19.

Avandano, L.R., I.V. Mondragon and G.P. Ochao, 1992. Genetic and environmental trends in milk production of first lactation Holstein cows in Mexico. J. Dairy Sci., 75: 150-169.

Aydin, R., H. Emsen, M. Yanar and N. Tuzemen, 1996. Genetic and Phenotypic Trends Milk Yield of Brown Swiss and Holstein Friesian Cattle Reared in the Research Farm of Agriculture Collage at Ataturk University. Hayvancilik Ulusal Kongresi, Eylul, Izmir, pp: 18-20.

Aydin, R., M. Yanar, N. Tuzemen and O. Akbulut, 1998. Genetic and phenotypic trends milk yield of Brown Swiss cattle reared in the research farm of agriculture collage at Ataturk University. Ataturk Univ. Zir. Fak. Derg., 29: 235-242.

Bakir, G. and A. Kaygisiz, 2003. Estimates of trend components and genetic correlation of milk yield traits in Brown Swiss cattle. Ataturk Univ. Zir. Fak. Derg., 34: 327-332.

Bakir, G. and A. Kaygisiz, 2004. Estimates of trends components of 305 days milk yield at Holstein cattle's. J. Biol. Sci., 4: 486-488.
CrossRef  |  Direct Link  |  

Barri, N., J. Aumann, H.U. Graser and G. Stolzenbach, 1995. Genetic evaluation of dairy bulls from different countries and genetic trend of milk yield in the 10th region in Chile. Avances Prod. Anim., 20: 67-73.

Catillo, G., O. Kadlecik and B. Moiloi, 1995. Genetic evaluation of selected Holstein population with an animal model for milk production. Zivocisna Vyroba, 40: 529-532.

Cilek, S. and M.E. Tekin, 2006. Calculation of adjustment factors for standardizing lactations to mature age and 305 days and estimation of heritability and repeatability of standardized milk yield of simmental cattle reared on Kazova State Farm. Turk. J. Vet. Anim. Sci., 30: 283-289.

Herbert, S. and D.S. Bhatnagar, 1988. Genetic and phenotypic trends of lactation traits in Karen Swiss cattle. Indian J. Anim. Sci., 58: 982-985.

Herbert, S. and D.S. Bhatnagar, 1988. Genetic trends of economic traits in dairy cattle: A review. Agric. Rev., 9: 200-216.

Kaygisiz, A., 1997. Estimates of trends components of milk yield traits of sari alaca cattle raised at Kazova (Tokat) state farm. Turk. J. Vet. Anim. Sci., 21: 457-461.
Direct Link  |  

Kaygisiz, A., 1997. Genetic analysis of Brown Swiss cattle herd of Van agriculture vocational high school. Tarim Bilimleri Derg., 3: 23-32.

Khalid, J., E.B. Masroor and A. Muhammad, 2007. Within-herd phenotypic and genetic trend lines for milk yield in Holstein-Friesian dairy cows. J. Cell. Anim. Biol., 1: 66-70.
Direct Link  |  

Kumlu, S., 1999. Turkiye damizlik siyah alaca surulerinin sut verimlerinde genetik ve fenotipik yonelimler. Akdeniz Univ. Zir. Fak. Derg., 12: 11-24.

Kunaka, K. and S.M. Makuza, 2005. Genetic and environmental trends for milk traits in the zimbabwean holstein-friesian population. Pak. J. Biol. Sci., 8: 1011-1015.
CrossRef  |  Direct Link  |  

Meyer, K., 1997. Dfreml version 3.0: User notes. http://agbu.une.edu.au/~kmeyer/dfreml.html,

Musani, S.K. and M. Mayer, 1997. Genetic and environmental trends in a large jersey herd in Central Rift Valley Kenya. Trop. Anim. Health Prod., 29: 108-116.
CrossRef  |  Direct Link  |  

Ozhan, M., N. Tuzemen and M. Yanar, 2007. Buyukbas Hayvan Yetistirme. Ataturk Universitesi, Ziraat Fak�ltesi, Erzurum.

Polastre, R., S.B. Pons and F.J. Baccari, 1990. Evaluation of selection programmers and environmental trends for some production and reproductive traits in a herd crossbred Holstein-Zebu cattle. Rev. Soc. Bras. Zootecnia, 19: 31-38.

SAS, 1990. SAS User`s Guide: Statistics. 4th Edn., SAS Institute Inc., Carry, NC.

Tsuruta, S., M. Suzuki and T. Mitsumoto, 1990. Estimation of genetic and environmental trends from the simultaneous genetic evaluation of bulls and cows using Hokkaido dairy herd milk records. Anim. Sci. Technol. (Japan), 61: 1051-1056.
Direct Link  |  

Vanli, Y., M.K. Ozsoy, S. Bas and A. Kaygisiz, 2005. Populasyon ve Biyometrik Genetik. Baski, Tekirdag,.

Zuc, B., P. Los, M. Lukaszewicz and Z. Sobek, 1994. Zwolinska-Bartczak I: Genetic trend of dairy traits in the Polish cattle. Polish Acad. Sci., 12: 87-98.
Direct Link  |