Bibliografía citada y consultada

1. Ali T, and Schaeffer L. Accounting for (Co) variances among test day milk yields in dairy cows. Can J Anim 1987; 67 (3): 637 – 642.
2. Boldman K, Kriese L, Van Vleck L, Van Tassell C, Kachaman S. A manual for use of MTDFREML a set of programs to obtain estimates of variance and covariance. U.S. Department of Agriculture. Agricultural Research Service, 1995; pp. 120.
3. Danell B. Genetic aspects of different parts of lactation. Proc. 4th World Congress. Genet. Appl. Livest. Prod., Edinburgh, Scotland XIII: 1990; 114-117.
4. Firat M, Theobald CM, Thompson R. Univariate analysis of test day milk yields of British Holstein–Friesian Heifers using gibss sampling. Acta Agric.Scand 1997; 47(4): 213-220.    
5. Hill JP. The relationship between β-lactoglobulin phenotypes and milk
6. composition in New Zealand Dairy Cattle. Journal of Dairy Science 1993;  76: 281-286.
7. Hurtado-Lugo N, Cerón-Muñoz M, Gutiérrez-Valencia A.  Estimación de parámetros genéticos para la producción de leche en el día del control en búfalos de la Costa Atlántica Colombiana. Rev Livestock Research for Rural Development 2006. https://www.cipav.org.co/lrrd/lrrd18/3/hurt18039.htm
8. Jamrozik J and Schaeffer R. Estimates of genetic parameters for a test day model with random regressions for yields traits of first lactation Holsteins. J Dairy Sci 1997; 80:762-770.
9. Jensen J. Genetic Evaluation of Dairy cattle using test-day models. J Dairy Sci 2001; 84: 2803-2812. 
10. Macciotta N, Vicario D, Pulina G, Cappio-Borlino A. Test-day and lactation yield predictions in Italian Simmental cows by ARMA methods. J Dairy Sci. 2002; 85: 3107- 3114.  
11. Schutz MM Hansen IB, Steuernagel GR. Variation of Milk, Fat, Protein, and Somatic Cells for Dairy Cattle. J Dairy Sci 1990; 73:484-493.
12. Spike PW, Freeman AE. Environmental influences on monthly variation in milk constituents. J Dairy Sci 1967; 50:1897-1904.
13. Swalve HH. Genetic relationships between test day milk production and persistency in dairy cattle performance records. World Cong. Gene. Applied to Lives. Product 1994;18:467- 475. 
14. Tsiaras  AM, Bargouli GG, Banos G and Boscos CM, Effect of kappa-casein and beta-lactoglobulin loci on milk production traits and reproductive performance of Holstein cows. Journal of Dairy Science 2005;  88: 327–334
15. Vargas LD, Gana V y Escudero I. 2004. Polimorfismo del gen PIT-1 en vacas lecheras de chile central. Arch Zootec 2004; 53:217-220.
16. Wilmink JBM. Comparison of different methods of predicting 305 – day milk yield using means calculated from within herd lactation curves. Livest Prod Sci 1987; 17:1–17.