Journal of Animal and Veterinary Advances

Year: 2010
Volume: 9
Issue: 3
Page No. 561 - 565

Phenotypic Trend of Lactation Milk of Iranian Holsteins in Yasuj

Authors : H. Roshanfekr, M. Mamouei, K. Mohammadi and F. Yarinejad

References

Congleton, Jr. W.R. and R.W. Everett, 1980. Application of the incomplete gamma function to predict cumulative milk production. J. Dairy Sci., 63: 109-119.
Direct Link  |  

Dedkova, L. and E. Nemcova, 2003. Factors affecting the shape of lactation curves of Holstein cows in the Czech Republic. Czech J. Anim. Sci., 48: 395-402.
Direct Link  |  

Druet, T., F. Jaffrezic, D. Boichard and V. Ducrocq, 2003. Modeling lactation curves and estimation of genetic parameters for first lactation test day records of French Holstein cows. J. Dairy Sci., 86: 2480-2490.

Ferris, T.A., I.L. Mao and C.R. Anderson, 1985. Selecting for lactation curve and milk yield in dairy cattle. J. Dairy Sci., 68: 1438-1448.
Direct Link  |  

Grossman, M., A.L. Kuck and H.W. Norton, 1986. Lactation curves of purebred and crossbred dairy cattle. J. Dairy Sci., 69: 195-203.
Direct Link  |  

Jamrozik, J. and L.R. Schaeffer, 1997. Estimates of genetic parameters for a test day model with random regressions for yield traits of first lactation Holsteins. J. Dairy Sci., 80: 762-770.
Direct Link  |  

Jamrozik, J., L.R. Schaeffer and J.C.M. Dekkers, 1997. Genetic evaluation of dairy cattle using test day yields and random regression model. J. Dairy Sci., 80: 1217-1226.
Direct Link  |  

Kaya, U., Y. Akbas and C. Uzmay, 2003. Estimation of breeding values for dairy cattle usingtest-day milk yields. Turk. J. Vet. Anim. Sci., 27: 459-464.
Direct Link  |  

Ojango, J.M.K. and G.E. Pollot, 2001. Genetics of milk yield and fertility traits in Holstein-friesian cattle on large-scale Kenyan farms. J. Dairy Sci., 79: 1742-1750.
Direct Link  |  

Rekaya, R., M.J. Carabano and M.A. Toro, 2000. Bayesian analysis of lactation curves of Holstein-friesian cattle using a nonlinear model. J. Dairy Sci., 83: 2691-2701.

SAS Institute Inc., 2005. SAS/STAT User`s Guide. 4th Edn., SAS Inst. Inc., Cary, NC.

Schaeffer, L., J. Jamrozik, G.J. Kistemaker and B.J. van Doormaal, 2000. Experience with a test day model. J. Dairy Sci., 83: 1135-1144.

Strabel, T. and T. Szwaczkowski, 2001. The use of test day models with small size of contemporary groups. J. Anim. Breed. Genet., 116: 379-386.
Direct Link  |  

Tekerli, M., Z. Akinci, I. Dogan and A. Akcan, 2000. Factors affection the shape of lactation curves of holstein cows from the Balikesir province of Turkey. J. Dairy Sci., 83: 1381-1386.
Direct Link  |  

Visscher, P.M. and R. Thompson, 1992. Univariate and multivariate parameters estimates for milk production traits using an animal model. I. Description and results of REML analyses. Genet. Sel. Evol., 24: 415-430.
Direct Link  |  

Visscher, P.M., R. Thompson and W.G. Hill, 1991. Estimation of genetic and environmental variances for fat yield in individual herds and an investigation into heterogeneity of variance between herds. Livest. Prod. Sci., 28: 273-290.
CrossRef  |  

Wilmink, J.B.M., 1987. Adjustment of test-day milk, fat and protein yield for age, season and stage of lactation. Livestock Prod. Sci., 16: 335-348.
CrossRef  |  

Design and power by Medwell Web Development Team. © Medwell Publishing 2024 All Rights Reserved