Aghapour F. 2006. Analysis of productive and
reproductive traits in progenies of replacement cross
between Mazandarani and Sarabi with pure Holstein
breed. M. Sc. Thesis. Mazandaran University of
Agricultural Sciences and Natural Resources. 64p
(In Farsi).
Alvandi P. 2000. Estimation of economic weights of
milk, fat percentage and protein percentage in
Iranian dairy cattle. M. Sc. Thesis. Mazandaran
University of Agricultural Sciences and Natural Resources. (In Farsi).
Ardalan Far M., Hassani S. Zerehdaran
, S. and
Sayadnezhad M.B.2010.Determination of optimum
Holstein inheritance in crossbreds based on milk and
fat yield. The 4
th Congress on Animal Science,
College of Agriculture & Natural Resources,
University of Tehran, Tehran, Iran. 2956-2959. (In
Farsi).
Baker R. J. 1974. Selection indexes without
economic weights for animal breeding. Canadian
Journal of Animal Science, 54 (1): 1-8.
Cunningham E. P. and Syrstad, O. 1987.
Crossbreeding Bos Indicus and Bos Taurus for milk
production in the tropics. Animal genetic resources:
FAO Animal Production and Health. Paper 68. FAO
Rome.
Ehsani Nia J. 2004. Study of performance of
Holstein and Brown Swiss crossbreds. M. Sc.
Thesis. Mazandaran University of Agricultural
Sciences and Natural Resources. (In Farsi).
Ghorbani A. 2003. Estimation of genetic parameters
of productive and reproductive traits and estimation
of individual and maternal heterosis in Holstein
crosses with Native cattle. M. Sc. Thesis. Tehran
University. (In Farsi).
Hassani S. and Govindaiah M.G. 2007.Additive and
heterotic effects on production and reproduction in
Friesian×Sahiwal crossbreds and optimum Friesian
contribution.EAAP. 58
th Annual Metting, Dublin,
Irland.
Hazel L. N. 1943. The genetic analysis for
constructing selection indexes. Genetics, 28: 476-
490.
Kargo M. Madsen P. and Norberg E. 2012. Short
communication
: Is crossbreeding only beneficial in
herds with low management level? Journal of Dairy
Science, 95 (2):925-928.
Lal Chand 1988. Performance of Crossbred Cattle
based on multiple traits. Indian. Journal of Dairy Science, 41 (2): 208-209.
Lal chand 1990. Use of discriminate function to
study the relationship among different genetic
groups based on multiple traits in dairy animals.
Indian. Journal of Dairy Science, 43 (2): 14-120.
McDowell R. E. 1985. Crossbreeding in tropical
areas with emphasis on milk, health, and fitness.
Journal of Dairy Science, 68: 2418-2435.
Meyer K. 1991. DFREML-a set of programs to
estimate variance components by restricted
maximum likelihood using a derivative-free
algorithm. User notes, Version 2.0. Animal Genetics
and Breeding Unit, University of New England,
Armidale, Mimeo.
Narain P. 1990. Statistical Genetics. Wiley Eastern
Limited, New Dehli. 599 pp.
Rokuee M. 2000. Individual and maternal heterosis
and estimation of genetic parameters of productive
and reproductive traits of Esfahan crossbred cattle.
M. Sc. Thesis Ttarbiat Modarress University, 117p.
(In Farsi).
Sachdeva J. K. and Gurnani M. 1989.Evaluation of
Friesian-crossbred cattle genetic groups on the basis
of total score. Indian Journal of Animal Science, 59
(11): 1446-1447.
Safdari Shahroodi M. Pakdel A. and Miraei Ashtiani
S. R. 2010. Estimation of genetic parameters,
proposal of an udder health index and a comparison
of different selection strategies to include this trait in
Iranian Holstein cows breeding programs.Iranian
Journal of Animal Science, 41 (4): 381-390.
SAS.1996. SAS User's Guide Rev. 04, SAS Institue,
Cary, NC.
Sorensen, M. K., Norberg, E.,Pedersen, J. and
Cheristesen, L. G. 2008. Invited Review::
Crossbreeding in Dairy Cattle: A Danish
Perspective. Journal of Dairy Science, 91 (11):
4116- 4128
)