Ahmad, M. 1993. Studies on the persistency of lactation in Sahiwal cows. M. Sc. Thesis, Univ. Agric. Faisalabad.
Ahmad, M., A. Bukhari, F. Awan and M. N. Saeed. 2000. Punjab Livestock Census. Vol. 1. Livestock and Dairy Development Department, Punjab, Lahore.
Ahmad, Z. 1972. Genetic analysis of a purebred herd of Sahiwal cattle. Ph.D Thesis, West Pakistan Agric. Univ. Lyallpur (Faisalabad).
Alexander, G. I., G. K. Reason, G. M. R. Gale and C. H. Clark. 1984. The performance of Australian Friesian Sahiwal cattle. World Anim. Rev. 52:13-16.
Anonymous 1995. Production of Breeding Bulls in Punjab (Pakistan). Directorate of Livestock Farms. Livestock and Dairy Development Department of Punjab, Lahore.
Anonymous. 2000. Annual Report (1999-2000). Directorate of Livestock Farms. Livestock and Dairy Development Department of Punjab, Lahore.
Anonymous 2005. Taurindicus dairy cattle. http://www.ambreed.co.nz/index.html [accessed June, 2005].
Bajwa, I. R., M. S. Khan, M. A. Khan and K. Z. Gondal. 2004. Environmental factors affecting milk yield and lactation length in Sahiwal cattle. Pakistan Vet. J. 24(1):23-27.
Bhuiyan, A. K. F. H., S. S. Islam and M. S. Hussen. 1998. Effect of Sahiwalization on the performance of graded cattle at a rural area in Bangladesh. Proc. 6th World Cong. Genet. Appl. Livest. Prod. Armidale, Australia (Jan. 11-16, 1998). 25:201-204.
Dahlin, A., U. N. Khan, A. H. Zafar, M. Saleem, M. A. Chaudhry and J. Philipsson. 1998. Genetic and environmental causes of variation in milk production traits of Sahiwal cattle in Pakistan. Anim. Sci. 66:307-318.
Devore, J. and R. Peck. 1986. Statistics - The exploration and Analysis of Data. West Publishing Co. St. Paul, MN (USA).
Ducrocq, V. and P. Humblot. 1998. Is selection on semen characteristics needed? Proc. Int. Workshop on Genetic Improvement of Functional Traits in cattle-Fertility and Reproduction, GRUB, Germany. Interbull Bull. 18:68-73.
Gandhi, R. S., M. Gurnani and A. Singh. 1995. Influence of non genetic factors on some of the economic traits of Sahiwal cattle. Indian J. Dairy Sci. 48:605-606.
GOP (Government of Pakistan). 1996. Livestock Census. All Pakistan Report. Agricultural Census Organization, Statistics Division, Lahore.
Hayman, R. H. 1974. The development of Australian Milking Zebu. World Anim. Rev. 11:31-35.
Hill, W. G. and K. Meyer. 1988. Developments in methods for breeding values and parameter estimation in livestock. In Anim. Breed. Opportunities. BSAP Occasional Publication 12:81-98.
Javed, K. 1999. Genetic and phenotypic aspects of some performance traits in a purebred herd of Sahiwal cattle in Pakistan. Ph.D. Thesis, Dept. Animal Breeding and Genetics, Univ. Agric. Faisalabad.
Khan, M. S. 1997. Lactation curve of Sahiwal cattle. Pakistan Vet. J. 17(3):107-110.
Khan, M. S. 1998a. Breeding value estimation of dairy bulls: a review. Pakistan Vet. J. 18 (1):1-5.
Khan, M. S., A. Ali, S. Ali and M. Saleem. 1997. Seasonal grouping in year-season model for animal model evaluation of Sahiwal cattle. Asian-Aust. J. Anim. Sci. 10(1):75-78.
Kimenye, D. 1981. Production traits of Kenya Sahiwal cattle. Bulletin Anim. Health Prod. Africa. 29(2):121-124. Anim. Breed. Abst., 50:3647, 1982.
Martinez-Velazquez, G., K. E. Gregory, G. L. Bennett and L. D. VanVleck. 2003. Genetic relationships between scrotal circumference and female reproductive traits. J. Anim. Sci. 81:395-401.
Maule, J. P. 1990. The Cattle of the Tropics. University of Edinburgh Centre for Tropical Veterinary Medicine, Edinburgh.
Meyer, K. 1997. User Notes of DFREML. Version 3.0$\alpha$. [http://agbu.une.edu.au/-kmeyer/DFREML/dfreml.v30.dos.exe]
Mohiuddin, G. 1987. Studies on Sahiwal cattle in Pakistan: III. Genetic and phenotypic parameters of productive and reproductive traits. M. Sc. Thesis, Univ. Agric. Faisalabad.
Mudgal, V. D., R. N. Singh and R. A. Singhal. 1992. Development of Frieswal cattle for higher milk production in India. Proc. 6th AAAP Anim. Sci. Cong. AHAT, Bangkok. 1:161-169.
Nagarcenkar, R. 1983. A model programme for the preservation and genetic improvement of Sahiwal breed in India. Anim. Gen. Resources Info. 1:13-16.
Nay, T. and R. H. Hayman. 1956. Sweat glands in zebu and European cattle. 1. Size of individual glands. Aust. J. Agric. Res. 7:482-494.
Payne, W. J. A. and J. Hodges. 1997. Tropical Cattle-Origins, Breeds and Breeding Policies. Blackwell Science, Oxford (UK).
Raja. 2004. (Ed. B. K. Joshi and A. Singh. 2005) Indigenous Cattle Milch Breeds- Their Potential and Improvement Programmes. VIII National Conference on Anim. Genet. Breed Mathura (UP), India (8-10 March, 2005) pp. 21-28.
Rege, G. E. O., M. A. Lomole and J. W. Wakhungu. 1992. An evaluation of a long term breeding programme in a closed herd in Kenya. I. Effect of non genetic factors on performance and genetic parameter estimates. J. Anim. Breed. Genet. 109(5):364-373.
Rehman, Z. 2006. Inter-herd performance and genetic evaluation of Sahiwal cattle in Pakistan. Ph.D. Thesis, Univ. Agric. Faisalabad.
Selvi, P. K., J. M. Panandam, K. Yusoff and S. G. Tan. 2004. Molecular characterization of the Mafriwal dairy cattle of Malaysia using microsatellite markers. Asian-Aust. J. Anim. Sci. 17(10):1366-1368.
Singh and Nagarcenkar. 2000. (Ed. B. K. Joshi and A. Singh. 2005). Indigenous Cattle Milch Breeds- Their Potential and Improvement Programmes. VIII National Conference on Anim. Genet. and Breed. Mathura (UP), India (8-10 March, 2005) pp. 21-28.
Singh, S. K. 1992. Factors affecting some milk production efficiency traits in Sahiwal cattle. Indian J. Anim. Sci. 62(4):346-350.
Singh. 1981. (Ed. B. K. Joshi and A. Singh. 2005) Indigenous Cattle Milch Breeds- Their Potential and Improvement Programmes. VIII National Conference on Anim. Genet. and Breed. Mathura (UP), India (8-10 March, 2005) pp. 21-28.
Syrstad, O. 1990. Mpwapwa cattle: An Indo-Euro-African synthesis. Trop. Anim. Health Prod. 22:17-22.
Talbott, C. W., M. Z. Chauhdry, R. E. McDowell and B. T. McDenial. 1997. Potential to increase milk yield in tropical countries with indigenous dairy cattle. The Sahiwal model. J. Anim. Plant Sci. 7(1-2):1-10.
Visscher, P. M., J. A. Woolliams, D. Smith and J. L. Williams. 2002. Estimation of pedigree errors in the UK dairy population using microsatellite markers and the impact on selection. J. Dairy Sci. 85:2368-2375.
Wellington, K. E. and P. Mahadevan. 1977. Development of Jamaica Hope breed of dairy cattle. FAO Anim. Prod. Health Paper 1:67-72.
Yadav, D. S. and V. K. Dubey. 1979. Development of Karan Swiss. Indian Farm. 28(11):33-35.