Wudu, T., Kelay, B., Mekonnen, H.M. and Tesfu, K. (2008) Calf Morbidity and Mortality in Smallholder Dairy in Ada’a Liben District of Oromia, Ethiopia. Tropical Animal Health and Production, 40, 369-376.
 Alemu, G.W. and Teshome, Y. (1987) Note on Calf Mortality Rate at Two IAR Livestock Stations, Holetta and Adamitulu. Proceedings of the 1st National Livestock Improvement Conference, IAR, Addis Ababa, 76-80.
 Fikadu, S. and Tefera, G.M. (1993) Causes of Calf Mortality in Adamitullu-Abernossa Cattle Ranch. Proceedings of the 7th Conference of Ethiopian Veterinary Association (EVA), Addis Ababa, 105-109.
 Mengesha, F. (1993) A Retrospective Study of Cattle Mortality at Holetta Research Center. Proceedings of the 7th Annual Conference of Ethiopian Veterinary Association (EVA), Addis Ababa, 101-104.
 Kifaro, G.C. and Temba, E.A. (1990) Calf Mortality and Culling Rates in Two Dairy Farms in Iringa Region, Tanzania. Proceedings of the Tanzanian Society of Animal Production (TSAP), Tanzania, 138-146.
 Debnath, N.C., Sil, B.K., Seslim, S.A. Prodhan, M.A.M. and Howlader, M.M.R. (1990) A Retrospective Study of Calf Mortality and Morbidity on Smallholder Traditional Farms in Bangladesh. Preventive Veterinary Medicine, 9, 1-7.
 Sivula, N.J., Ames, T.R., Marsh, W.E. and Werdin, R.E. (1996) Descriptive Epidemiology of Morbidity and Mortality in Minnesota Dairy Heifers Calves. Preventive Veterinary Medicine, 27, 155-171.
 Hussein, N. (1998) A Study on Calf Mortality at Adamitulu Livestock Research Center. Proceeding of 5th Conference of Ethiopian Society of Animal Science (ESAP), Addis Ababa, 15-17 May 1997, 157-162.
 Lemma, M., Kassa, T. and Tagagne, A. (2001) Clinically Manifested Major Health Problems of Crossbred Dairy Herds in Urban and Peri-Urban Production Systems in the Central High Land of Ethiopia. Tropical Animal Health and Production, 33, 85-93.
 Shiferaw, Y., Yohannes, A., Yilma, Y., Gebrewold, A. and Gojjam, Y. (2002) Dairy Husbandry and Health Management at Holleta. Proceeding of the 16th Conference of the Ethiopian Veterinary Association, Addis Ababa, 5-6 June 2002, 103-119.
 Lance, S.E., Miller, G.Y., Mncock, D.D., Bartlet, P.C. and Heider, L.E. (1992) Salmonella Infection in Neonatal Dairy Calves. Journal of the American Veterinary Medical Association, 201, 864-868.
 Bruning-Fann, C. and Kaneene, J.B. (1992) Environmental and Managemental Risk Factors Associated with Morbidity and Mortality in Perinatal and Preweaning Calves: A Review from an Epidemiological Perspective. Veterinary Bulletin, 62, 399-403.
 Gryeels, G. and de Boodet, K. (1986) Integration of Crossbred Cows (Boran and Freisian) on Smallholder Farms in Debre Zeit Area of the Ethiopian Highlands. ILCA Highland Program Report, ILCA, Addis Ababa.
 Heinrichs, A.J. and Radostits, O.M. (2001) Health and Production Management of Dairy Calves and Replacement Heifers. In: Radostits, O.M., Ed., Herd Health, Food Animal Production Medicine, W.B. Saunders Company, Philadelphia, 333-395.
 Virtala, A.M., Mechor, G.D., Grohn, Y.Y and Erb, H.N. (1996) Morbidity from Non-Respiratory Diseases and Mortality in Dairy Heifers during the First Three Months of Life. American Journal of Veterinary Research, 208, 2043-2046.