1. Abera, B., Lemma, D. and Iticha, I., 2013. Study of bovine mastitis in Asella government dairy farm of Oromia Regional state, South Eastern Ethiopia. International Journal of Current Research and Academic Review, 1, 134–145.
2. Abera, M., Elias, B., Aragaw, K., Denberga, Y., Amenu, K. and Sheferaw, D., 2012b. Major causes of mastitis and associated risk factors in smallholder dairy cows in Shashemene, Southern Ethiopia. African Journal of Agricultural Research, 7, 3513–3518.
3. Abera, M., Habte, T., Aragaw, K., Asmare, K. and Sheferaw, D., 2012a. Major causes of mastitis and associated risk factors in smallholder dairy farms in and around Hawassa, Southern Ethiopia. Tropical Animal Health and Production, 44, 1175–1179.
4. Abunna, F., Fufa, G., Megersa, B. and Regassa, A., 2013. Bovine mastitis: prevalence, risk factors and bacterial isolation in small-holder dairy farms in Addis Ababa City, Ethiopia. Global Veterinaria, 10, 647–652.
5. Adane, B., Guyo, K., Tekle, Y., Taddele, H., Bogale, A. and Biffa, D., 2012. Study on Prevalence and risk factors of bovine mastitis in Borana pastoral and agro pastoral settings of Yabello district, Borana Zone, Southern Ethiopia. American-Eurasian Journal of Agriculture and Environmental Science, 12, 1274–1281.