Abebe R, Gebreyohannes M, Mekuria S, Abunna F, Regassa A (2010). Gastrointestinal nematode infections in small ruminants under the traditional husbandry system during the dry season in southern Ethiopia. Tropical Animal Health and Production 42:1111-1117.
Crossref

Admasu P, Nurlign L (2014). Prevalence of Gastrointestinal Parasites of Small Ruminants in Kuarit District, North West Ethiopia. African Journal of Basic and Applied Sciences 6 (5):125-130.

Aga TS, Tolossa YH, Terefe G (2013). Epidemiology of gastrointestinal nematodes of Horro sheep in Western Oromiya, Ethiopia. Journal of Veterinary Medicine and Animal Health 5(10):296-304.

Ahmed J, Duguma A, Regassa D, Belina D, Jilo R (2017). Gastrointestinal Nematode Parasites of Small Ruminants and Anthelmintics Efficacy Test in Sheep of Haramaya District, Eastern Ethiopia. Animal and Veterinary Sciences 5(3):39-44.
Crossref

Aragaw K, Gebreegziabher G (2014). Small Intestinal Helminth Parasites in Slaughtered Sheep and Goats in Hawassa, Southern Ethiopia. African Journal of Basic and Applied Sciences 6(2):25-29.

Asha A, Wossene A (2007). Gastrointestinal tract nematodosis of small ruminantsin three different agro-ecological zones in southern Ethiopia. Ethiopian Veterinary Journal 11(1):83-94.

Asmare K, Sheferaw D, Aragaw K, Abera M, Sibhat B, Haile A, Kiarad H, Szonyie B, Skjervef E, Wielande B (2016). Gastrointestinal nematode infection in small ruminants in Ethiopia: A systematic review and meta-analysis, Acta Tropica 160:68-77.
Crossref

Bates P (2012). External Parasites of Small Ruminants: A Practical Guide to their Prevention and Control. CAB International, UK pp1-2
Crossref

Belina D, Giri A, Mengistu S, Eshetu A (2017). Gastrointestinal Nematodes in Ruminants: The Parasite Burden, Associated Risk Factors and Anthelmintic Utilization Practices in Selected Districts of East and Western Hararghe, Ethiopia. Journal of Veterinary Science and Technology 8:433. 

Coffin DL (1995). Manual of Veterinary and Clinical Pathology. 3rd ed., Comst. Pub. Ass. Inc. Ithaca. New York, USA pp. 115-157.

Coop RL, Kyriazakis I, (2001). Influence of host nutrition on the development and consequences of nematode parasitism in ruminants. Trends in Parasitology 17(7):325-330.
Crossref

Central Statistical Agency (CSA) (2017). Report on Livestock and Livestock Characteristics (Private Peasant Holdings). Agricultural Sample Survey 2016/17 (2009 E.C.), Federal Democratic Republic of Ethiopia, Central Statistical Agency (CSA), Addis Ababa, Ethiopia.

Derso S, Shime A (2017). Small ruminant GIT Parasites in Enemay district, Ethiopia: Prevalence and risk factors. Online Journal of Animal and Feed Research 7(3):65-71.

Emiru B, Amede Y, Tigre W, Feyera T, Deressa B (2013). Epidemiology of Gastrointestinal Parasites of Small Ruminants in Gechi District, Southwest Ethiopia. Advances in Biological Research 7(5):169-174.

Getachew M, Tesfaye R, Sisay E (2017). Prevalence and Risk Factors of Gastrointestinal Nematodes Infections in Small Ruminants in Tullo District, Western Harerghe, Ethiopia. Journal of Veterinary Science and Technology 8:428. 

Hansen J, Perry B (1994). The epidemiology, diagnosis and control of helminth parasites of ruminants. ILRAD. Nairobi, Kenya P 171.

Hendrix CM (1998). Diagnostic Veterinary Parasitology, 2nd ed. pp. 239-264.

Jackson PGG, Cockcroft P D (2002). Clinical Examination of Farm Animals. Blackwell Science Ltd. P 302.
Crossref

Radostits OM, Gay CC, Hinchcliff KW, Constable PD (2007). Veterinary Medicine: A text book of the disease of cattle, horses, sheep, pigs and goats. 10thed. Elsevier, London pp. 1541-1563.

Regassa F, Sori T, Dhuguma R, Kiros Y (2006). Epidemiology of Gastrointestinal Parasites of Ruminants in Western Oromia, Ethiopia. International Journal of Applied Research in Veterinary Medicine 4(1):51-57.

Suarez VH, Cristel SL, Busetti MR (2009). Epidemiology and effects of gastrointestinal nematode infection on milk productions of dairy ewes. Parasite 16:141-147.
Crossref

Taylor MA, Coop R L, Wall, RL (2007). Veterinary Parasitology, 3rd ed. Blackwell Publishing Ltd, Oxford, UK P 2080.

Tefera M, Batu G, Bitew M (2009). Prevalence of Gastrointestinal Parasites of Sheep and Goats in and around Bedelle, South-Western Ethiopia. The Internet Journal of Veterinary Medicine 8(2).

Thrall MA, Weiser G, Allison, RW and Campbell TW (2012). Veterinary Hematology and Clinical Chemistry, 2nd ed. John Wiley & Sons, Inc. pp. 75-80.

Thrusfield M (2005). Veterinary epidemiology. 3rd ed. Singapore, Black well Science pp. 228-246.

Urquhart GM, Armour J, Dunlan JL, Dunn AM, Jennings W (1996). Veterinary Parasitology, 2nd ed. Blackwell science Ltd, Oxford, London, UK P 307.

Wondimu A, Gutu S (2017). Gastrointestinal nematodes of small ruminants in Guto Gida District, East Wolloega, Ethiopia. Journal of Veterinary Medicine and Animal Health 9(5):83-87.
Crossref

Yimer A, Sissay D, Nazir S (2016). Prevalence and associated risk factors of gastrointestinal nematodiasis in small ruminants in North East Ethiopia. Journal of Animal Research 6(2):165-170.
Crossref

Yimer A, Birhan E (2016). Prevalence and Identification of Gastrointestinal Nematodes of Small Ruminants in Northern Ethiopia. Middle-East Journal of Scientific Research 24(8):2602-2608.

Zajac A M, Conboy G A (2012). Veterinary Clinical Parasitology 8th edition, American Association of veterinary parasitologists, Black well publishing.