D. N. Onah

554 total citations
24 papers, 422 citations indexed

About

D. N. Onah is a scholar working on Epidemiology, Parasitology and Small Animals. According to data from OpenAlex, D. N. Onah has authored 24 papers receiving a total of 422 indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Epidemiology, 10 papers in Parasitology and 8 papers in Small Animals. Recurrent topics in D. N. Onah's work include Trypanosoma species research and implications (12 papers), Research on Leishmaniasis Studies (8 papers) and Helminth infection and control (7 papers). D. N. Onah is often cited by papers focused on Trypanosoma species research and implications (12 papers), Research on Leishmaniasis Studies (8 papers) and Helminth infection and control (7 papers). D. N. Onah collaborates with scholars based in Nigeria, United Kingdom and Czechia. D. N. Onah's co-authors include S.N. Chiejina, B.M. Anene, Yukifumi Nawa, John Hopkins, A.G. Luckins, P.A. Nnadi, D. Wakelin, Ekene Vivienne Ezenduka, Romanus C. Ezeokonkwo and Emmanuel Okechukwu Njoga and has published in prestigious journals such as SHILAP Revista de lepidopterología, International Journal for Parasitology and Veterinary Parasitology.

In The Last Decade

D. N. Onah

23 papers receiving 370 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
D. N. Onah Nigeria	13	202	149	137	98	65	24	422
V. C. Rayulu India	12	135 0.7×	51 0.3×	127 0.9×	58 0.6×	27 0.4×	36	332
L.S.B. Mellau Tanzania	11	84 0.4×	60 0.4×	75 0.5×	104 1.1×	39 0.6×	15	311
N Jalalizand Iran	10	177 0.9×	87 0.6×	58 0.4×	40 0.4×	32 0.5×	14	356
Yolanda Vaz Portugal	8	120 0.6×	128 0.9×	150 1.1×	24 0.2×	26 0.4×	13	332
Mohamed M. El‐Bahy Egypt	14	45 0.2×	47 0.3×	210 1.5×	76 0.8×	47 0.7×	41	421
Isaia Symeonidou Greece	11	44 0.2×	54 0.4×	147 1.1×	60 0.6×	50 0.8×	30	299
Clement Isaac Nigeria	12	116 0.6×	122 0.8×	107 0.8×	14 0.1×	52 0.8×	31	381
J. Brandt Belgium	13	52 0.3×	65 0.4×	202 1.5×	29 0.3×	45 0.7×	30	351
James Pritchard United Kingdom	10	58 0.3×	115 0.8×	91 0.7×	63 0.6×	17 0.3×	10	404
Saruda Tiwananthagorn Thailand	13	79 0.4×	117 0.8×	164 1.2×	26 0.3×	20 0.3×	36	343

Countries citing papers authored by D. N. Onah

Since Specialization

Citations

This map shows the geographic impact of D. N. Onah's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by D. N. Onah with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites D. N. Onah more than expected).

Fields of papers citing papers by D. N. Onah

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by D. N. Onah. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by D. N. Onah. The network helps show where D. N. Onah may publish in the future.

Co-authorship network of co-authors of D. N. Onah

This figure shows the co-authorship network connecting the top 25 collaborators of D. N. Onah. A scholar is included among the top collaborators of D. N. Onah based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with D. N. Onah. D. N. Onah is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Ezeokonkwo, Romanus C., et al.. (2025). Comparative efficacy of commonly used herbal and orthodox anticoccidial drugs in broiler birds experimentally infected with mixed Eimeria species. Tropical Animal Health and Production. 57(4). 220–220.

Onah, D. N., et al.. (2017). Prevalence of gastrointestinal helminth infections of dog in Enugu State, South Eastern Nigeria. Parasite Epidemiology and Control. 2(3). 97–104. 23 indexed citations

Ezenduka, Ekene Vivienne, et al.. (2017). Re-evaluation of porcine cysticercosis in Nsukka area of Enugu State, Nigeria. Asian Pacific Journal of Tropical Disease. 7(9). 519–522. 10 indexed citations

Ezeokonkwo, Romanus C., et al.. (2016). Efficacy of repeated doses of diminazene aceturate (Dinazene^®) in the treatment of experimental Trypanosoma brucei infection of Albino rats.. PubMed. 17(2). 124–129. 9 indexed citations

Onah, D. N., et al.. (2016). In vivo and In vitro Efficacy of Albendazole Against Canine Ancylostomosis: A Possible Presence of Anthelmintic Resistance in Nigerian Local Breed of Dogs. 11(1). 20–26. 6 indexed citations

Onah, D. N., et al.. (2012). Efficacy of levamisole and ivermectin in the control of bovine parasitic gastroenteritis in the sub-humid savanna zone of southeastern Nigeria. Parasitology Research. 111(4). 1683–1687. 18 indexed citations

Nnadi, P.A., et al.. (2009). The effect of dietary protein on the productivity of West African Dwarf (WAD) goats infected with Haemonchus contortus. Veterinary Parasitology. 161(3-4). 232–238. 18 indexed citations

Nnadi, P.A., et al.. (2007). The effect of dietary protein supplementation on the pathophysiology of Haemonchus contortus infection in West African Dwarf goats. Veterinary Parasitology. 148(3-4). 256–261. 20 indexed citations

Onah, D. N., et al.. (2004). Enhanced survival of rats concurrently infected with Trypanosoma brucei and Strongyloides ratti. Veterinary Parasitology. 119(2-3). 165–176. 3 indexed citations

10.

Onah, D. N., et al.. (2004). Isolation of a human serum-resistant Trypanosoma brucei from a naturally infected pig in the Nsukka area of Enugu State. Nigerian Veterinary Journal. 24(1). 9 indexed citations

11.

Anene, B.M., D. N. Onah, & Yukifumi Nawa. (2001). Drug resistance in pathogenic African trypanosomes: what hopes for the future?. Veterinary Parasitology. 96(2). 83–100. 96 indexed citations

12.

Onah, D. N., John Hopkins, & A.G. Luckins. (2000). Effects of the depletion of CD8+ T cells and monocytes on the proliferative responses of peripheral blood leucocytes from Trypanosoma evansi-infected sheep. Veterinary Parasitology. 92(1). 25–35. 6 indexed citations

13.

Onah, D. N. & D. Wakelin. (1999). Trypanosome-induced suppression of responses to Trichinella spiralis in vaccinated mice. International Journal for Parasitology. 29(7). 1017–1026. 20 indexed citations

14.

Onah, D. N., John Hopkins, & A.G. Luckins. (1998). Increase in CD5+ B cells and depression of immune responses in sheep infected with Trypanosoma evansi. Veterinary Immunology and Immunopathology. 63(3). 209–222. 20 indexed citations

15.

Onah, D. N., John Hopkins, & A.G. Luckins. (1997). Effects of Trypanosoma evansi on the output of cells from a lymph node draining the site of Pasteurella haemolytica vaccine administration. Journal of Comparative Pathology. 117(1). 73–82. 16 indexed citations

16.

Onah, D. N., John Hopkins, & A.G. Luckins. (1996). Haematological changes in sheep experimentally infected with Trypanosoma evansi. Parasitology Research. 82(8). 659–663. 33 indexed citations

17.

Onah, D. N. & S.N. Chiejina. (1995). Taenia soliumcysticercosis and human taeniasis in the Nsukka area of Enugu State, Nigeria. Annals of Tropical Medicine and Parasitology. 89(4). 399–407. 45 indexed citations

18.

Onah, D. N.. (1991). Porcine trypanosomosis in nigeria: Infections in local and exotic pigs in the Nsukka Area of Anambra State. Tropical Animal Health and Production. 23(3). 141–146. 13 indexed citations

19.

Onah, D. N., et al.. (1991). Porcine cerebralTrypanosoma brucei brucei trypanosomiasis. Tropical Animal Health and Production. 23(1). 39–44. 12 indexed citations

20.

Onah, D. N., et al.. (1989). Epidemiology of echinococcosis/hydatidosis in Anambra State, Nigeria. Annals of Tropical Medicine and Parasitology. 83(4). 387–393. 7 indexed citations

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