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Ifeanyi Onyema · Peerford

University of Nigeria / Scholars

IO

Ifeanyi Onyema

University of Nigeria

Publishing since 2011, latest 2025

Animal Science and Zoology
Agronomy and Crop Science
Epidemiology
Cardiology and Cardiovascular Medicine
Ecology, Evolution, Behavior and Systematics
Food Science

Their record on OpenAlex

Publications: 62011–2025
Citations: 61to those papers
h-index: 2i10-index 1
Field-weighted impact: 0.621.00 is the world average
World top 10%: 0%0 of 6 scored papers
Open access: 67%4 papers free to read

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Publications

6 in all

Newest Most cited Oldest Title

Search their publications by title

Effects of multiple La Sota vaccinations on the atrophy of the lymphoid organs associated with velogenic Newcastle disease virus infection in pullets
2025Acta Veterinaria HungaricaJournal0 citations10.1556/004.2025.01143
Impact of multiple Lasota vaccinations on the haematological parameters of pullets infected with velogenic Newcastle disease virus
2025

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Who they write with Where their co-authors are Every publication

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Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Animal Science and Zoology583%
Agronomy and Crop Science350%
Epidemiology350%
Cardiology and Cardiovascular Medicine117%
Ecology, Evolution, Behavior and Systematics117%
Food Science117%
Immunology117%

Health Sciences
Life Sciences

Topics most written on

Animal Disease Management and Epidemiology3
Animal Virus Infections Studies3
Livestock and Poultry Management3
Virology and Viral Diseases3
Animal Nutrition and Physiology1
Salmonella and Campylobacter epidemiology1
T-cell and Retrovirus Studies1
Vector-Borne Animal Diseases1
Viral Infections and Immunology Research1

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

0% of their papers have a co-author abroad

Most frequent partner countries

Papers with at least one author in that country.

Institutions written with most

National Veterinary Research InstituteNG2 papers
University of MaiduguriNG1 paper
University of JosNG1 paper

Where they publish

Acta Veterinaria Hungarica1
Journal of Applied Animal Research1
Journal of Swine Health and Production1
Open Journal of Veterinary Medicine1
Sokoto Journal of Veterinary Sciences1
Tropical Animal Health and Production1

Development goals addressed

From each paper’s title and abstract

2Zero hunger2
3Good health and well-being1

Most cited

Production characteristics, disease prevalence, and herd-health management of pigs in Southeast Nigeria
Journal of Swine Health and Production2
201151 citationsOpen access · Bronze
Lesions of velogenic viscerotropic Newcastle disease virus infection were more severe in broilers than pullets
Journal of Applied Animal Research3
20199 citationsOpen access · Gold
Pathology of Komarov vaccine in Hitchner B1 vaccinated and unvaccinated broilers

Sokoto Journal of Veterinary Sciences

Journal

Open access

0 citations

10.4314/sokjvs.v23i2.4

Pathology of Komarov vaccine in Hitchner B1 vaccinated and unvaccinated broilers

2021Tropical Animal Health and ProductionJournal1 citation10.1007/s11250-021-02986-8

Lesions of velogenic viscerotropic Newcastle disease virus infection were more severe in broilers than pullets

2019Journal of Applied Animal ResearchJournalOpen accessFirst author9 citations10.1080/09712119.2019.1598420

Haematological and Serum Biochemistry Profile of Cockerels Experimentally Infected with Salmonella enterica Serovar Zega

2019Open Journal of Veterinary MedicineJournalOpen access0 citations10.4236/ojvm.2019.912015

Production characteristics, disease prevalence, and herd-health management of pigs in Southeast Nigeria

2011Journal of Swine Health and ProductionJournalOpen access51 citations10.54846/jshap/640

How it can be read

67% free to read

Diamond 2 · 33%Free to read and to publish
Gold 1 · 17%In an open-access journal
Bronze 1 · 17%Free to read, no open licence
Closed 2 · 33%Behind a paywall

Who funds it

1 of 6 papers name a funder

Texas Emerging Technology Fund1

Tropical Animal Health and Production2

20211 citation

Effects of multiple La Sota vaccinations on the atrophy of the lymphoid organs associated with velogenic Newcastle disease virus infection in pullets

Acta Veterinaria Hungarica

20250 citations

Impact of multiple Lasota vaccinations on the haematological parameters of pullets infected with velogenic Newcastle disease virus

Sokoto Journal of Veterinary Sciences

20250 citationsOpen access · Diamond