Evidence map›Paper›PMID 31840634›Full record

ArticleParasitology2020

Strongylid infection varies with age, sex, movement and social factors in wild African elephants.

Jenna M Parker, Shifra Z Goldenberg, David Letitiya, George Wittemyer

Open access · greenAbstract read
In one paragraph

Article in Parasitology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.4field-weighted citation impact, top 18% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed, 13 citations in OpenAlex.

  1. Article
  2. Article
  3. Epidemiology and risk factors for endoparasite infection in subtropical feral cattle in Hong Kong.International journal for parasitology. Parasites and wildlife · 2025
    Article
  4. Divergent age-related changes in parasite infection occur independently of behaviour and demography in a wild ungulate.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024
    Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 2 countries.

Jenna M ParkerGraduate Degree Program in Ecology and Department of Fish, Wildlife and Conservation Biology, Colorado State University, 1474 Campus Delivery, Fort Collins, CO80523, USA.ORCID 0000-0002-5190-1461
Shifra Z GoldenbergSave the Elephants, Marula Manor, Marula Lane, Karen, Nairobi00200, Kenya.
David LetitiyaSave the Elephants, Marula Manor, Marula Lane, Karen, Nairobi00200, Kenya.
George WittemyerGraduate Degree Program in Ecology and Department of Fish, Wildlife and Conservation Biology, Colorado State University, 1474 Campus Delivery, Fort Collins, CO80523, USA.
Save the Elephants · KEZoological Society of San Diego · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Comparing parasitic infection among individuals of wildlife populations can provide insight into factors that influence wildlife disease ecology. Strongylids are parasitic worms that infect the intestinal tract of vertebrates, and infection with strongylids can be approximated by counting strongylid eggs in dung samples. Here we tested for correlations between strongylid egg counts and 18 different individual characteristics, environmental and social factors in individually known wild African elephants. We counted more eggs in the dung samples of younger elephants and females relative to mature elephants and males. We also found that elephants spending more time outside reserves shed more strongylid eggs than elephants that were more often within reserves. Elephants that were less socially integrated, as measured by how much aggression they received from other elephants, shed fewer strongylid eggs; relatedly, socially isolated orphan elephants that had left their family shed fewer strongylid eggs than elephants that remained with their family. Our results suggest that landscapes altered by livestock grazing and social disruption caused by humans may impact parasitic infection in wildlife.

Indexed as

ElephantsMovementSocial BehaviorAge FactorsAnimalsConservation of Natural ResourcesFemaleKenyaMaleSex FactorsStrongylidaStrongylida InfectionsConservationdisease ecologyfaecal egg countsgastrointestinal nematodelivestock grazingLoxodonta africanaorphanparasitismpoachingsocial networks

Identifiers

PMID31840634
PMCPMC10317646
OpenAlexW2996091468

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.