Evidence map›Paper›PMID 40069836›Full record

ArticleVeterinary dermatology2025

Claw growth rates in a subset of adult, indoor, domestic cats (Felis catus).

Elena T Contreras, Kate Bruner, Courtney Hegwer, Andrew Simpson

Abstract read
In one paragraph

Article in Veterinary dermatology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
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

3 citing papers in PubMed.

  1. Article
  2. Article
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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.

Elena T ContrerasShreiber School of Veterinary Medicine of Rowan University, Mullica Hill, New Jersey, USA.ORCID https://orcid.org/0000-0002-4745-7951
Kate BrunerColorado State University College of Veterinary Medicine and Biomedical Sciences, Fort Collins, Colorado, USA.
Courtney HegwerColorado State University College of Veterinary Medicine and Biomedical Sciences, Fort Collins, Colorado, USA.
Andrew SimpsonVCA Aurora Animal Hospital, Aurora, Illinois, USA.ORCID https://orcid.org/0000-0002-3730-5823

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundKeratinised tissues, such as nails and claws, accumulate hormones over time; the claws' hormone concentrations are being explored as potential biomarkers. Timelines for hormone deposition can be established if claw growth rates are known. Hormone concentration within cat claws has been recently evaluated, yet the growth rates of cat claws remain unknown. HYPOTHESIS/

objectivesTo estimate the growth rate of adult cats' claws, we hypothesised that front claw growth rates would differ from those of rear claws. ANIMALS: Seventeen client-owned, indoor, neutered, adult cats. MATERIALS AND

methodsCats' claws were clipped and then measured lengthwise. Claws were repeatedly measured over time with repeat claw trims after approximately 1 month, followed by repeat measurements. Average claw growth rates were calculated for three digit groups: forelimb digit 1, forelimb digits 2-5 (front) and hind limb (rear). Growth rates of the front compared to the rear and digit 1 were compared through linear mixed effects regression modelling.

resultsThe daily mean claw growth rates were 0.13 mm for front and digit 1, and 0.08 mm for rear. The growth rate of rear claws was significantly lower (p < 0.001) than for front claws; rear claws grew, on average, 0.04 mm less per day than front claws. CONCLUSIONS AND CLINICAL RELEVANCE: Our study provides the first measurement of claw growth rates in cats. The significantly slower growth rate of rear claws compared to front claws should be considered when evaluating metabolites within cat claws.

Indexed as

Hoof and ClawAnimalsCatsFemaleForelimbMalebiomarkercortisolfelinenail

Identifiers

PMID40069836
PMCPMC12058566

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Registered trials

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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.