A new version of this entry is available:
Loading...
Article
2025
A prospective exploratory study on potential systemic causes and risk factors for subconjunctival bleeding in neonatal calves
A prospective exploratory study on potential systemic causes and risk factors for subconjunctival bleeding in neonatal calves
Abstract (English)
Subconjunctival bleeding in neonatal calves is most commonly seen in association with birth trauma. There are currently no investigations available that examine the systemic causes of this phenomenon. In this prospective and exploratory case–control study, seven out of eighty neonatal calves examined over a two-year period were born with subconjunctival bleeding. The anatomical location of the subconjunctival bleeding and details related to the cow’s and calf’s parturitional and gestational history were recorded. Blood samples from cases and controls ( n = 7) were analyzed hematologically, and the serum lysyl oxidase-like enzyme 4 (LOXL4) concentration was determined through an ELISA to establish evidence for possible structural, copper-dependent vascular abnormalities. We found no significant difference in the clinical data of both groups. Hematological examinations revealed no evidence of anemia or thrombocytopenia. Additionally, no significant differences in differential leukocyte counts were observed between the different groups. However, the neutrophil–lymphocyte ratio (NLR) demonstrated a significant difference between the calves with subconjunctival bleeding and controls. The serum LOXL4 protein concentration was not significantly different in calves with subconjunctival bleeding compared to controls. In conclusion, our clinical, hematological, and biochemical data provided no evidence for potential systemic causes of subconjunctival bleeding. However, these results must be considered in light of this study’s small sample size and thus low statistical power.
File is subject to an embargo until
This is a correction to:
A correction to this entry is available:
This is a new version of:
Other version
Notes
Publication license
Publication series
Published in
Veterinary Sciences, 12 (2025), 12, 1111.
https://doi.org/10.3390/vetsci12121111.
ISSN: 2306-7381
Other version
Faculty
Institute
Examination date
Supervisor
Cite this publication
Steffl, M., Euchner, K., & Nautscher, N. (2025). A Prospective Exploratory Study on Potential Systemic Causes and Risk Factors for Subconjunctival Bleeding in Neonatal Calves. Veterinary Sciences, 12(12). https://doi.org/10.3390/vetsci12121111
Edition / version
Citation
DOI
ISSN
ISBN
Language
English
Publisher
Publisher place
Classification (DDC)
630 Agriculture
Original object
University bibliography
Standardized keywords (GND)
Sustainable Development Goals
BibTeX
@article{Steffl2025,
doi = {10.3390/vetsci12121111},
author = {Steffel, Martin and Euchner, Katharina and Nautscher, Nadine},
title = {A Prospective Exploratory Study on Potential Systemic Causes and Risk Factors for Subconjunctival Bleeding in Neonatal Calves},
journal = {Veterinary Sciences},
year = {2025},
volume = {12},
number = {12},
}