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Home / Equine Research Bank / Animals (Basel) / GLAD Scale for Ranking Welfare of Horses on Arrival after Tr...
Animals : an open access journal from MDPI2023; 13(9); 1465; doi: 10.3390/ani13091465

GLAD Scale for Ranking Welfare of Horses on Arrival after Transport to Slaughterhouses.

Abstract: To date, there is no official method for measuring horse welfare after transport. This study aimed to develop a scale to classify horses into four categories: good shape; light affected; affected; down (GLAD) based on their welfare impairment measured at unloading. To this end, 15 animal-based measures (ABMs), previously recorded from 1019 horses, were scored. Weight and severity scores provided by welfare experts, alongside the number of welfare principles highlighted by the ABM, were assigned to each ABM. The welfare impairment () of each horse was then calculated as the weighted sum of the severity scores of the 15 ABMs. Three thresholds were also set to define the four GLAD categories; the ABM "down" (i.e., horses unable to stand and walk on arrival, also considered by the law as the indicator of the worst welfare) was used as the higher threshold, , (category D); the intermediate threshold, , was defined by the ABM "injuries", assumed to represent highly impaired welfare (category A); the threshold, , was defined assuming that significant welfare impairment starts from 20% of (L category). Horses with an value below were considered physically and mentally fit (G category). Out of 1019, 43% of horses fell into category G, 48% into L, 9% into A, and 0.3% into D. Our scale could be useful for veterinarians to decide whether a horse can be slaughtered immediately (G), needs rest (L), needs attention (A), or euthanasia (D), but further validation is needed.
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Publication Date: 2023-04-25 PubMed ID: 37174502PubMed Central: PMC10177125DOI: 10.3390/ani13091465Google Scholar: Lookup
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research outlines a new method for assessing the welfare of horses upon their arrival at slaughterhouses after transport. The study results in a scale termed ‘GLAD’, with horses categorized into ‘good shape’, ‘lightly affected’, ‘affected’, or ‘down’, based on the severity of their welfare condition.

Objective of the Research

The objective of this study was to establish a clear method for the evaluation of horse welfare upon their arrival at abattoirs after transportation. Up until this point, there has been no standardized or formal means of gaiving a welfare assessment under these conditions. Thus, the authors aimed to classify horses into four groups using a new model named the ‘GLAD’ scale.

Conducting the Study

  • The study used 15 animal-based measures (ABMs) to assess the condition of 1019 horses. These measurements were judged according to their weight and severity as provided by welfare experts.
  • A numerical value indicating welfare impairment was then calculated as the sum of the severity scores of all 15 ABMs multiplied by their weights.
  • Set thresholds were then designated to determine the four potential welfare categories. Significant conditions such as inability to stand or walk formed the upper threshold while sustained injuries were used as an indicator for highly impaired welfare.

Results of the Study

  • Of the total 1019 horses assessed for the study, 43% were categorized as being in good shape (G), 48% were lightly affected (L), 9% were marked as affected (A), and 0.3% were classified as down (D).
  • The categories provided a quick reference for determining whether a horse could be immediately slaughtered, required to rest, needed attention, or required euthanasia. However, the paper stresses that further validation of the model is necessary.

Potential Impact and Applications

  • The study’s system stands to greatly improve welfare evaluations through an objective and reliable method.
  • The system could potentially help both regulators and animal health professionals in determining the treatment or fate of animals with greater precision and swiftness.
  • The scale could also be an effective tool for comparing the conditions of horses transported under different circumstances, or to assess the impact of various practices in the industry.

Cite This Article

APA
Padalino B, Benedetti B, Felici M, Bicout DJ. (2023). GLAD Scale for Ranking Welfare of Horses on Arrival after Transport to Slaughterhouses. Animals (Basel), 13(9), 1465. https://doi.org/10.3390/ani13091465

Publication

Animals : an open access journal from MDPI
ISSN: 2076-2615
NlmUniqueID: 101635614
Country: Switzerland
Language: English
Volume: 13
Issue: 9
PII: 1465

Researcher Affiliations

Padalino, Barbara
  • Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy.
Benedetti, Beatrice
  • Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy.
Felici, Martina
  • Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy.
Bicout, Dominique Joseph
  • EPSP, Université Grenoble Alpes, CNRS, Grenoble INP, VetAgro Sup, TIMC, 38000 Grenoble, France.

Grant Funding

  • PadalinoAA2020 / Animals Angels
  • PadalinoWHW2020 / World Horse Welfare

Conflict of Interest Statement

The authors declare no conflict of interest.

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