A review of horse welfare literature from 1980 to 2023 with a text mining and topic analysis approach
2023
Beatrice Benedetti | Martina Felici | Leonardo Nanni Costa | Barbara Padalino
Animal welfare protection is a challenge for which policy-makers are demanding scientific-based evidence. Considering horses, the challenge is even greater, as their role in society varies from production to companion animals. This review aimed to describe the evolution and geographical distribution of horse welfare literature over the years, to identify the most studied research topics and to highlight the still present gaps in knowledge. A search on Scopus® bibliometric database was performed using different welfare-related keywords. Predetermined filters were posed on time range, language and subject area. A total of 6584 records were downloaded and screened retaining only the ones dealing with horse welfare and behavioural sciences. Descriptive statistics, text mining (TM) and topic analysis (TA) were performed on the abstract of 801 eligible records. The results showed the number of studies on horse welfare is exponentially increasing, especially in the European continent. ‘Transport’ was the most frequent word, but also ‘behaviour’ and ‘pain’ emerged. Nine topics were identified and covered different subject areas: stress analysis, pain assessment, equitation science, human–horse interactions, breeding management, transport, working equids and health. The evaluation of stress and pain, horse social behaviour and the human–horse relationship resulted to be the most studied aspects related to animal welfare. On the contrary, the concept of positive welfare and the welfare assessment at slaughter of horses were underrepresented, confirming the limited literature on these subjects. This review confirmed the growing impact of research on horse welfare and highlighted how some important areas still do not provide sufficient scientific evidence.
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