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Rørvang, M., Blad, M., Lindahl, C. & Wallenbeck, A. (2024). An added aroma changes the behaviour of domestic pigs in a novel situation aimed for stunning. Applied Animal Behaviour Science, 270, Article ID 106145.
Open this publication in new window or tab >>An added aroma changes the behaviour of domestic pigs in a novel situation aimed for stunning
2024 (English)In: Applied Animal Behaviour Science, ISSN 0168-1591, E-ISSN 1872-9045, Vol. 270, article id 106145Article in journal (Refereed) Published
Abstract [en]

The currently most widespread stunning method for pigs is high concentration of carbon dioxide (CO2), but this method is under scrutiny due to animal welfare deficits. One alternative method currently under development with potential to replace CO2 is nitrogen (N2) filled high expansion foam. While N2 does not elicit the same aversive behaviour as CO2, it is currently not known if the high expansion foam itself may be frightening to the pigs. Means to alleviate fear reactions to foam could consist of diverting pigs’ attention using aromas (an odour in combination with taste) of interest to them. The current study aimed to investigate if an added aroma (vanilla aroma) affected pigs’ avoidance and exploratory behaviour when exposed to air-filled high expansion foam in a foam box. The study included 50 pigs (30 females, 20 males) of 14–16 weeks of age, of different crosses between Yorkshire, Hampshire and Duroc. The pigs were randomly assigned to either the treatment with air-filled foam with added aroma or the control treatment with no added aroma, which they were exposed to in a foam box. The results showed that pigs with the aromatised foam expressed significantly more exploration behaviour directed towards the foam and box walls, but not towards the floor or the lid. The aromatised foam also resulted in a higher activity level of the pigs. In contrast to the hypotheses, pigs with aromatised foam expressed more avoidance behaviour, and escape attempts were exclusively observed when pigs were exposed to aromatised foam. Slipping events and frequency of vocalisations did not differ between pigs with and without aroma added to the foam. This study shows that an added aroma (taste and odour in combination) increased pigs’ exploration behaviour towards the foam, and thus could serve as a distraction for the pigs when inside a confined foam box. The results emphasise the importance of taking foam aroma into consideration in the further development of the N2-filled high expansion as a stunning method. The potential anxiety- or stress-reducing effect of any added aroma needs further investigation, and future studies should focus on assessing various types of aromas, and/or odours, as well as different concentrations of the compounds to determine which solution is most efficient in alleviating pig stress and anxiety. 

Place, publisher, year, edition, pages
Elsevier B.V., 2024
Keywords
Olfaction, Pig production, Pig welfare, Porcine, Sensory stimulation, Smell, animal welfare, biostimulation, carbon dioxide, concentration (composition), pig, sensory system
National Category
Food Science
Identifiers
urn:nbn:se:ri:diva-71973 (URN)10.1016/j.applanim.2023.106145 (DOI)2-s2.0-85181020040 (Scopus ID)
Note

The authors thank the staff at the Swedish Pig Research Centre, SLU Lövsta, Sweden, for participation and support during the experiments, and Amanda Laufors, Sweden, for her great assistance during the practical parts of the experiments.

Available from: 2024-02-26 Created: 2024-02-26 Last updated: 2024-02-26Bibliographically approved
Bergman Bruhn, Å., Lindahl, C., Andersson, I.-M. & Rosén, G. (2023). Motivational factors for occupational safety and health improvements: A mixed-method study within the Swedish equine sector. Safety Science, 159, Article ID 106035.
Open this publication in new window or tab >>Motivational factors for occupational safety and health improvements: A mixed-method study within the Swedish equine sector
2023 (English)In: Safety Science, ISSN 0925-7535, E-ISSN 1879-1042, Vol. 159, article id 106035Article in journal (Refereed) Published
Abstract [en]

A well-functioning systematic occupational safety and health management is beneficial for both individuals and organizations, and employee motivation seems to be crucial for positive outcomes. Occupational safety and health issues are a major concern for the Swedish equine sector since the work environment in horse stables is known to be characterized by low mechanization, high physical workloads, and high injury risks. The purpose of this study was to gain an increased understanding of how systematic occupational safety and health management is performed and which factors that influence motivation for occupational safety and health improvements in the Swedish equine sector. An explanatory sequential mixed-methods study, based on quantitative data from questionnaires and qualitative data from semi-structured interviews, was conducted. Various statistical analyses were performed to obtain quantitative data and an abductive applied thematic analysis was applied for the qualitative data. The results indicate that both intrinsic motivators, i.e. attitudes, values, and influence, as well as contextual factors such as motivational management, occupational culture, and workplace resources, influence compliance in systematic occupational safety and health management and participation in occupational safety and health improvements, which in turn affect workplace outcomes regarding safety and health. The positive relationship found between an implemented and functioning systematic occupational safety and health management and employee motivation for occupational safety and health improvements indicate the importance of employee involvement and participation. Understanding the motivational factors for occupational safety and health improvements from an employee perspective is an important step to creating healthy and sustainable workplaces.

Keywords
Employee participation, Intrinsic motivation, Occupational culture, Safety motivation, Self-determination theory, Systematic OSH management
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:ri:diva-61471 (URN)10.1016/j.ssci.2022.106035 (DOI)s2-S0925753522003745 (Scopus ID)
Available from: 2022-12-08 Created: 2022-12-08 Last updated: 2023-07-06Bibliographically approved
Söderquist, A., Wallenbeck, A. & Lindahl, C. (2023). Social Support in a Novel Situation Aimed for Stunning and Euthanasia of Pigs May Be Increased by Familiar Pigs—A Behavioural Study with Weaners. Animals, 13(3), Article ID 481.
Open this publication in new window or tab >>Social Support in a Novel Situation Aimed for Stunning and Euthanasia of Pigs May Be Increased by Familiar Pigs—A Behavioural Study with Weaners
2023 (English)In: Animals, E-ISSN 2076-2615, Vol. 13, no 3, article id 481Article in journal (Refereed) Published
Abstract [en]

The common method of stunning pigs using high concentration carbon dioxide prior to slaughter poses an animal welfare issue, as the gas is aversive. Proof of concept for using nitrogen gas encapsulated in high-expansion foam as an alternative non-aversive method for stunning pigs has recently been presented. However, the individually tested pigs showed distress-related responses to foam exposure, regardless of whether it was nitrogen- or air-filled. This study examined the effect of companionship from a familiar or unfamiliar pig on behaviours in 72 nine-weeks old pigs during exposure to air-filled foam. Escape attempts were observed by 75% of solitary pigs, 42% of pigs with unfamiliar conspecifics, and 33% of pigs with familiar conspecifics. Familiar pig pairs clearly preferred social contact during foam exposure, whereas this was not as clear in unfamiliar pig pairs, and their motivation for social contact could have multiple explanations. The results from this study highlight the importance of contact with conspecifics when studying animal welfare and suggest that familiarity between pigs is important for social support, thus emphasizing the importance of maintaining social groups to reduce distress in pigs at slaughter. © 2023 by the authors.

Place, publisher, year, edition, pages
MDPI, 2023
Keywords
animal welfare, companionship, foam, slaughter, social behaviour, swine, animal experiment, Article, behavior assessment, controlled study, euthanasia, locomotion, nonhuman, pig, slaughtering, social behavior, social group, social support, weaner
National Category
Animal and Dairy Science
Identifiers
urn:nbn:se:ri:diva-64104 (URN)10.3390/ani13030481 (DOI)2-s2.0-85147720330 (Scopus ID)
Note

Correspondence Address: Lindahl C, RISE, Sweden; email: cecilia.lindahl@ri.se; Tradenames: GoPro, San Mateo, United States; Manufacturers: San Mateo, United States

Available from: 2023-02-28 Created: 2023-02-28 Last updated: 2024-01-17Bibliographically approved
Lindahl, C., Sindhöj, E., Blad, M., Berg, C. & Wallenbeck, A. (2022). Controlled atmosphere stunning of pigs using nitrogen, argon and carbon dioxide in high-expansion foam.. In: : . Paper presented at 27th Congress of the Nordic Association of Agricultural Sciences, 27-29 September, Selfoss, Iceland..
Open this publication in new window or tab >>Controlled atmosphere stunning of pigs using nitrogen, argon and carbon dioxide in high-expansion foam.
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2022 (English)Conference paper, Published paper (Other academic)
National Category
Agricultural Science, Forestry and Fisheries
Identifiers
urn:nbn:se:ri:diva-61474 (URN)
Conference
27th Congress of the Nordic Association of Agricultural Sciences, 27-29 September, Selfoss, Iceland.
Available from: 2022-12-08 Created: 2022-12-08 Last updated: 2023-05-16Bibliographically approved
Wallenbeck, A., Berg, C., Lindahl, C. & Sindhöj, E. (2022). Euthanasia of healthy and non-viable piglets using high-expansion nitrogen foam.. In: : . Paper presented at 27th Congress of the Nordic Association of Agricultural Sciences, 27-29 September, Selfoss, Iceland..
Open this publication in new window or tab >>Euthanasia of healthy and non-viable piglets using high-expansion nitrogen foam.
2022 (English)Conference paper, Published paper (Other academic)
National Category
Agricultural Science
Identifiers
urn:nbn:se:ri:diva-61473 (URN)
Conference
27th Congress of the Nordic Association of Agricultural Sciences, 27-29 September, Selfoss, Iceland.
Available from: 2022-12-08 Created: 2022-12-08 Last updated: 2023-05-16Bibliographically approved
Hagberg, C., Pourazari, F. & Lindahl, C. (2022). Ny teknik inom grisproduktionen.
Open this publication in new window or tab >>Ny teknik inom grisproduktionen
2022 (Swedish)Report (Other academic)
Abstract [en]

Investments in pig operations often involve investments in various technical equipment and systems. Automatic feeding and automatic regulation of the ventilation in pig units are commonly installed today. The future technologies, being under development, are more advanced technical solutions as the pigs' growth, behavior, well-being, and health are monitored with the aim to give the pig producer real time data of the production and eventually, what measures required to be taken. Precision Livestock Farming (PLF) aims to combine hardware, e.g., cameras, microphones and sensors, with computer software to collect and analyze data. By real time automatic monitoring, the production results and pigs’ welfare and health are easier to follow-up instantly. The PLF technology function as a warning system for disturbances in the pig units before the stockperson has had time to notice the changes making it possible for quick and targeted interventions. Different types of cameras are being developed to record different behaviors in pigs, such as aggressive behaviors. Face recognition, by a mobile phone application, is being developed for individual recognition of pigs and as a replacement of ear tags. In addition, attempts are made to monitor the pigs' activity and body measurements with camera technology to obtain information about pig health and growth. Finding a reliable system for automatic weight estimation of the pigs would gain profitability. Thermal cameras, IR technology, will be of great importance in pig production in the future. Other equipment already on the market are sensors for sound analysis with the aim to early detect any respiratory disturbances among the pigs. Prior to any technology investment, it is essential that the pig producer has been ensured that the system and equipment have been carefully tested, and especially applied in commercial herds. Some of the technologies presented in this report have only been tested in small herds and in controlled research environments, and therefore need further development before commercialization. Additionally, the technologies must have been tested under different production conditions, e.g., among different pig categories, housing conditions and pen designs. Future commercial technologies preferably include continuous monitoring of the individual pig's behavior, well-being, and health, along with production results and indoor environmental parameters. It is important that the techniques are developed based on the needs of the pig and the stockperson to avoid any inconveniences. The technologies must also be profitable and user-friendly.

Publisher
p. 20
Series
RISE Rapport ; 2022:11
Keywords
pig production, precision livestock farming, plf, tracking, behavior detection, pig face recognition, weight estimation, thermal analysis, sound surveillance analysis, ear tags, electronic feeders, investment considerations
National Category
Clinical Science
Identifiers
urn:nbn:se:ri:diva-58807 (URN)978-91-89561-26-7 (ISBN)
Available from: 2022-03-14 Created: 2022-03-14 Last updated: 2023-05-10Bibliographically approved
Lindahl, C., Bergman Bruhn, Å. & Andersson, I.-M. (2022). Occupational Safety Climate in the Swedish Equine Sector. Animals, 12(4), Article ID 438.
Open this publication in new window or tab >>Occupational Safety Climate in the Swedish Equine Sector
2022 (English)In: Animals, E-ISSN 2076-2615, Vol. 12, no 4, article id 438Article in journal (Refereed) Published
Abstract [en]

The Swedish equine sector is considered a high-risk work environment, with relatively high injury rates and high severity of injuries. General safety research has identified a correlation between the safety performance and safety culture, but little is known about the intricacies of the safety culture in the Swedish equine sector, especially concerning managers’ and employees’ perceptions of their work environment. The safety climate assessment is recognised as an effective tool for identifying potential problems in the workplace, thus enhancing safety behaviour and decreasing the frequency and severity of injuries. The aim was to evaluate the safety climate at riding schools and trotting stables through the Nordic Safety Climate Questionnaire (NOSACQ-50) diagnostic tool, and to get a better understanding of the workers’ perceptions regarding safety and safety management at their workplace through complementary interviews. The results showed that the safety climate was generally positive and that employees were aware of the risks relating to their work. Riding schools commonly had routines in place for risk assessment and work environment management, but such routines were often lacking at trotting stables, indicating inadequate prioritisation of safety by the management. The main area that should be targeted to improve safety in the sector is employees’ prioritisation and non-acceptance of risks. Proactive instead of reactive safety management should be promoted, where safety is an integral part of daily work and all employees are encouraged to identify factors contributing to occupational injuries and develop strategies for injury prevention. © 2022 by the authors.

Place, publisher, year, edition, pages
MDPI, 2022
Keywords
Equestrian sport, Horse industry, NOSACQ-50, Riding school, Safety climate assessment, Safety culture, Trotting, Work environment
National Category
Agricultural Occupational Health and Safety
Identifiers
urn:nbn:se:ri:diva-59051 (URN)10.3390/ani12040438 (DOI)2-s2.0-85124323068 (Scopus ID)
Note

 Funding details: H-17-47-281; Funding details: AFA Försäkring, 190229; Funding text 1: Funding: The study is part of two joint projects with the overall aim of improving the work environment and safety in the Swedish equine sector. The research was funded by AFA Insurance, grant number 190229, and the Swedish-Norwegian Foundation for Equine Research, grant number H-17-47-281.

Available from: 2022-04-21 Created: 2022-04-21 Last updated: 2024-01-17Bibliographically approved
Bergman Bruhn, Å., Lindahl, C. & Andersson, I. (2022). With the stable as a workplace – about attractive, healthy and sustainable employments in the Swedish equine sector.. In: : . Paper presented at NES 2022 Work Well Ergonomics in an unpredictable world, 24-25 October, Uppsala, Sweden..
Open this publication in new window or tab >>With the stable as a workplace – about attractive, healthy and sustainable employments in the Swedish equine sector.
2022 (English)Conference paper, Published paper (Other academic)
National Category
Agricultural Science
Identifiers
urn:nbn:se:ri:diva-61475 (URN)
Conference
NES 2022 Work Well Ergonomics in an unpredictable world, 24-25 October, Uppsala, Sweden.
Available from: 2022-12-08 Created: 2022-12-08 Last updated: 2023-05-10Bibliographically approved
Arvidsson Segerkvist, K., Brunsø, K., Brønd Laursen, K., Cherono Schmidt Henriksen, J., Elsmark, J., Esbjerg, L., . . . Åkesson, U. (2021). Consumer driven innovation towards improved beef and lamb meat quality: Partnership project summary. Uppsala
Open this publication in new window or tab >>Consumer driven innovation towards improved beef and lamb meat quality: Partnership project summary
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2021 (English)Report (Other academic)
Place, publisher, year, edition, pages
Uppsala: , 2021. p. 36
Series
RISE Rapport ; 2021:37
National Category
Food Science Agricultural Science Animal and Dairy Science
Identifiers
urn:nbn:se:ri:diva-52781 (URN)978-91-89385-22-1 (ISBN)
Funder
Interreg Öresund-Kattegat-Skagerrak
Available from: 2021-04-06 Created: 2021-04-06 Last updated: 2023-05-25Bibliographically approved
Lindahl, C., Bergman Bruhn, Å., Bendroth, M. & Andersson, I.-M. (2021). Improving work environment and safety within the Swedish equine sector through novel methods and tools. In: : . Paper presented at Equine Cultures in Transition - Past, Present and Future Challenges, 2021.
Open this publication in new window or tab >>Improving work environment and safety within the Swedish equine sector through novel methods and tools
2021 (English)Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

The work environment in horse stables is known to be characterized by low mechanization, high physical workloads and high injury risks. The Swedish Work Environment Authority has also reported a lack of knowledge in the systematic work environment management and risk assessments as well as shortcomings regarding work environment and work conditions in the Swedish equine sector. The aim of this study was to identify, adapt and implement methods and tools for systematic work environment management, with emphasis on characteristics to stimulate motivation and commitment at work, in order to improve the work environment in the sector. The study had a participatory action research approach, and were conducted at four workplaces, two riding schools and two trotting stables, in Sweden. The employees were guided to identify the challenges in their work environment, both physical and organizational, through a combination of methods including surveys, interviews and observations. A workshop with the employees was then organized to discuss and prioritize actions needed to improve the work environment based on the identified needs, resulting in an action plan. The project group were coaching the workplaces through the action phase, including e.g. support to managers in the systematic work environment management, changing working routines and equipment, improving work ergonomics, and improving communication and information with digital aids. Preliminary results indicate that this approach can help to create involvement and motivation and to provide valuable insights on how to improve health and safety. The project was funded by the Swedish-Norwegian Foundation for Equine Research.

Keywords
Occupational health, implementation, participatory action research, systematic work environment management.
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:ri:diva-58489 (URN)
Conference
Equine Cultures in Transition - Past, Present and Future Challenges, 2021
Available from: 2022-02-07 Created: 2022-02-07 Last updated: 2023-05-10Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0003-3748-3918

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