The evidence for a causal link between disease and damaging behavior in pigs

Boyle, Laura (avtor), Edwards, Sandra A. (avtor), Bolhuis, J. Elizabeth (avtor), Pol, Françoise (avtor), Zupan Šemrov, Manja (avtor), Schütze, Sabine (avtor), Nordgreen, Janicke (avtor), Bozakova, Nadya (avtor), Sossidou, Evangelina N. (avtor), Valros, Anna (avtor)

Damaging behaviors (DB) such as tail and ear biting are prevalent in pig production and reduce welfare and performance. Anecdotal reports suggest that health challenges increase the risk of tail-biting. The prevalence of tail damage and health problems show high correlations across batches within and between farms. There are many common risk factors for tail-biting and health problems, notably respiratory, enteric and locomotory diseases. These include suboptimal thermal climate, hygiene, stocking density and feed quality. The prevalence of tail damage and health problems also show high correlations across batches within and between farms. However, limited evidence supports two likely causal mechanisms for a direct link between DB and health problems. The first is that generalized poor health (e.g., enzootic pneumonia) on farm poses an increased risk of pigs performing DB. Recent studies indicate a possible causal link between an experimental inflammation and an increase in DB, and suggest a link between cytokines and tail-biting. The negative effects of poor health on the ingestion and processing of nutrients means that immune-stimulated pigs may develop specific nutrient deficiencies, increasing DB. The second causal mechanism involves tail-biting causing poor health. Indirectly, pathogens enter the body via the tail lesion and once infected, systemic spread of infection may occur. This occurs mainly via the venous route targeting the lungs, and to a lesser extent via cerebrospinal fluid and the lymphatic system. In carcasses with tail lesions, there is an increase in lung lesions, abscessation, arthritis and osteomyelitis. There is also evidence for the direct spread of pathogens between biters and victims. In summary, the literature supports the association between poor health and DB, particularly tail-biting. However, there is insufficient evidence to confirm causality in either direction. Nevertheless, the limited evidence is compelling enough to suggest that improvements to management and housing to enhance pig health will reduce DB. In the same way, improvements to housing and management designed to address DB, are likely to result in benefits to pig health. While most of the available literature relates to tail-biting, we suggest that similar mechanisms are responsible for links between health and other DB.

• Jezik: Angleški jezik
• Ključne besede: welfare, health, lesion, risk, behavior, pig, tail biting
• Vrsta gradiva: Članek v reviji
• Tipologija: 1.02 - Pregledni znanstveni članek
• Organizacija: BF - Biotehniška fakulteta
• Status publikacije: Objavljeno
• Različica publikacije: Objavljena publikacija
• Leto izida: 2022
• Št. strani: 28 str.
• Številčenje: Vol. 8, art. 771682
• PID: 20.500.12556/RUL-134743
• UDK: 636.4:591.5
• ISSN pri članku: 2297-1769
• DOI: 10.3389/fvets.2021.771682
• COBISS.SI-ID: 95316483
• Datum objave v RUL: 28.01.2022

Gradivo je del revije

• Naslov: Frontiers in veterinary science
• Skrajšan naslov: Front. vet. sci.
• Založnik: Frontiers Media
• ISSN: 2297-1769
• COBISS.SI-ID: 3969402

Licence

• Licenca: CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
• Povezava: http://creativecommons.org/licenses/by/4.0/deed.sl
• Opis: To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
• Začetek licenciranja: 27.01.2022

Sekundarni jezik

• Jezik: Slovenski jezik
• Ključne besede: prašiči, etologija, obnašanje živali, anomalije v obnašanju živali, grizenje repov, poškodbe, bolezni, vzročna povezava

Projekti

• Financer: Drugi - Drug financer ali več financerjev
• Program financ.: COST - European Cooperation in Science and Technology
• Številka projekta: Cost Action 15134
• Naslov: GroupHouseNet