How can we prevent pigs biting each other's tails without having to resort to tail docking? The Centre for Animal Welfare and Adaptation (CAWA) has accumulated a great deal of expertise with the aim of resolving biting problems in pig farming. These solutions contribute to the joint objective of the government and the sector to eventually be able to keep animals without the need for interventions. The solutions are being looked at by the Krulstaart working group.
Tail biting and other forms of biting are a response to boredom, insufficient stimulation and frustration. As a result a pig may become frustrated, for instance if the climate is not ideal, if too many animals are being kept in a small space or if there is something wrong with the composition of the feed or the way in which the feed is provided.
Such biting can give rise to wounds. The taste of blood and the unease in the stall can lead to an escalation of the problem and other pigs starting to adopt the biting behaviour. It can even lead to cannibalism. Bite wounds may become infected, as a result of which growth may be inhibited and abscesses may occur, resulting in lameness, paralysis and even death.
Tail biting – even in the case of docked tailed – occurs at around 50% of all Dutch pig farms. It is estimated that tail biting costs the Dutch pig sector eight million euros every year.
At the initiative of LTO Nederland and the Dutch Society for the Protection of Animals (Dierenbescherming), a working group has been set up to address problems relating to biting within pig farming. These solutions contribute to the objective of eventually being able to keep animals without the need for interventions. The working group is expected to deliver its initial recommendations in the first half of 2013.
The Krulstaart working group comprises representatives from various interested parties within the pork chain: LTO, the Dutch Society for the Protection of Animals, veterinary surgeons, breeders, slaughterhouses, the animal feed industry and government bodies. CAWA at Wageningen University & Research is coordinating the process.
There is great motivation to address and resolve the problem. However, the biting problems are complex and dependent on many different factors. In recent years, we have not been able to prevent these problems occurring, and problems with animal well-being are therefore still seen.
The Krulstaart working group will explore the main factors influencing biting tendencies in greater detail, such as breeding, health, feeding, housing, climate and distractions. In the first half of 2013, the Krulstaart working group hopes to be able to announce a joint vision and strategy for the prevention of ear necrosis and tail biting in pig farming.
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