Early signs of pig biting

From the posture of the pig's tail, it can be seen that tail biting occurs. These signs help managers to take preventive measures in a timely manner. If the pig is caught between the legs during the walking, most of the pigs are bitten. Seeing this situation, it is best to take precautions to avoid biting. This was discovered by Johan Zonderland of the Wageningen Institute. His work was published last month in the Journal of Applied Animal Behavior Science.

Dr. Zonderland observed nearly 1,000 early weaned piglets that had just been separated from the sows and were between 4 and 10 weeks old. He recorded the tail position of these unbroken piglets. Dr. Zonderland noticed that the posture of the tail includes several possibilities, such as curling, pointing straight back, swinging or being sandwiched between the two hind legs. He said: "In past studies, we have noticed that pigs with curly tails have not suffered any harm. Those who sandwiched their tails between their legs are all pigs that have experienced certain conditions."

He now conducts a quantitative study of this observation. In two observations, one-fourth of the pigs sandwiched their tails between their legs. After three days, their tails suffered serious damage. Twenty-two percent of pigs in this kind of pig can find other pigs' bite marks on their tails. Dr. Zonderland explained that the tail is a harbinger of the problem of tail biting, and tail biting may have occurred, but no damage has occurred on the tail.

In this way, pig producers can identify the occurrence of tail biting problems and prevent the occurrence of tail biting outbreaks. Even if you throw the straw in the pigs or give the pig two toys a day, it will be a great improvement, according to another study.

He added: "Once the tail is bitten and there is blood on it, it would be much more difficult to stop biting." The premise is that managers should regularly inspect the herd and carefully observe the behavior of the pig and its tail. posture. The investigator admits that if you have 3,000 pigs in your pig house, this observation is not easy. But there is no other alternative, because he has not yet been able to find out the universally applicable cause of tail biting.

"The story of each pig house is different," said Dr. Zonderland.


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