Causes and Preventive measures of Pig tail biting

Pig tail biting occurs in intensive and large-scale pig farms, and once it occurs, it is extremely difficult to stop, which will seriously affect the health and production performance of pigs and cause huge economic losses to farmers. Therefore, attention should be paid to the occurrence of pig tail bite in daily work, so what is the cause of pig tail bite? Let's take a look.

First, the cause of pig tail bite

1. Environmental reasons

When the breeding environment is too bad, such as the pig house temperature is too high, the humidity is too high, the manure is not disposed in time, the air quality is poor, the harmful gas concentration is high and the light is too strong, and so on, it will affect the normal rest and feeding of the pigs. make pigs sensitive and fight.

2. Nutritional reasons

When there is a lack of one or more nutrients in the diet of pigs, it will cause endocrine and metabolic disorders of pigs, resulting in some abnormal behavior of pigs. For example, the lack of protein and amino acids in the diet will cause the disorder of protein metabolism in pigs and cause pigs to bite each other excitedly; when lack of salt will aggravate the tail-biting behavior of geese; when lack of minerals, pigs will arch the ground and lick each other and bite each other and cause tail bites.

3. Heterophobia

Pigs have a good sense of smell and like to lick blood, so that when one pig bleeds after being bitten on its tail, it will cause other pigs to bite, so that when the wound gets worse, there will be a serious tail injury. Pigs have a strong ability to imitate, and if this behavior is not stopped in time, then the herd will imitate, causing tail biting to spread to the whole herd.

4. Be frightened

Being frightened is the main factor causing the phenomenon of pig tail biting. It is unreasonable to divide pigs into groups during breeding, resulting in great individual differences among pigs, which often leads to fighting among pigs. In addition, the methods of feeding, herding, weighing and vaccination are improper, or other animals rush into the enclosure to frighten pigs, which can easily cause stress reaction in pigs and make pigs show restlessness and bite fights.

II. Preventive measures

Cutting off the tail and cutting the teeth of piglets in time after birth is an effective measure to prevent the phenomenon of pig biting. The tail-cutting clamp method can be used to cut off the tail of piglets, so that no bleeding should be used to prevent wound infection. In the process of breeding, the group should be divided into groups reasonably, so that the group size is about the same, and the population density should be paid attention to at the same time. Generally, 10-20 piglets per group, 6-8 fattening pigs and breeding boars should be raised in a single column. Attention should be paid to the control of temperature, humidity and air quality in piggery, heat prevention in summer and motor heat preservation and cold protection, good ventilation conditions and reduction of toxic gas concentration. According to the nutrient requirements and the proportion of nutrients in different growth stages of pigs, the provision of nutrition should be determined according to the physiological needs of pigs at different stages.

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