Control Measures of Abnormal Pig Behavior in Pig Farms
In the planning of pig industry development, the abnormal behavior of pigs is on the rise. The main manifestations are biting tails, biting ears, fighting between pigs and pigs, etc. The disease is also known as “anti-discomfort syndromeâ€. It is a lot of pig farms. One of the more common forms of behavior is evil. Pigs that are bitten can cause wound infections if not treated promptly. This infection can cause local inflammation and tissue necrosis, severely affect the pig's health and growth performance, reduce carcass quality, and cause unnecessary economic losses. Therefore, we must take targeted measures.
1 cause of the disease
A large number of experiments at home and abroad believe that the main causes of abnormal behaviors that can induce or promote tail biting and biting are nutrition, environment, and management. This phenomenon is particularly prominent when seasons alternate and temperatures change drastically.
1.1 Nutritional factors
When the nutritional imbalance in the diet can induce abnormal behavior. For example, when the protein level in the diet is low, the protein metabolism of the pig body will be disordered, and it will show some abnormal behaviors, including excitement and bite; when the mineral elements such as iron, copper, calcium, magnesium and salt are lack or proportion in the diet. Inadvertently, abnormal performance such as convulsions, intolerance to stress, and increased excitability of neuromuscular may occur, and it will also promote mutual biting and fighting. Vitamins are an important component of many metabolic enzymes in the body. When they are lacking, the body Metabolic disorders can occur, causing abnormal behavior.
1.2 Environmental Factors
Environmental factors mainly include harmful gases, temperature, and light intensity. For example, when the environmental sanitation conditions in the pig house are poor and the ventilation effect is poor, accumulation of harmful gases such as ammonia, carbon dioxide, and hydrogen sulfide in the house can cause irritation in the pigs. These stress factors can stimulate the occurrence of biting tails. . When the pig house is under high temperature and high humidity, it can easily cause itching on the pig's body surface, and it can also induce mutual bite. In harsh environments, noise, strong light and other factors promote the stress response of pigs and increase fighting.
1.3 Management Factors
If the rearing density is too large, the pigsty space is too narrow, the pigs are in conflict with each other, and they fight each other for food and drinking. When the group is transferred, the pigs need to be familiar with the troughs, sinks and loops. Within the various facilities, and the establishment of social order, when the pigs are usually very lively, often fighting, especially low-weight pigs are often the object of being bitten.
1.4 Other factors
When pigs have parasites such as lice and cockroaches, the pigs are irritated by skin irritation, rubbing on walls and railings inside the house, causing injuries and causing other pigs to bite.
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