The cause of death of pigs
In the process of raising pigs, pigs may develop a variety of diseases, resulting in death, this phenomenon generally occurs in piglets and large pigs. So what are the causes of pig death?
I. Acute digestive systemic diseases
Acute peptic systemic disease mainly includes acute gastric ulcer, intestinal bleeding syndrome, clostridium enteritis (porcine red dysentery) and other diseases. In pigs with acute gastric ulcers, the body surface is pale, accompanied by vomiting, and finally dies suddenly. Intestinal bleeding syndrome is difficult to detect. Generally, it occurs in boars or fat pigs at the age of seven or eight months, which is mainly caused by stress response. Clostridium enteritis (porcine red dysentery) mainly occurs in piglets born about a week ago.
II. Respiratory diseases
Respiratory disease mainly refers to acute infectious pleuropneumonia, which can also lead to sudden death in pigs. The characteristic of this disease is that pigs suddenly fall to the ground and die, but before that it also has characteristics, such as shortness of breath and the flow of reddish foamy liquid. Well, when this phenomenon occurs, we have to treat it in time, otherwise the chance of death is very high.
Sudden death stress syndrome
In fact, sudden death is very easy to explain, and generally if you die for this reason, there is no sign, so it is the most difficult to deal with. For example, boars are overexcited during mating, which can also lead to sudden death, or excessive shock, overreaction to stress in the process of group transfer and transportation, which are all the causes of sudden death.
Classical swine fever blue ear disease
Classical swine fever is an acute and highly contagious disease, which may have died before it has been resolved, as is the case with the hot African swine fever, so the mortality rate of live pigs is extremely high. Blue ear disease is an acute and highly fatal disease caused by a variant of porcine reproductive and respiratory syndrome virus. When blue ear disease occurs in pigs, there will be a rapid increase in body temperature, conjunctivitis, eyelid edema, cough and asthma, and eventually die suddenly.
There may be other causes of pig death, such as swine erysipelas, mycotoxin poisoning, piglet edema disease, white muscle disease and so on, so it is necessary to raise scientifically, do a good job in daily management and vaccine prevention and control.
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Heat stress symptoms of pigs
Pig heat stress refers to the sum of non-specific physiological responses of animals in high temperature environment to thermal environment. In the process of raising pigs should be carefully observed, if there are symptoms of pig heat stress should be timely treatment. So what are the symptoms of heat stress in pigs?
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Culture conditions of Osmanthus fragrans
Sweet-scented osmanthus fish is a specialty fish in Guangxi, its meat is tender and smooth, the fine thorns are less, the soup boiled out is very delicious, and the market demand is good. What are the conditions for the culture of osmanthus fish? Sweet-scented osmanthus fish culture conditions 1. The ponds for raising sweet-scented osmanthus fish require good bottom quality and good bottom quality.
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