Since May 2006, many swine farms in Jiangxi Province have developed the "Pig Unnamed and High fever" syndrome. The disease has a high rate of transmission and high mortality (part of the pig farm is completely destroyed).
Swine disease profile
In late May, a high-grade fever, anorexia, drowsiness, vomiting, diarrhea, constipation, runny nose, cough, increased eye discharge, abdominal breathing, and systemic skin redness were the main symptoms in some pig farms in Nanchang and Fuzhou, Jiangxi Province. Acute infectious diseases.
The epidemic has caused pandemic fears for the high mortality rate, rapid infection rate and low cure rate. Many experts have treated this disease as a swine fever, blue ear, eperythrozoon, pseudorabies, toxoplasmosis, and so on. All of them have failed to use antibiotics for this disease. Clinical symptoms Piglets: The onset is not high during lactation. It may be that colostrum is related to providing maternal antibodies to piglets. It may also be that the disease is in the incubation period; cough, pneumonia, fever, and many deaths of piglets are starved and died of disease due to insufficient lactation.
Sows: Increased body temperature and severe constipation can lead to miscarriage and pneumonia.
The condition will spread and the large group manifests itself as anorexia. Sudden respiratory symptoms, including cough, pneumonia, hyperthermia, and anorexia, spread quickly and the reproductive system is affected.
After sows weaning, the number of estrus days increased, the number of sham sows increased (up to 50% in individual pig farms), and the miscarriage rate increased, especially late abortion.
The increase in the rate of stillbirth and childbirth is increasing. The number of mummified fetuses increased, postpartum sows lacked milk, increased body temperature, and induced other diseases such as blood protozoa and streptococci.
Anatomy
The main pathological changes were lymphatic swelling, especially in the superficial inguinal lymph nodes. The section was wet and eversion, and the blood was heavily congested. The visceral lymph nodes, including bronchial and axillary lymph nodes, and mesenteric lymph nodes were also significantly swollen. Some were khaki-yellow, some were blushy, and the tonsils were congested. .
Pulmonary pleura and lung adhesions Adjacent to the lungs, collapsing of adipose tissue occurs with colloid-like atrophy, and some lung atrophy. Almost no respiratory function is lost. There are jelly-like substances and lung tissues are all meat-like degeneration and severe loss of gas exchange capacity.
Trachea, bronchial with a large number of foamy mucus or light yellow thick mucus, gastric ulcer with obvious gastric lesions, swollen spleen color black.
Investigation
Most of the early outbreaks of the disease occurred in pig farms where pigs were purchased and pigs were not reared, and then spread to self-breeding and self-breeding pig farms. In the early stages of the pig farm, it began to erupt in Jiangxi, Hunan, Guangdong, Hubei, Anhui, Jiangsu, and Zhejiang before the end of July and early August.
The majority of pig farms that initially developed disease (80%) were infected with No. 5 disease or infectious gastroenteritis and epidemic diarrhea before and after the Spring Festival. Most of the affected farms used homologous feed (plasma, blood globulin powder, or intestinal membrane protein powder, mold contaminated corn, local rice husks, high copper sulfate, and high zinc oxide feeds). Diseased pig farms have excessive density, poor ventilation, poor sanitation, insufficient drinking water, poor “feng shuiâ€, and disorderly management. The disease erupted from the first case to the last case on a farm, with an interval of about 20 days.
The disease does not occur at the same time in all pigs on a farm for several days. It is the staged onset of pigs of different ages (70% starts with fat pigs, nursery pigs and 30% starts with sows). After the onset of illness, if the “conservative†therapies (supplements of electrolytes, energy, reduced density, enhanced ventilation, cooling, and disinfection) have a mortality rate of more than 30%, if using antibiotics and vaccines, the mortality rate will exceed 60%. Discussions and analysis of pig farms infected with No. 5 disease or epidemic diarrhoea and infectious gastroenteritis before and after the Spring Festival, the health status of the pigs is in a severe sub-health state. During the Spring Festival, most of the pig farmers are busy enjoying the Spring Festival. The pig farms have too many management loopholes. After the Spring Festival, the climate change was bad (except for temperature). For example, in early March in Jiangxi, heavy snowfall was also experienced. The pig industry has grown too fast in recent years, mainly relying on high profits, bank loans, borrowings from friends and relatives, and feed deficits to develop. However, the price of pigs fell too fast after the Spring Festival, and pig farmers not only lost profits but suffered serious losses...
A vicious circle is formed (no strength, no benefit, no borrowing, no hope, most pig farmers are busy with "money" and inability to manage pigs, and unconditionally choose high-quality feed (raw materials), resulting in the use of mycotoxins in feed ingredients. Severe pesticide residue Since the end of last year to the beginning of the year, the nationwide pig population has been drastically reduced, and many veterinary drugs and vaccine sellers are not profitable.
After the occurrence of the pig disease, some profiteers who lost their conscience maliciously speculated, looted, and made a big fortune. Many pig farmers have been abused for antibiotics and abused their vaccines because of the sudden illnesses of their “fudges†(misuse of drugs and vaccines for pig health care and prevention). According to the above analysis, I personally think that the pigs are in a sub-healthy state before the Spring Festival. During the Spring Festival, the pig farm management left severe sequelae. After the Spring Festival, the climate is abnormal, and the mycotoxin in the feed is severe, causing the pigs to have increased stress and immunosuppression. , induces swine flu. Influenza - the fuse of the "avian SARS outbreak"! ! !
After the pig became infected with the flu, it caused secondary diseases such as orchids and swine fever. In addition, the swine abused antibiotics and indiscriminately used the vaccine to cause pigs to become immune to paralysis and immune disorders. Blue Ear Disease - Explosive Pack of "Pig SARS Outbreak"! ! !
Some experts are affected by factors such as time, space and business orientation. After the scene, they only see the outbreak symptoms (the tip of the iceberg) in the middle and later stages. Disease = Poor ventilation Density Stress stimulates water deficiency Mycotoxins ...
Moreover, some experts did not make comprehensive system analysis according to the epidemiological investigation of epidemiological rules, and concluded that "like a scorpion touched the elephant". The result was that naturally the pig-raising people took improper measures...
Immunosuppressive immune disorders in pigs
Immune numbness caused trouble! Responses
Fire prevention is more important than fire fighting!
Establish a pig farm firewall as soon as possible! ! Firewall A “feng shui†profoundly assesses the dependence of Feng Shui on the healthy growth of pigs. Firewall B disease from the mouth into the feed from the source to effectively make "sick from the mouth into" food-borne pathogens prevention. Diseases from the mouth into a raw material field pollution, the replacement of raw materials, the selection of mycotoxin adsorbent! ! !
Hygienic standardization control of feed storage, processing, and feeding processes. Disease from the mouth into the intestinal mucosa of the immune system to protect the high copper, high zinc, homologous feed and other hazards to the pig.
Firewall C Andover Air Blocking Virus
Scientific air-blocking measures in place: blocking drug (disinfection) selection, blocking (disinfection) frequency and methods. Firewall D Fuyuan Guben Fuyuankang is guided by the concept of traditional medicine "Fuyuan Guben", uses biochemical probe technology and traditional Chinese medicine of the motherland to release animal immunosuppression, correct immune disorders, build a healthy platform, and recover at the molecular level. Normal immune function. Anduo Fu + Fu Yuankang built a "golden partner" of the firewall during the "avian SARS epidemic"! For infected pig farms, adopt "conservative" therapies for conservative treatment A, reduce the population density, strengthen ventilation, and reduce temperature. Fever pigs weighing more than 40 kilograms can use tap water to cool and cool; B. Strengthen drinking water and add Weibao to each ton of drinking water. -500 two kilograms + analginine powder 200 grams + 5 grams of Deanixue; C, 90% sow nutrient pie +5%; and Naimmy + 5% baking soda feeding pigs with poor appetite; D, per ton In the feed, add VC 300 g + VE 200 g + 3 kg Natalie + 3 kg glucose and several compound enzymes and probiotics; E. It is best not to vaccinate and abuse antibiotics for infected pigs (suspected pigs).
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