Re: CHINA - Unknown disease kills >1,000,000 pigs in 1 district alone
here is a translation with Babelfish and Google of a Chinese article
about the disease:
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Swine fever prevention and control how high?
[Posted from : machinery : Jian-Xong Chen Pig Association : 570 hits updating time : 2006?9−4]
Swine fever of unknown fever here #21363; #29482;
here syndrome is a higher incidence and mortality rates
The disease mainly occurred in the formative period of pig and some sows, in 21 clinical Table is the temperature increase, mental depression, food Inquiries should repeal or bearish, difficulty breathing and wheezing gas, some pig with skin flush Violet and other symptoms, a few pore bleeding.
For a wide range of major pathogenic viruses and bacteria,
The secondary mixed infections and parasitic infections , including swine fever virus (HCV), and porcine reproductive and shout absorption syndrome virus (PRRSV), swine influenza virus (SIV), pseudorabies virus (ADV), porcine circovirus disease drug type 2 (PCV-II) Actinobacillus actinomycetemcomitans and Actinobacillus pleuropneumoniae (APP), an Streptococcus suis type 2 (SS-II), Deputy Haemophilus Paratuberculosis (HP), Pasteurella multocida (PM), Pig mycoplasma pneumonia (MH), toxoplasmosis, attached red cell, Salmonella cholerae - suis (SC), etc. Bacteria infection.
By the end of May 2006, some areas Many farms and bred pigs and the Department of Growth Sow hours, unnamed high conservation pig pig fever, most suffering from pig fat pig disease
at the rate of more than 50% mortality rate is as high as 50 ?? 90% of pigs and pig farmers to a serious economic losses, which some farms bankruptcy.
Since the etiology complicated, the general mixed infection of the pathogen more clinical difficult to control,
treatment often ignored like, slow growth or stagnation caused Pig , invalidity pigs and dead pigs increase in feed Efficiency, and the growth rate of the whole Pig The evenness lower the cost of treatment increase Canada, suffered serious losses in pig production missing.
Feature 1.
The high temperatures in the season longer duration, generally 5?20 days,
the disease death rates were high.
2. Farms do not attach importance to this work, poor health concepts and technical personnel, not strike Georgia closed farms, not for the Pig The incidence of serious health farm system.
3. The weight of pig disease in general for middle 80kg, the highest incidence rates, but also the weaning Piglet disease.
4.
Drug treatment is not satisfactory,
indiscriminate use of drugs pig higher mortality. Clinical symptoms 40~42.5 ?? C temperature rise to the incidence pig. depression, anorexia or decreased intake Waste must, flush with pig skin, ear after ear Edge cyanosis, behind, and limbs and other tips multiple skin patches were purple red; breathing difficulties, I am pleased trees, the Department sub pig serious abdominal breathing, gas shortness of breath, or some performance was not pant Rules respiration; Some pigs suffering from a runny nose, sneezing, coughing and eye secretions increase Most pigs tears Cod, there conjunctiva Symptoms; Some Pig constipation, fecal Peru and shows a spherical, less hormone, mixed Mud color. longer disease course Pig pallor, anemia, Hair rough, some diseased pigs hind legs unable to individual
diseased pigs can not stand before dying.
Finally convulsions died. Pig disease
high mortality rates, and some even higher farms reached 50?90%.
Sow in late pregnancy, some (100 ?? 110 days) appeared abortion, stillbirth production, weak Aberdeen and mummies. Autopsy changes All have different way App
The pneumonia Autopsy shows the following symptoms :
1. Pulmonary edema, stiffen; Admission was not prevent a rubber-like lung disease interstitial pneumonia obviously like lungs like to show mottled brown Israel lesions (like marble); Most pneumonia infection, purulent favorite, the Department sub lung bleeding, hemorrhagic pneumonia, among quality significantly widened.
2. Extensive lymph node enlargement, in particular, inguinal lymph nodes and hilar lymph nodes.
3. Some App swelling of the liver, Yen pale-green color, there was some liver Loess color crisp, individual swine kidney, bladder, larynx and fats and heart center outside coating l bleeding; Some kidney enlargement App , become darker in color was brown or khaki , the texture crisp, disciplined phenomenon. there The diseased pigs Splenomegaly, obscure.
4. Pleural cellulose multiple serous Yan and peritonitis, and pleural and peritoneal have defibrillators Victoria protein leakage. individual lung serous Cellulose and pleural or pericardial adhesions.
Control Measures
The disease causes complex, the general diseased pigs After more bad fight should insist on prevention mainly through strengthening husbandry management, engaging good to prevent sunstroke and lower temperature, advancing health advance defense stepping up disinfection work and symptomatic treatment and other measures to reduce its incidence and death rate.
1. Adhere to the principle of self-support from the prosperity, defense only bought hidden infections.
2. Pig farm management attention , to minimize stress factors : ?? should do to prevent sunstroke and lower temperature for the summer for the increase sty ventilation and the use of cold water spray cooling measures to promote convection Progressive evaporation and heat; all doors and windows should sty Ministry and allow air convection. warm pig or higher installed a
cold shower spray Fog device spraying 4?6 times a day; ?? summer rearing density should be reduced, 0.8 square meters of living due pigs space, 12,000 square meters for the best bred homes / head , the number of pigs in each column and best left in the first 10?12 the right to maintain a reasonable density and reducing farmers Swine fever of unknown temperature can be controlled effectively and respiratory disease. ?? maternity protection, to Breeding #20840; used here strictly to keep the whole side out here #30340; style, avoiding too much age difference between the pig only mixed groups to raise and transfer to reduce Pig Mixed groups and the number of columns, where do the same Pig Pig and all the transfer, After each slaughter pig sty is strict ? Washing disinfection vacant for several days and then transferred to the new The Pig.
3. Pig and the environment needs to be regularly disinfected and reduce the content of pathogenic microorganisms.
Because HIV is not for ordinary disinfectants sensitive 
, especially PCV-a it ineffective as disinfectants, disinfection when choosing new, smaller irritation disinfectants, such as compound aldehydes disinfectant solution. During the 10-day period should be increased in incidence of disinfectant solution concentration by the concentration of 1:250,000, and the epidemic in the affected area 4?6 times daily near the external environment strict disinfection and medium-sized pig sows noon Pigs can bring (together even pigs) spray disinfectant. 1st disinfected daily life management area farms. 10 days, double the increase can be diluted into Bank disinfection, reducing respiratory health through pig The probability of HIV infection, such as influenza, to prevent the disease from spreading to epidemic control the spread of the disease will have better results.
4. Drug control measures : The disease is on prevention, big Pig scale incidence, treatment is generally not ideal. should not occur before the disease Adding antibiotic feed or drinking water Prevention should be a high incidence of swine fever of unknown increase drug prevention summit ago, when the epidemic , in light of anti-bacterial and mycoplasma Bacteria drug therapy can reduce losses, and Early in the water and feed the same time take measures Dosing light for administering injections of diseased pigs treatment to reduce secondary bacterial infection ?s death.
At present, more sensitive clinical farms net support the original drugs, according to farms The combination of market conditions using the method , to introduce the field of preventive health care dollars medication zoned. Sow drug control from the start health the source of bacterial diseases. ?? here #29482; unknown fever have occurred here #30340; Pig : Can be added to each ton of feed ?stanozolol ?sulfamonomethoxine 400 grams + 300 g / ton; from reduction in the prevalence of swine feed intake, adequate intake of therapeutic drugs can be Dosing in drinking water, the use of the penny bacteria and viruses, and antibiotics which are effective extract complex drug formulations, since the Pig by drinking 5?7 days. The incidence of pigs has been Isolation should keep meticulous care and make Astragalan and long-term use of sulfa injections injection treatment, one day on two occasions, used in conjunction with EI five days, in addition to drinking water into drugs therapeutic.
If diseased pigs infected pigs Fevers and other viral diseases, treatment poor. and treatment of serious illness The poor results of diseased pigs and timely, fruit constantly out to prevent diseases to spread. ?? formative period of growth : At 12?13 weeks of age and the use of the 17th-18th weeks effective preventive drugs may ton Effects of dietary fluoride Thiamphenicol + mycophenolate Firm 250-grams can add soluble in water antibiotics, the administration side pulse - was given one week, one week after the withdrawal, and then 1 week. ?? temperature of the hot weather or pig mass transfer column, vaccination, you should drink Add water resistant electrolyte multidimensional stress drugs, to reduce stress caused by pigs decline in the incidence of resistance groups opportunities. ??
lactation : Sows before and after one week in the Sow; adding antibiotics, feeding ton care of the words ?recreational? 400 grams of lomefloxacin ?? 2.5% 1,000 grams of prevention; 80% of the original contingent of 125 grams or net / ton gold ?300 g / ton amoxicillin + 150 g / ton Tim Canada to reduce bacteria contamination from sows pm complaisant homes, cut off from the disease to sow piglets Horizontal transmission. ?? weanling pigs : Weaned piglets from one week to four weeks ago
The piglets; adding antibiotics, in every tons of food additive of ?recreational? 400 grams + doxycycline 200 grams / ton; 80% support the original or a net of 125 grams / ton gold + mycophenolate - 300 g / t + amoxicillin 200 grams / ton, cut off Aberdeen Horizontal transmission of the disease among pigs and piglets. ?? regular insecticide : Roundworm, whipworm and other internal parasites damage to the immune system so that the resistance of swine declined, the larvae migrate, and pulmonary
Filariasis will increase respiratory lung disease disease, with insecticide to control drug The disease is a certain significance in continuously Two weeks into conservation homes piglets milk, choose the results of internal and external parasites Flooding Pest agent insecticide.
#29482; Here : An article on the prevention and control of high fever here #30340;
Comprehensive measures The following article : Pigs are suffering from anemia Related articles : No article Netizen : (only shows the latest 10. comment on the contents represent users view and has nothing to judge! ) Member e Gallant Pig total issued at all 2006?9−5 19:51:00 Comments : Rating : 3 hours Breeders requested increase, I understand Indonesia QQ611615260
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and another translation of that article:
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How guards against controls the pig high fever?
[
Author: Chen Jianxiong the extension pastes from:
The mechanization raises the pig association to click on the number: 570 renewals time: 2006?9−4 ] ?the pig does not have the famous high fever? is the pig high fever synthesis drafts, is one kind of disease incidence rate and a mortality rate higher disease, mainly occurs is nurturing Cheng Qizhu and the partial sows, the sickness pig clinical main performance for ????????,
the spirit sinks strongly fragrant, has a poor appetite or waste certainly, has difficulty in breathing, gasps for breath, the partial pigs partner has the skin to send ???? and so on the symptom purple, the minority pore has the hemorrhage spot.
The cause of disease mainly for many kinds of viral and the bacterium, parasite?s mix infection and continues sends the infection, Including the pig acute communicable disease virus (HCV), the pig reproduction and the breath synthesis draft the virus (PRRSV), the pig flu virus (SIV), the false rabies virus (ADV), the pig ring virus 2 (PCV-II) and the pig peripneumonia puts the line bacillus (APP), the pig streptococcus 2 (SS-II), the vice- pig ??Ѫ bacillus gets sick (HP), the killing Pakistan bacillus (PM), the pig ֧?*?? pneumonia (MH), the bow physique, attaches the red blood cell body, the pig cholera monk fungus much (SC) and so on the bacterium mix infection.
Starts from 2,006 at the end of May, certain local many pigs fields, the growth nurture Cheng Zhu and the partial sows, the care pig explode the pig not to have a high fever, the majority arise the pig field trouble pig
disease incidence rate above 50%, the mortality rate reaches as high as 50 ~ 90%, the field and raised the pig household for the pig to create the serious economic loss, some pigs field therefore went bankrupt.
Because this sickness cause of disease complex, f
or the multi- causes of disease mix infection, on clinical is generally more difficult to control,
the treatment result is not often ideal, creates the pig Ⱥ????to be slow or to stagnate,
the sick and disabled pig and the death pig only increases, the feed efficiency, the growth speed as well as the pig group overall uniformity reduces, the treatment cost increases, causes to raise the pig production to suffer the serious loss.
Arises characteristic
1.
Occurs in a temperature higher season,
the course of an illness long, about 5 ~ 20 days,
the case fatality rate is generally high.
2. The pig field to guards against the work not to take, the technical personnel health care idea is bad, not the strict seal pig field, has not carried on the system to the pig group the health care pig field to arise seriously.
3.
Arises pig?s body weight in 20 ~ 80kg, the disease incidence rate is generally highest, also has is weaned the after young pig to arise.
4.
Medicine treatment result not too ideal,
abuses the medicine the pig field mortality rate to be higher.
The clinical symptom arises the pig ????????
to 40 ~ 42.5 ??,
the spirit sinks strongly fragrant, picks the food quantity to drop or the appetite waste certainly, contracts the pig skin to blush, after ear ear bodily many place skins spottiness and so on edge cyanosis, hypogastric and four limbs end massive, assumes the purple red; Has difficulty in breathing, happy bends down lies, the partial pigs appear the serious abdomen type breath, the asthma are rapid, some performance gasp for breath or assume the irregular breath; The partial troubles pig flows the nasal mucus, sneezes, the cough, the eye secretion increases, the majority of pigs have the tear spot, has the conjunctivitis symptom; The partial pigs group constipation, the excrement ?ؽ?, assumes spherically, urinates Huang Ershao, is muddy, the color deepens.
Course of an illness slightly long sickness pig whole body pale, appears the anemia phenomenon, by Mao Culuan, after the partial sickness pig the extremity is been incapable front, the individual sickness pig is on the verge of death cannot stand, the final whole body twitches dies.
Arises the pig group mortality rate to be very high, some pig fields even reach as high as 50 ~ 90%.
The partial sows are being pregnant the later period (100 ~ 110 days) to appear the miscarriage, produces the still birth, weak young and mummy.
Splits all examines the change to die of illness the pig to appear the varying degree the pneumonia,
splits examines obviously below the symptom:
1.
The lung swelling, changes hardly;
Assumes rubber shape lung which cannot contract, the nature pneumonia symptom is obvious,
the lungs present the motley shape to the brown pathological change (marble type); The majority all mixes the infection pneumonia, has the suppuration stove, the partial pigs hemorrhaging from the lung, the hemorrhage pneumonia, the nature obviously increases the width.
2.
The lymph node widespread is tumescent, specially inguen lymph node and lung hilus lymph node.
3.
Some die of illness the pig liver swelling, face discoloration pale, some livers assume yellow ashen, the nature is crisp, the individual pig kidney, the urinary bladder, the throat, ?Ĺ?״?? in the fat and the heart ??Ĥ and so on has the hemorrhage spot; The part dies of illness the pig kidney tumescently, face discoloration deep, assumes brown or the earth yellow, the quality of material is crisper, has ??Ѫ the phenomenon. Some sickness pig spleens tumescent, the nature is crisp.
4.
The sending size textile fiber natural disposition pleurisy and the peritonitis, the chest cavity and the abdominal cavity have the fibrin seeping out. Individual pig lung ??Ĥ and pleural membrane or pericardium textile fiber natural disposition adhesion.
Guards against the system measure this sickness cause of disease to be complex, after sickness pig is not generally better, prevents and controls should persist prevents primarily, through strengthens the raising management, does well prevents heatstroke the work, the health care prevention, strengthens the disinfection work ahead of time, measure and so on just right for the illness treatment, reduces its disease incidence rate and the mortality rate.
1.
Persisted from numerous is self-supportive the principle, prevented buys into the silent infection pig.
2.
The value pig group raising supervisory work, reduces each kind to be supposed as far as possible to stir up the factor:
(1) summer should complete prevents heatstroke the work,
enlarges the hog house ͨ???? and with temperature decrease measure and so on cold water atomization, evaporates through the convection promotion with the radiation; The hog house windows and doors should completely open, let the air convection. The temperature compares Gao Shi or installs the atomizing device with the cold water flushing pig body, every day sprays 4 ~ 6;
(2)
summer should reduce the raising density, the growth pig should have 0.8 square meter above the life space, nurtures Cheng Shezui to be good is 1.2 square meters/heads, each fence pig?s quantity should better about 10 ~ 12, maintain the reasonable raising density and the temperature decrease may effectively control the pig not to have the famous high fever and respiratory tract sickness.
(3)
from the childbirth, the care, to nurtures strictly uses ?all enters entire? the raising way, avoids only mixing the date age difference too big pig group raising, reduces the pig group extension fence as far as possible and mixes the group the number of times, achieves the identical hog house at the same time the pig group all to exit, leaves the pen the hog house after each batch of pigs to have to pass through the strict flushing disinfection, after vacant several days change over to the new pig group again.
3.
The hog house and the environment need the regular disinfection, reduces the pathogenic microorganism the content. Because the virus is insensitive to the ordinary disinfectant, specially the pig ring virus, the common disinfectant does not play to it the role, when the disinfection should new choose, an irritant smaller disinfectant, if the compound aldehyde class disappears the venom, in 10 days planted agents which arises enhance the disinfectant fluid the density, according to 1:250 density, the external environment carries on 4 ~ 6 strict disinfection every day to nearby the epidemic disease area and the epidemic disease area, the sow and the major and medium pig noon when may bring the pig (continually pig together) to atomize the disinfection, the pig field life administrative district disinfects every day 1 time. The 10th day start, may enlarge a time of dilution to carry on the disinfection, reduces the healthy pig to infect virus?s the and so on flu through the respiratory tract probability, prevented this sickness proliferation spread, to controls the epidemic disease the dissemination to be able to get up a better effect.
4.
Medicine control measure:
Should be seriously ill in prevents, when the pig group large-scale arises, the treatment result is not generally ideal.
Before should has not occurred at the epidemic disease in the feed or the potable water increases the antibiotic to carry on the prevention, should not have the famous high fever in the pig to arise the peak ahead of time to add the medicine prevention, when the epidemic disease occurs, and ֧?*?? carries on the antibiotics treatment in view of the bacterium to be possible to reduce loses, should early take the measure while the potable water and the feed Ͷҩ, the union injection carries on the treatment to sickness pig, reduces the death which the bacterium two infections causes.
At present the pig field clinical more sensitive medicine has originally only to wait, the pig field may act according to ???? the situation to use jointly with the medicine means, the formulation ???? prevention health care plans with the medicine.
Starts from the sow with the medicine health care to control the bacterium epidemic disease the source.
(1)
pair has had ?the pig does not have the famous high fever? the pig group:
May increase ?in each ton feed to add Kang the? 400 grams + ?ǰ? between armor oxygen pyrimidine 300 grams/tons; Because is sick the pig group to pick the food feed to reduce, cannot absorb the enough treatment quantity the medicine, should simultaneously in the potable water China and Canada medicine, use to the bacterium and the viral effective antibiotic and the Chinese native medicine withdraws the thing compound preparation, lets the pig group freedom drink with 5 ~ 7 days.
To the pig which arises should only isolate raising, carefully nurses, and uses the yellow ?? polysaccharide and the persistent effect ?ǰ??? injection carries on the injection treatment, 1 day 2, including use 3 ~ 5 days, simultaneously increases the medicine in the potable water to carry on the treatment. If sickness pig mix infection pig acute communicable disease and so on virulent disease, then the treatment result is not good. To condition specially serious and treatment result not good sickness pig, should be prompt, the decisive elimination, prevented the epidemic disease disseminates.
(2)
growth nurtures Cheng Qi: Carry on the prevention in 12 ~ 13 weeks ages and 17 ~ 18 weeks ages uses effective drugs, may increase the fluorine Thiamphenicol + force mildew element 250 grams in each ton feed, also may increase the soluble antibiotic in the potable water, uses the pulse for the medicine way, including uses 1 week, after stops the medicine 1 week, then uses the medicine 1 week.
(3)
when burning hot high temperature weather or pig group extension fence, injection vaccine, should increase the multi-dimensional electrolyte in the potable water and so on anti- to be supposed to stir up the medicine, reduces as far as possible in accordance to violently causes the opportunity which the pig group resistivity drops arises.
(4) nursing sow:
May each 1 week-long sow foresee accurately the increase antibiotic around the sow childbirth, in each ton feed increases ?to add Kang the? 400 grams + 2 5% Lome sands star 1,000 grams to carry on the prevention; Or with 80% originally have net reduction 125 gram/ton + ??ù?? 300 gram/ton + Arab League not Xilin 150 grams/ton increase, the sow to discharge the germ pollution childbirth shed, shuts off the disease from the sow to the young pig?s level dissemination.
(5)
is weaned the young pig:
The young pig is weaned first 1 ???? to be weaned the latter 4 week-long young pig to foresee accurately the increase antibiotic, increases ?in each ton feed to add Kang the? 400 grams + force mildew element 200 grams/tons; Or with 80% originally only 125 gram/ton + ??ù?? 300 gram/ton + Arab League not Xilin 200 grams/tons, shuts off the young pig and between the young pig the disease level dissemination.
(6)
regularly drives the insect:
In vivo parasite harm organism immunity system and so on roundworm, whip insect causes the pig group resistivity to drop, the roundworm young insect ???? and the lung silk insect can aggravate illness after the lung which the respiratory tract gets sick, therefore the coordinate medicine drives the insect to control this sickness development to have the certain significance, should after be weaned the young pig to change over to the care shed 2 weeks, chooses the parasite effect obvious drives the insect medicinal preparation to in vivo outside to carry on drives the insect.
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