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Swine health
Pig diseases can be caused by bacteria, viruses, protozoa, nutritional deficiencies, poisonous substances, internal and external parasites.
Bacterial diseases include swine erysipelas, swine dysentery, infectious poly-arthritis etc. Viral and mycoplasma diseases include African swine fever, swine influenza, enzootic pneumonia of pigs, vesicular exanthema of swine, transmissible gastroenteritis etc. Helminthiasis as a health problem in pigs is mainly caused by worms like the lungworm, ascaris worm etc. Nutritional diseases include piglet anemia, parakeratosis etc. External parasitic infections include mange, lice, jiggers etc.
How to tell that a pig is in bad health:
General signs: dullness, loss of appetite, labored or rapid breathing, sudden deaths, loss of weight, low weight gain and fever usually manifested by shivering of the pig.
Signs expressed on the skin: reddening of the skin or skin discoloration, loss of hair and hardening of some parts of the skin, itching and cracking of the skin.
Other signs: lameness, cough, abnormal nasal discharges, diarrhea with a putrid smell, abnormal content and color of feces and abortions.
J. García Sirera (Special Nutrients) was present at Pig Focus Asia 2010 and gave a lecture about the effects of endotoxins in swine. ...
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Dr. Gary Cromwell, from the University of Kentucky, talks about "Last century relevant studies in swine nutrition". The interview was recorded at the 15th edition of ABRAVES (Brazilian Society of Swine Veterinarians), held at Uberlandia, from the 26th to the 29th of October. ...
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Dr. Robert Glock, from the Department of Veterinary Science and Microbiology of The University of Arizona, talks about "Diseases caused by Clostridium in swine" and his current researchs at the Arizona Veterinary Diagnostic Laboratory. The interview was recorded at the 15th edition of ABRAVES (Brazilian Society of Swine Veterinarians), held at...
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Dr. R. Glock from the Department of Veterinary Science and Microbiology of the University of Arizona, talks to Engormix.com about diseases in swine, especially about costridial diseases in young pigs....
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The pandemic H1N1 influenza virus has been found for the first time in a commercial swine herd, Reuters has reported.
The affected herd was found in Indiana, according to the USDA who noted that both the pigs and their caretakers have fully recovered from the virus. USDA said the Indiana facility has continued its routine processing practices because it is safe for swine that recover...
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Department of Agriculture officials are encouraging monitoring and surveillance to mitigate the novel H1N1 virus' potential harm to U.S. swine herds.
But pork producers are submitting fewer influenza test samples to diagnostic laboratories, the chief veterinary officer for the USDA Animal and Plant Health Inspection Service said.
Dr. John R. Clifford, deputy administrator for Veterinary Services at USDA-APHIS, said Veterinary Services recently created guidelines on managing...
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Achieving Successful Protein Reduction: Possibility or Wishful Thinking?
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The porcine Circovirus type 2 (PCV2) is considered an important emerging pathogen in swine production. It has been associated to different syndromes and porcine diseases like the Porcine Dermatitis and Nephropathy Syndrome (PDNS) and the Post weaning Multisystemic Wasting Syndrome (PMWS). There have been found other infectious agents associated to PCV2, like the Aujeszky's disease Virus (ADV), Porcine Parvovirus (PPV), Porcine Reproductive Respiratory Syndrome Virus...
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Vietnamese animal health officials predict that foot and mouth disease (FMD), blue-ear disease (PRRS) and highly pathogenic avian influenza (HPAI) will soon return to the south of the country.
The Department of Animal Health under the Ministry of Agriculture and Rural Development report that foot-and-mouth disease is now in the Tay Nguyen (Central Highland) province of Dak Nong and central provinces of Quang Ngai, Quang Tri, Quang Binh and Ha Tinh.
It also said blue-ear disease,...
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Using vaccination to induce a robust immune response has been an effective strategy for managing infectious diseases in humans and animals for more than a century. Now, Agricultural Research Service (ARS) scientists and colleagues have found that a concurrent parasite infection significantly compromises the effectiveness of a commonly administered vaccine in swine.
The study was conducted by researchers at the ARS Diet, Genomics and Immunology Laboratory in...
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The novel influenza A virus (H1N1) has been found in a pig herd in New South Wales, Australia, as a result of human-to-pig transmission.
In a press release, Australian Pork Limited (APL) CEO Andrew Spencer said, "This isolated incident is now being handled in accordance with exotic disease response procedures under the supervision of New South Wales Department of Primary Industries, with the health and wellbeing of the animals of paramount concern. We expect the...
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Preliminary results from three researches indicate that the novel influenza A virus (H1N1) is transmittable in swine populations, earlier Swine Influenza Virus immunity does not seem to protect against the virus, but the novel virus does not seem to affect any other tissue than the respiratory tract.
A British study, released in the end of May and, coordinated by the Veterinary Laboratories Agency in Weybridge, UK, found that the virus can be transmitted among pigs,...
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ABSTRACT Birth to weaning is a high-risk period for piglets. The present paper reports the efficacy of supplementing the sows diet with Stimune® (specific fatty acids) to increase the survival of piglets by enriching the colostrum and stimulating the immune system of piglets. A trial involving 70 sows and their offspring compared two groups : a control group without marine fatty acids and a group supplemented with 50 g/day/sow (top...
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Argentinian authorities announced a national animal health alert as the influenza A (H1N1) virus had been detected on a second pig farm in the Buenos Aires province, Reuters reports.
"A state of alert doesn't mean there's high risk. It just means that the virus could appear in another farm,", commented Jorge Dillon, director of Senasa, the service for animal health and food safety in Argentina.
"This virus has pretty mild symptoms in pigs, and of course,...
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Parasites have been a problem for livestock producers for as long as there has been livestock. These parasites can cause economic loss to the producer in many ways including: decrease feed efficiency, increase time to market, and decrease carcass value. With modern swine rearing techniques, the emphasis on swine parasites has shifted toward three internal parasites and one external one. The internal parasites include the large roundworm (Ascaris suum), the whipworm (Trichuris suis), and the...
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Achieving Successful Protein Reduction: Possibility or Wishful Thinking?
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As modern swine production has evolved the industry has utilized both technological and scientific advancements, as well as adapting new management systems to successfully eradicate and control many diseases. However, even with these advances, swine producers and veterinarians are still continuously being challenged by disease and poor performance. One disease that seems to have evolved with modern swine production is respiratory disease. Now, more than ever,...
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Piglet coccidiosis is caused by a protozoan parasite called Isospora suis. Although Eimeria debliecki has been known to cause clinical disease in piglets, it seems that the only important pathogenic species known to cause clinical disease in piglets is Isospora suis. This disease is very hard to eradicate and is commonly found on pig farms. ...
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Free radicals cause problems and can affect the pig's immune system and subsequent performance. Antioxidants can ‘mop-up' these free radicals. Thanks to recent research and advancements in nutrition, a finely-tuned ‘team' of carefully balanced antioxidants can protect the pig from the damaging effects of free radicals and can help enhance fertility, immunity and growth rates. The production of free radicals is an inevitable result of...
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Porcine Intestinal Adenomatosus (PIA), or more commonly known as pig ileitis, comprises a disease complex with a group of conditions involving pathological changes in the small intestine associated with the intracellular bacterium Lawsonia intracellularis. The organism affects the mucosal epithelium of the small intestine, mostly the ileum and sometimes even the colon, causing hypertrophy with or without haemorrhage. The disease affects grower and finisher...
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The effects of H1N1 swine flu have been investigated in a group of piglets. Scientists writing in BioMed Central's open access Virology Journal studied the pathology of the virus, finding that all infected animals showed flu-like symptoms between one and four days after infection and were shedding virus two days after infection.
Roongroje Thanawongnuwech led a team of researchers from Chulalongkorn University, Bangkok, who infected 22-day old pigs with both the H1N1 strain...
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PrimerDesign Ltd, a UK firm founded by University of Southampton scientists, has won the race to produce the first DNA test kit for the Mexican swine flu.
The first shipment of rapid-results tests has been sent today directly to Mexico as well as many other territories to help authorities monitor the increasing number of suspected cases.
Project coordinator Dr Rob Powell said: "This past Sunday at midnight was a very special moment for us. We were able to show...
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