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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.
Introduction Necrotic ear syndrome or ear necrosis in pigs has been reported as an increasing health problem in many countries with intensive pig farming. 1 It is characterized by large erosive lesions at the margin of the pinna(e) in both sexes. It occurs mainly in weaning pigs and growers/ fatteners with bodyweight ranging approximately from 10 to 40 kg. 2 The earliest lesions are normally visible on the ear' tips at 6-7...
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Iowa-based animal vaccine producer, Harrisvaccines, was announced as the recipient of the 2014 World Pork Expo New Product Tour Producer’s Choice Award.
Sponsored by National Hog Farmer, this coveted award honors a product for its exceptional quality and unique technology. Harrisvaccines’ is proud to receive this honor for Porcine Epidemic Diarrhea Vaccine, RNA, the only PEDv available on the market today. This...
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Weaned piglets on a diet with in-feed antibiotics still exhibit ear tip necrosis. Is it possible that endotoxins play an important role in this? Please let me know what you do to prevent or cure ear tip necrosis in weaned piglets. Thank you! ...
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Meningitis is a serious complication of Streptococcus suis bacteremia in young piglets. This microorganism is also an emerging human pathogen that has been recently implicated in a case of meningitis in a swine handler (Wertheim et al., 2009; Fowler et al., 2013). In order to access and infect the brain meninges, blood-borne S. suis must penetrate the blood-brain barrier of affected animals or humans. The purpose of this article is to briefly...
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1 Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom 2 Veterinary Laboratories Agency (AHVLA), Bury St Edmunds, Suffolk, United Kingdom 3 Veterinary Laboratories Agency (AHVLA), West House, Thirsk, North Yorkshire, United Kingdom, 4BQP Ltd, Stradbroke Business...
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The USDA will require reporting of Porcine Epidemic Diarrhea Virus and Swine Delta Coronavirus to slow the spread of the diseases.
USDA is acting because of the devastating effect PEDV has had on the swine industry, said ag secretary Tom Vilsack.
PEDV and SDCV only affect pigs, pose no risk to people and aren't a food safety concern.
"USDA has been...
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Front. Cell. Infect. Microbiol., 13 March 2014 | doi: 10.3389/fcimb.2014.00020 Received: 28 November 2013; Paper pending published: 09 January 2014; Accepted: 05 February 2014; Published online: 13 March 2014. Edited by: Jan Rupp, University of Lübeck, Germany Reviewed by: Thomas Rudel, University of Wuerzburg, Germany Andreas Pospischil, University of Zurich, Switzerland Copyright © 2014 Schoborg and...
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Introduction
H. parasuis is considered one of the most important bacterial pathogens affecting pigs. Vaccines and other management strategies have not always been successful in controlling the losses associated to H. parasuis . This bacterium frequently colonizes the mucosal of the swine upper respiratory tract. Oliveira et al., (2004) showed that exposure of young pigs to a low dose of...
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NEW TEST, COUPLED WITH LAST JULY’S RAPID DETECTION TEST, BRINGS PORCINE EPIDEMIC DIARRHEA VIRUS (PEDV) DIAGNOSTICS UP TO SWINE INDUSTRY DISEASE MONITORING STANDARDS.
The University of Minnesota College of Veterinary Medicine has developed a second porcine epidemic diarrhea virus (PEDV) diagnostic test to help stem the spread of the virus currently threatening North American swine populations.
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A revised licence for the vaccine Suvaxyn™ MH-One will provide a new opportunity for pig producers to extend protection against Mycoplasma hyopneumoniae.
The vaccine is now approved for use from seven days of age with a two-week onset of immunity, which means that piglets can be protected by three weeks of age when they are commonly already infected with M....
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Introduction During the period of 1976-2007, 1.4 to 16.7 deaths per 100,000 persons were influenza-associated in the United States each year [1]. In addition to the significant mortality and morbidity associated with influenza virus in the human population, influenza A virus (IAV) is a common pathogen in many animal species, including pigs. Influenza virus has been considered widespread in the United States pig population since first described...
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A good biosecurity program is essential for the improvement and maintenance of the genetic potential and productivity of farm animals. Disease outbreaks on farms affect productivity...
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INTRODUCTION Lameness in swine, poultry, horses, and cattle have a large negative economical impact to livestock producers (Corr et al., 2003). Multiple definitions of lameness are used. Merriam-Webster (2008) defines lameness as “having a body part and especially a limb so disabled as to impair freedom of movement” while Wells (1984) defines lameness as ”impaired movement or...
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Fumonisins—mycotoxins produced by several Fusarium species, especially Fusarium verticillioides (F. moniliforme) and proliferatum—have been reported in animal foods and corn-based human foods from around the world (1,2). Fumonisins alter sphingolipid biosynthesis, induce hepatotoxicity, and elevate serum cholesterol concentration in all species studied. Other effects are species specific: pulmonary edema and...
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1. INTRODUCTION Porcine Reproductive and Respiratory Syndrome (PRRS) since its first report in the late 1980s in Western Europe (Wensvoort et al., 1991) and North America (Keffaber, 1989) has caused a significant economic impact on the global swine industry (Neumann et al., 2005). The aetiological agent of PRRS is an RNA virus (PRRSV) of the order Nidovirales, family Arteriviridae, genus...
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I am a small pig farmer in Thailand (80 sow / 8 boars / 60 gilt farm). Our farm primarily is in the business of raising piglets for sale at 35 days as market finishing pigs - we only raise finish pigs from piglets that do not reach our standards for sale to the public. We also raise gilts and sell sperm. In Thailand, and all bordering countries, there is currently a large problem with PRRS. We, piglet sellers, were first restricted to selling piglets...
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Introduction The principal characteristic of Atrophic Rhinitis (AR) is a reduced growth rate due to the atrophy of the nasal turbinates caused by the dermonecrotoxin (DNT) released by Pasteurella multocida toxigenica (1). Sows vaccinated against AR produce elevated levels of antibodies which are passed to their offspring via the colostrum. The antibody titer against DNT is directly correlated with...
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1 Harrisvaccines Inc., Ames, IA 50010, USA 2 Immunobiology Program, Iowa State University, Ames, IA 50011, USA 3 Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA 4 Department of Animal Science, College of Agriculture, Iowa State University, Ames, IA 50011, USA and 5 Department of Veterinary Diagnostic and Production...
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*Harrisvaccines, Inc.; †AlphaVax, Inc; ‡Harrisvaccines Inc., Ames, IA; §University of Kentucky, Livestock Disease Diagnostic Center; #Alphavax Human Vaccines; **Alphavax; ††AlphaVax Human Vaccines; §§AlphaVax and ¶¶ Iowa State University Accepted October 29, 2009 Abstract ...
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