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Swine enteric diseases
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Peter Theobald, European Sales Manager for Addcon's feed additives, gave a lecture about salmonella control in pigs at the IPVS Congress 2010 in Vancouver and he talked to Engormix.com about a new product to control this disease....
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Professor Péter Gálfi, DVM., DSc, head of the Department of Pharmacology and Toxicology of the Szent István University (Hungary), has been coordinating different research projects for NOREL S.A. Recently, his team has determined the power ECOBIOL has to inhibit the growth of several pathogenic bacteria in in-vitro tests.
ECOBIOL, a Bacillus amyloliquefaciens probiotic, exerts its...
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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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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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Pigs are known carriers of the bacterium Yersinia enterocolitica , and they can infect both other pigs and people. Human infection occurs through eating improperly-cooked pork. Professor Truls Nesbakken of the Norwegian School of Veterinary Science is trying to rid pigs of the bacterium.
The professor, who already has 2 Norwegian doctorates (Dr. scient and Dr. med. vet.), recently defended his thesis for the degree of Dr. philos., entitled "Control of human pathogenic...
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Lice may often go unrecognized in a swine herd, even though these parasites are widely distributed among herds in the United States. Lice infestation is often not considered a serious problem, but it may lead to economic losses for the producer. It is important for the producer to watch for signs of lice infestation and to be able to recognize these parasites on swine.
About the...
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External parasites of swine are a serious problem for Florida producers. Arthropod parasites limit production by feeding on blood, skin, and hair. The wounds and skin irritation produced by these parasites result in discomfort and irritation to the animal. In Florida, the major pests on swine are lice, mange mites, ticks and stable flies, although horse flies, deer flies, mosquitoes and wound-infesting maggots may also cause severe problems. Hog...
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Agricultural production and the feed industry continue to suffer from losses caused by contamination with pathogenic bacteria and the associated consequences in livestock, such as reduced weight gain and increased mortality. Under such conditions, acidifiers consisting of organic acids or their salts offer a promising strategy to maintain feed quality and inhibit the growth of pathogenic bacteria inside the animal. The use of acidifiers has long been applied to both feed and food, where they...
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Salmonella is a significant food safety hazard of food and control of this organism will continue to be a challenge to the pork industry. Previous research shows that a higher Salmonella prevalence for pigs tested at slaughter, compared to when they are tested on farm. The stress of transportation and improper handling were blamed for causing this phenomenon. Stress has been suggested as a reason for increased Salmonella shedding and cross contamination between Salmonella-carrying and...
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Salmonellosis is a major food borne disease threat to public health. In Canada, Salmonella is the second most common bacterial food borne pathogen (after Campylobacter ) for which swine serve as a reservoir. Salmonella has a complex epidemiology. Despite copious research, there has been little progress in identifying cost-effective interventions for Salmonella on-farm. Significant strides have been made at decreasing Salmonella contamination at...
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Pork producers can now use Denagard® (tiamulin) 10 Medicated Premix to combat costly enteric diseases in pigs weighing more than 250 pounds. The Food and Drug Administration recently accepted the removal of the weight limit. “Denagard is effective in pigs and market hogs of all ages, and now with the weight restriction removed, producers can use the product to control disease in animals weighing more than 250 pounds,” says Steve Boren, head of the U.S. farm animal business for...
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Lice and mange mites are two common external parasites found on swine. Mange and lice infestations are increasing as confinement rearing increases, particularly mange. The crowding of animals promotes easier transmission. Hog lice are nearly 1/4-inch long and large enough to be easily seen with the naked eye. They are often overlooked, however, because of the slate blue color which may resemble the skin of the hog. Lice are first noticed in small clumps inside the ears...
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Internal parasites include various types of internal worms that can naturally infect pigs due to oral ingestion of worm eggs from the pig's environment (pen floors, dirt lots, deep bedding, etc.). Once ingested, internal parasites go through several life-cycle changes as they mature. They compete with the pig for nutrients and may cause tissue damage. Pigs that are heavily infested with internal parasites grow slower and are less resistant to disease and stress. In some cases liver damage due...
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Salmonella, a very important bacterium to study, causes Salmonellosis in animals and poultry, and is one of the main foodborne pathogens associated with meat and meat products. Each year in the U.S., there are approximately 1.4 million cases of human Salmonellosis and 600 reported deaths due to Salmonella-related food poisoning. In swine, clinical Salmonellosis is a common condition, causing great economic loss in the pork industry. An American study showed that two thirds of swine...
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Swine internal parasites (worms) are estimated to cost 250 million dollars annually in the United States but they are not considered to be swine killers. Internal parasites devitalize pigs by robbing them of essential nutrients and injuring vital organs. Pigs heavily parasitized are more susceptible to diseases such as scours and pneumonia. The resulting diseases and unthriftiness are a major cause of economic loss. Swine producers should be aware of the common internal parasites of swine and...
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Significant economic benefits were achieved by vaccinating pigs against ileitis in a trial conducted by Nottingham University’s vet school. The study was carried out in Australia using over 4,000 pigs known to have clinical or sub-clinical ileitis. Half were injected with Enterisol Ileitis, a vaccine manufactured by Boehringer Ingelheim Animal Health. Over 16 weeks (age eight to 22 weeks) the vaccinated pigs showed improved average daily liveweight gain, ranging from...
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Abstract presented at the 41st University of Nottingham Feed Conference. Our deep appreciation to the authors and the kindly cooperation of Prof. Julian Wiseman, Professor of Animal Production / Head of Division, Division of Agricultural & Environmental Sciences, School of Biosciences a the University of Nottingham, UK. ...
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Those who provide daily care for animals in production agriculture are acutely aware of the importance of animal health. From an economic perspective, as record systems (both performance and financial) used in animal agriculture have become markedly more sophisticated during the last two decades, they have increasingly shown the importance of keeping animals healthy for the economic strength of the production unit and the industry. Indeed, the willingness of animal producers to make...
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Nutrition, intestinal health, and the well-being of animals are intricately related. The gastrointestinal tract is a direct path by which pathogens can enter an animal, and if the protective mechanisms of these organs fail, those pathogens can colonize and/or gain entry into host cells and tissues. Mechanisms by which the gut protects against pathogen invasion include secretion of IgA, maintenance of a viable commensal microflora, maintenance of inhibitory physiological conditions,...
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A new University of Queensland study aims to improve understanding of a remarkable organism which is an important cause of diarrhoea in animals and humans.
Dr Darren Trott, a lecturer in UQ's School of Veterinary Science, is studying the intestinal spirochaete Brachyspira pilosicoli, a snake-like bacterium inhabiting the colon.
“This organism has consistently been identified as one of the major disease-causing agents (pathogens) leading to colitis in pigs and poultry,” Dr Trott said....
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