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Bacterial diseases in poultry
Bacterial diseases comprise approximately half of the non–outbreak-related mortality in broiler breeders and commercial layers. During the first week of a broiler's life, approximately 50% of the mortality may be caused due to bacterial infections. Outbreaks due to bacterial infections may increase the mortality dramatically and in some cases almost eradicate flocks. E. coli and Gram-positive cocci infections are responsible for mortality and production losses in poultry of all age groups and all production systems and may be regarded as multifactorial. Subsequently, efforts in understanding and controlling these infections are highly important. Although necrotic enteritis is primarily a disease affecting young chickens, this infection is of major significance in any production system. Besides increased mortality, the production losses observed in subclinical infections may be dramatic.
Salmonella bacteria, which can cause potentially fatal food poisoning, were detected in more than 26 percent of egg-producing farms surveyed by the Japan Poultry Association (JPA).
Although the figure is on par with the 20-30 percent estimated average in the European Union, questions remain about the infection rate in Japan.
Not only was the JPA's salmonella survey the first conducted on a nationwide scale, it also covered less than 6 percent of the layer farms in the country.
In...
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Texas Tech University researcher Dr. Mindy Brashears has developed a treatment shown to reduce foodborne pathogens such as salmonella and E. coli 0157:H7 in processed beef and poultry.
In a seeming paradox, a mixture of "good" lactic acid bacteria kills "bad" bacteria to reduce foodborne pathogens such as salmonella and E. coli 0157:H7 in processed beef and poultry by as much as 99.99 percent.
The mixture, to be sold under the name Bovamine Meat Cultures, has passed GRAS (generally...
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A new report released today by the European Food Safety Authority (EFSA) shows measures used to reduce salmonella contamination on layer flock holdings appear to be working.
Vets who tested dust and other material found in poultry houses, as well as bird faeces, in 454 farms in the UK found only 12 per cent to show evidence of contamination. The comparatively low figure is encouraging as it ranks the UK infection rate among the lowest third in Europe. All EU member states were required to...
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Egg producers are likely to face growing demands to control different types of salmonella in their flocks.
"There is increasing political pressure from the EU for better control over five types of salmonella, including Salmonella Enteritidis and Salmonella Typhimurium. In the UK, some major supermarkets, if not actually applying pressure are, shall we say, 'encouraging' vaccination by their suppliers against both S Enteritidis and S Typhimurium," Matthias Mangels, Lohmann Animal Health's...
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Changing Feed Industry Imperatives Call For A Closer Look At On-Site Aflatoxin Test Methods
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Eighty industry experts on food safety met recently in Atlanta, Ga., to be briefed on the current concerns about salmonella in poultry and to discuss intervention strategies. The program looked at the challenges from farm through processing, drawing upon the experiences in both the broiler and turkey industries.
Panelist during the meeting included: Clay Silas, Perdue Farms; Steve Leitch, Jennie-O; Mike Robach, Cargill; Dr. Stan Bailey, USDA-ARS; Dean Danilson, Tyson Foods; and Bob O’Connor,...
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Britons are at risk of food poisoning from cheap imported eggs despite the success of British producers in curbing the threat from salmonella, a conference was told yesterday.
Tom Humphrey, a veterinary professor at Bristol University, warned that a hen vaccination programme that had dramatically cut the bacteria in British poultry could be undermined by lack of proper controls elsewhere in Europe.
Many recent outbreaks of infection in humans had serious implications for public health,...
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A decrease in eggshell quality is a trait that may be used to detect chickens infected with Salmonella, according to recent US research.
ARS (Agricultural Research Service) veterinary medical officer, Jean Guard Bouldin, found an interesting phenomenon - not only was Salmonella present inside chicken eggs, but other bacteria were there also.
Since these bacteria are usually seen in eggs that have been contaminated through cracks in the shell, Bouldin theorized that poor eggshell quality...
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USDA's Food Safety & Inspection Service is making available results of baseline studies it conducted on generic E. coli and salmonella between 1997 and 2000 as a means to assist inspected establishments in assessing their progress on testing to meet performance criteria.
FSIS stressed that publication of the baseline results does not affect the current generic E. coli criteria and salmonella standards listed in FSIS regulations. The regulations require that all inspected meat and poultry...
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Analyze over 40 different feed raw materials with AMINONIR® Portable | Evonik
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A decrease in eggshell quality is a trait that may be used to detect chickens infected with salmonella, according to USDA Agricultural Research Service scientists.
Veterinary medical officer Jean Guard Bouldin, at the ARS Southeast Poultry Research Laboratory in Athens, Ga., found an interesting phenomenon -- not only was salmonella present inside chicken eggs, but other bacteria were there also. Since these bacteria are usually seen in eggs that have been contaminated through cracks in the...
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Javier Ochoa Repáraz defended his PhD thesis at the University of Navarre Faculty of Science on the development of an acellular vaccine aginst Salmonella enteritidis.
This involves a world pandemia considered to be the most importante zoonosis or illness/infection transmissible salmonellosis by animals to humans under natural conditions. It is estimated that the incidence of acute worldwide is more than a thousand million cases per annum and causes three million deaths.
The project...
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Javier Ochoa Repáraz defended his PhD thesis at the University of Navarre Faculty of Science on the development of an acellular vaccine aginst Salmonella enteritidis.
This involves a world pandemia considered to be the most importante zoonosis or illness/infection transmissible salmonellosis by animals to humans under natural conditions. It is estimated that the incidence of acute worldwide is more than a thousand million cases per annum and causes three million deaths.
The project...
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The European Food Safety Authority (EFSA) wants a more sophisticated use of vaccines in preventing salmonella in poultrymeat and egg production.
A complex set of guidelines says its usefulness and safety depends on whether disease reduction or eradication is being sought, the type of poultry, production stage, cost-benefit and other issues. One key is ensuring vaccinations are not passed onto humans, lessening their potency....
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The United States Department of Agriculture (USDA) has approved FreshFx® antimicrobial solution for On-Line Reprocessing (OLR) of poultry carcasses, giving commercial poultry processors the only non-toxic alternative to noxious chemicals currently being used for OLR, as well as being easy-to-use and extremely cost-effective. The use of FreshFx for OLR significantly reduces Salmonella and Escherichia coli (E. coli) on poultry carcasses when compared to those processed traditionally.
The...
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Egg producers should take steps to ensure that their flocks are protected against salmonella infection right through to the end of lay.
"We have been informed that an EU salmonella survey means that faeces/dust samples will be collected rom flocks approaching the end of production," Matthias Mangels, Lohmann Animal Health's head of vaccine sales, told egg producers in Shropshire.
He said that the industry was doing a good job in controlling salmonella. Human cases of salmonella PT4 (the...
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Egg producers should take steps to ensure that their flocks are protected against salmonella infection right through to the end of lay.
"We have been informed that an EU salmonella survey means that faeces/dust samples will be collected by the State Veterinary Service from flocks approaching the end of production." Matthias Mangels, Lohmann Animal Health's head of vaccine sales, told a meeting of egg producers in Shropshire.
He said that the industry was doing a good job in controlling...
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A decrease in eggshell quality is a trait that may be used to detect chickens infected with Salmonella, according to Agricultural Research Service scientists.
Veterinary medical officer Jean Guard Bouldin, at the ARS Southeast Poultry Research Laboratory in Athens, Ga., found an interesting phenomenon--not only was Salmonella present inside chicken eggs, but other bacteria were there also. Since these bacteria are usually seen in eggs that have been contaminated through cracks in the shell,...
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The USDA's Food Safety and Inspection Service, in study results released earlier this month, reports salmonella prevalence in poultry products are still below baseline standards set in the mid-1990s.
For the years 1998-2003, the percentage of salmonella in broilers is at 11.2 percent, well below the baseline of 20 percent.
The rate from 2002 to 2003, however, increased from 11.5 percent to 12.8 percent. But the total number of samples taken last year were 30 percent less than in 2002,...
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More than one in five foods in Scotland contain unacceptably high levels of bacteria, a study has found.
One in four samples of meat and poultry products and fruit and vegetables in the research also had potentially harmful amounts of germs.
The study was carried out by the Scottish Food Surveillance System, part of the Scottish Centre for Infection and Environmental Health (SCIEH).
Twenty-four of Scotland's 32 councils took part in the research.
The project involved collecting...
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Medium-chain fatty acids may be effective at controlling Salmonella bacteria in chickens say researchers from Belgium and the Czech Republic. Their findings appear in the June 2004 issue of the journal Applied and Environmental Microbiology.
The leading cause of food-borne infections in humans, Salmonella bacteria is most commonly associated with poultry.
Currently, short-chain fatty acids are being used to treat chickens and prevent infection. Although they have proven somewhat...
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assalam o alaikum all my friends on this forum. I want to ask one thing more that most often the birds do light yellow droppings and sometimes dark brown droppings in poultry farms but there is not any kind of mortality there. If we say poultry farms to get the birds droppings tested in laboratory,he often hesitates and says that there is no mortality then why should I go for diagnosis? I want to ask that if i should treat for enteritis or coccidiosis if birds do light yellow or dark brown...
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