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Tag Archives: Food safety
CHANGSHA – A 59-year-old man having close contact with live poultry died on Monday morning of the H7N9 flu virus, the first of its kind in central China’s Hunan province, local authority said. A separate statement issued by the health department of Guangdong province on Monday said a patient surnamed Xie died of the virus on Sunday in Foshan after treatment failed. With the new cases, H7N9 has so far killed 25 people in China since January, and the number of human infections has been 113, with Zhejiang and Guangdong being mostly affected. Continue reading
The Pig Site – Our understanding of the importance of influenza A infection in pig production has evolved rapidly over the past 15 years. Greg Wideman of South West Ontario Veterinary Services explained the impacts of those developments to the 2013 London Swine Conference. Recent detection of novel subtypes of influenza A, such as H3N2, H1N2 and pandemic H1N1 in swine have heightened our awareness of this pathogen as a primary cause of swine disease and significant zoonotic (from animals to people) and reverse zoonotic (from people to animals) risk. This paper reviews some ways in which influenza A impacts the pig producer and swine veterinarian… Continue Reading Source: The Pig Site, November 29, 2013 Labex Korea on Twitter and Facebook
Science – The journal Food and Chemical Toxicology has retracted a much-criticized paper that links a strain of genetically modified (GM) maize with severe diseases in rats. The paper’s author, French biologist Gilles-Eric Séralini of the University of Caen, slammed the decision, which he said is an attempt by the GM crop industry to muzzle scientists who put into question the safety of its products.
Séralini’s paper sparked a media storm when it was published in September 2012. While some commentators presented the study as proof that GM food is “poison,” many scientists dismissed the study as flawed, and several official bodies also found it wanting.
The Poultry Site – This is going to help make produce safer,” says Laura Strawn, a researcher on the study. “We could significantly reduce risk of contamination through changes that occur a few days before the harvest.”
Many of the risk factors were influenced by when they were applied to fields which suggests that adjustments to current practices may reduce the potential for contamination with minimal cost to growers, says Dr Strawn.
Foodborne illness sickens an estimated 9.4 million, and kills around 1,300 annually in the US, according to the Centers for Disease Control and Prevention. Produce accounts for nearly half the illnesses, and 23 per cent of the deaths.
“The research is the first to use field collected data to show the association between certain management practices and an increased or decreased likelihood of salmonella and L. monocytogenes,” says Dr Strawn.
For salmonella, manure application within the year prior to the researchers’ sampling boosted the odds of a contaminated field, while the presence of a buffer zone between the fields and potential pathogen reservoirs such as livestock operations or waterways was protective.
Irrigation within three days before sample collection raised the risk of listeria contamination six-fold. Soil cultivation within the week before sampling also increased the chances of contamination.
“These findings will assist growers in evaluating their current on-farm food safety plans (e.g. “Good Agricultural Practices”), implementing preventive controls that reduce the risk of pre-harvest contamination, and making more informed decisions related to field practices prior to harvest,” says Dr Strawn. “Small changes in how produce is grown and managed could result in a large reduction of food safety risks.”
The Poultry Site – The FAO ahead of World Food Day announced that the diversity of food and food production methods is the answer to the under nutrition and micronutrient deficiencies affecting the world’s populations, The report shows that the cost of malnutrition, through lost productivity and healthcare, could be as high as five per cent of global income. Other revealing figures are laid out in the group’s World Food Day paper which communicates a simple ethos: Healthy People Depend on Healthy Food Systems. Continue reading
The Poultry Site – This week’s news in the global poultry markets has included some significant developments in terms of the food safety risks from poultry meat. One key area was whether changes to poultry meat inspection will improve global standards in terms of meat quality and food safety. The question of the efficiency and efficacy of poultry meat inspection has been addressed on both sides of the Atlantic recently. In the EU last year, the European Food Safety Authority (EFSA) published an opinion on the existing inspection procedures in poultry slaughterhouses and came to the conclusion that the simple visual inspection is not sufficient at a time when concerns over pathogens such as Salmonella and Campylobacter are rising. Continue reading
Agência FAPESP – Researchers at the Universidade de São Paulo’s São Carlos Physics Institute (IFSC-USP), in collaboration with colleagues from the Universidade Federal do Mato Grosso (UFMT), have created a biological sensor that detects the presence of a highly toxic pesticide in water, soil or food in just minutes. The pesticide in question is methamidophos, which is being banned in Brazil but is still used for several crops in the country.
Developed under the auspices of the National Institute of Science and Technology on Organic Electronics (INEO)—one of the National Institutes of Science and Technology (INCTs) funded by FAPESP and the National Council of Scientific and Technological Development (CNPq)—the sensor could be adapted for the detection of other types of pesticides, according to the researchers. The basic principle behind the device has also led to the development of a rapid test to detect the dengue fever virus….>>Continue Reading<<
By Chris Harris
The Poultry Site – According to the Soil Association’s Organic Market Report 2013, worldwide sales of organic food and drink reached $63 billion – more than €45 billion – by the end of 2011.
The latest figures from the Research Institute of Organic Agriculture (FiBL) and the International Federation of Organic Agriculture Movements (IFOAM) organic farming is practised in 162 countries.
The Poultry Site – New research reveals that although there is wide variation in the Clostridium perfringens isolates found in commercial turkeys, it is only those with a particular gene coding for a beta-toxin that are associated with the gut disease, necrotic enteritis. Clostridium perfringens is an important bacterial pathogen, especially in poultry, where it can lead to both subclinical and clinical disease, according to Ulrike Lyhs of the University of Helsinki and co-authors there and at the Finnish Food Safety Authority (Evira), Seinäjoki University of Applied Sciences and Denmark’s DTU National Food Institute. Continue reading
Embrapa– The research developed by Embrapa Instrumentation in São Carlos (SP), have had promising results in the study of nanotechnology for agribusiness. The substitution of plastics by edible and invisible films to the involvement and protection of food is one of these technologies that can reduce the need for processing of forced ripening of fruits and vegetables and at the same time improve the quality and extend the foods’ shelf life.
“The new film can reduce up to 40% of the food waste after harvest and add value to Brazilian export of fruits and vegetables ,” said Dr. Bernard Rubens Filho, the research Coordinator.
With the coating, fruits and vegetables can take up 20 days after harvest to begin the process of degradation, which on average takes four days under normal storage conditions. For apple using film can extend up to 10 days storage at ambient temperature, extending the marketing period, thereby reducing post-harvest losses.
The later fruit harvest and the slowing aging process allows to provide the consumer with a higher quality product, avoiding the use of chemical processes, often chemical ripening. Besides apple, research has been conducted with mango, pear, banana, nuts and vegetables. The edible films are produced according to each food type, and may use corn starch or soy proteins as a raw material.
The foods are coated by immersion in liquid solution and dried naturally. An invisible film forms on the surface protecting the food, decreasing the gas exchanges and creating a physical barrier to water loss. The coating does not replace the need to use package protection, such as boxes, to prevent the fruit from spoiling during transportation and storage.
The antifungal effect and the inhibition of bacteria growth is one of the features added to the process. Moreover, studies indicate that the film can stimulate consumption. “We identified in laboratory tests that rats consumed 20% more food coated.” The technology, made possible by the nanometric size of the particles that make up the film. It has yet not expectation to hit the market.Source and Photo: Avicultura Industrial Labex Korea on Twitter