By Heather Smith
MSN News – Increasingly, orange growers have come to believe that genetic engineering holds the only hope for developing a tree that is resistant to an incurable citrus disease.
Guy Davies, an inspector for the Florida Division of Plant Industry, checks an orange tree for the insect Asian citrus psyllid that carries the bacterium causing disease, “citrus greening” or huanglongbing, from tree to tree on May 13, 2013 in Fort Pierce, Florida.
By Mara Hvistendahl
Science —With thousands of dead pigs found floating in local rivers and a government with a history of covering up outbreaks, rumors are swirling in China over the deaths of two people here from avian influenza that the government announced on Sunday. But scientists say that it’s still too early to draw substantive conclusions about the virulence or source of the virus, H7N9, found in the patients; nor is it clear that there is a link to the more than 16,000 pig carcasses found in the Huangpu River and its tributaries in March. Continue reading
By Jackie Linden
The Poultry Site – Leg problems of various types in turkeys have cropped up several times in the news over the last few weeks. Clearly, leg and foot conditions have implications in terms of both reduced welfare and production (poor growth and condemnations at the slaughterhouse).
By Carlos Fiorenti
Agência FAPESP – Specialists are networking to predict the possible effects of climate changes on agribusiness, which accounts for one third of Brazil’s GDP. There are signs indicating that the production of soya, wheat, and other crops may decline dramatically and the incidence of diseases may rise, as a reaction to the probable increase in temperature and changes in rainfall distribution throughout the country. The fear is that prices will go up and the variety of grains, vegetables and fruit will decrease. In anticipation of scenarios that predict harsh times ahead, research centers and companies are developing and introducing varieties of grains and vegetables that are more resistant to high temperatures and to attacks from organisms that cause diseases and plagues. The tendency is that plants, pests, consumers and also the economy will readjust and rebalance… >>Continue reading<<
Source and Photo: FAPESP, August 2012
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The Poultry Site – The emergence of a new or unexpected disease is always a potential threat to food production systems based on the intensive rearing practices. The only defence is to isolate and characterise the new pathogens as quickly as possible and then develop preventive measures, such as new vaccines, changes in husbandry, or restrictions on movement. A few years ago, this would have taken a considerable amount of time, and may even have been impossible.