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Disease Mangement

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What the textbooks don’t tell you about…Backtracking by rats and flies

Backtracking is the colloquial term for the transmission of disease from older pigs to younger ones. The older pigs usually have had time to build a satisfactory immune shield, while the younger animals have yet to do so, and can succumb to disease, carried in clinical or subclinical form by their older companions in the unit.

In order to reduce this risk it is good that segregation by age is becoming more common on pig units and the textbooks encourage this development. However in my opinion not enough... read more »

Practical biosecurity measures

Biosecurity is a major issue for efficient farms and while more research is required to qualify many of the decisions regarding protocols, studies have drawn attention to the role of people as mechanical vectors in transmitting porcine pathogens. read more >

Questions for managers

The Allen D. Leman Swine Conference was held at the University of Minnesota in Minneapolis, USA. Over fifty presentations were given relating to disease, public issues and production; here we concentrate on Carlos Pijoan's discussion questioning disease eradication efforts and Howard Hill's advice on meeting production expectations. read more >

Producers discuss wasting diseases

The French veterinary expert, Dr. Francois Madec, visited the UK earlier this year and explained a 20-point hygiene programme to a group of producers seeking answers to the post-weaning multisystemic wasting syndrome and porcine dermatisis nephropathy syndrome. read more >

Strategic health planning in practice

Management steps in developing a strategic health control programme are planned for all nucleus and multiplier herds by a German hybrid producer. Customers then get the benefit of the strategic health planning through a linked scheme involving private vets. read more >

China changing gradually

The number of backyard producers continues to dominate the Chinese industry. A situation resulting from the fundamental condition of the rural economy; land shortage and a huge labour surplus. Even so, larger scale production is gaining importance gradually. read more >

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