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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 »

Highly pathogenic PRRS in China: From outbreak to control

The heart of China was the first to record occurrence of what later turned out to be Highly Pathogenic PRRS, in the spring of 2006. At the time it was unknown what exactly the origins were of the disease – but now, some years later, causes, effects and treatments have become clearer. read more >

Heterologous challenge with a highly virulent Asian (Genotype-II) strain

The emergence of highly virulent PRRS virus (PRRSV) strains in China in 2006 was a milestone in the epidemiology of PRRS in Asia. Nowadays, genotype II strains of different virulence coexist with genotype-I strains in this continent. At present, Amervac-PRRS (a genotype-I vaccine) is licensed and marketed in many countries of Asia and, therefore, contact of vaccinated herds with highly virulent genotype-II strains can be expected. read more >

Mycoplasma: Still a disease to worry about

Interview with Prof Dr Dominiek Maes: Before the world knew of PRRS and PCV2, Mycoplasma hyopneumoniae was one of the diseases receiving much attention. Even nowadays, there is still a lot to be learnt, explains Prof Dr Dominiek Maes, Ghent University, who will speak on the disease at the Congress. read more >

Paving the way for a broad protection against PRRS

Interview with Prof Dr Jane Christopher-Hennings: Prof Christopher-Hennings has been on top of PRRS from the first moment the disease became a threat to the pig industry. At the Congress, she will give a historical analysis of progress made in applied PRRS research in pigs. read more >

Simple steps can help combat MHD in swine

Incidence of Mulberry Heart Disease (MHD), a condition of the heart muscle that often leads to sudden death, has become a growing concern in the pig population. Linked to oxidative imbalance, many in the pig industry point to changes in pig rations – particularly the increased use of DDGS (Distiller’s Dried Grains with Solubles) and the threat of more concentrated levels of mycotoxins – as adding fuel to this culprit’s fire. read more >

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