Workshop on “Food Security: Infectious Diseases in Farm Animals”- Invited Lectures, Day 2

St. Catherine’s College, Manor Road, Oxford,  UK,  4-7th April 2016 

Attended by M Djuric, CAB International, Wallingford, UK, on 5th April 2016 (Day 2)

This workshop meeting was jointly organised by the Pirbright Institute, Woking, UK and Cairo University, Egypt and was sponsored by the British Council Research Links Programme.

The aims of the workshop were to build long-term and sustainable links between scientists in the UK and Egypt working in the field of infectious diseases of poultry and livestock.

The second day of the workshop  consisted of two sessions and included  four invited expert and engaging presentations by Professor Mohamed Shakal, Professor Fiona Tomly,  Professor Javier Guitian and Dr Roberto La Regione.

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Venue: St. Catherine's College, Manor Road, Oxford

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Veterinary visits to become mandatory in European farming

By Miroslav Djuric, DVM, CAB International, Wallingford, UK

The European Agriculture Council has formally approved a draft law on animal diseases that are transmissible among animals and potentially to humans (zoonoses).

Blog-farm visits1

The provisions in the law on farm animal health visits stipulate that professional animal owners are to receive regular animal health visits from a veterinarian for disease prevention, detection and biosecurity. This new piece of legislation aims to merge and update existing scattered directives and regulations into a single and coherent law.

It is announced as an important step forward, since visits by vets are the cornerstone of the ‘prevention is better than cure’ strategy and indispensable for the prevention and early detection of known and emerging transmissible diseases. The role of the veterinarian in achieving this is defined and highlighted. The veterinary profession also has an active part to play in raising awareness of animal health and of One Health, or the interaction between animal health, animal welfare and public health.

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Veterinarians Target Next Virus for Eradication

 
Following the recent eradication of rinderpest virus in cattle (see blog), the veterinary profession is contemplating which viral disease of animals should be targeted for eradication next. This is not an easy task considering the vast number of viral diseases that plague livestock animals and have devastating effects on animal health, public health and people’s livelihoods.

Sheep

According to the authors of a scientific editorial (1) and a review article (2) that appeared in the recent issue of Veterinary Record published on 1st July 2011, the next livestock virus targeted for eradication could be peste des petits ruminants (PPR) virus.

Dr Michael Baron and colleagues from the Institute for Animal Health (IAH), Pirbright, UK said in their review that the Food and Agriculture Organization (FAO) and the World Organisation for Animal Health (OIE) should focus on PPR virus as the next livestock virus for eradication.

PPR virus affects sheep and goats and is closely related to the recently eradicated rinderpest virus. Cattle can also be infected with PPR virus but they do not show obvious signs of disease. PPR is circulating on the edges of the European Union, on the southern shores of the Mediterranean. Outbreaks were reported in Morocco and Tunisia in 2008 and there is evidence for its presence in Algerian sheep this year. It has also been present in Turkey for many years. PPR is the fastest growing and one of the most economically important diseases of sheep and goats, the animals that play a very important role in sustainable agriculture and development in Africa and Asia. Mortality in infected animals ranges from 10 to 90%, depending on age, breed and secondary infectious agents. Animals that survive become anorexic, their milk yield is reduced, and they are susceptible to secondary infections and abortions.

Baron and colleagues are already working on the development of a “smart” vaccine for PPR, one that leaves an antibody signature different from that created by infection with the virulent virus, so that vaccinated animals can be distinguished from animals that have been infected by virulent virus, and vice versa. They are also working on a "dip stick" test for PPR virus, similar to the one that IAH developed for the rinderpest eradication programme.

There are good reasons to believe that the eradication of PPR is an achievable goal, because the PPR virus shares a number of properties with rinderpest virus that contributed to the successful campaign to eradicate the latter, i.e. there is a safe and reliable vaccine; simple and effective diagnostic tests are available; the virus has a short infectious period, with no carrier/persistent state; transmission occurs only by close contact; and there is an economic incentive to eradicate it.

However, before a massive commitment of national and international resources for a successful eradication campaign, which would require surveillance and monitoring over a long period, a thorough evaluation of the likelihood of success of an eradication campaign, as well as its costs and benefits, is of utmost importance. Potential for eradication of other diseases such as foot and mouth disease (FMD) or rabies virus, for example, also needs to be evaluated.

CAB Direct database offers an excellent source of scientific information and is a very useful tool for evaluating potential for eradication of any viral disease of animals. It comprehensively covers world’s scientific literature from over 150 countries and in over 50 languages on all the viral diseases of animals, including PPR, FMD and rabies. CAB Direct database contains over 17000 records on rabies, over 13000 records on foot-and mouth disease and over 800 records on peste des petits ruminants.

References:

1. Anderson J., Baron MD., Cameron A., Kock R., Jones B., Pfeiffer D., Mariner J., McKeever D., Oura, CAL., Roeder P., Rossiter P. and Taylor W. (2011): Rinderpest eradicated – what next? Veterinary Record, 169: 10-11, doi: 10.1136/vr.d4011.

2. Baron MD., Parida S. and Oura CAL. (2011). Peste des petits ruminants: a suitable case for eradication? Veterinary Record, 169: 16-21 doi: 10.1136/vr.d3947.

It’s not just puppy fat

While it’s a well-known piece of perceived wisdom that owners look like their dogs, there is evidence that obese owners are more likely to have obese dogs. Writing in CAB Reviews, Ian Bland and Julian Hill discuss the importance of owner’s perceptions of exercise and diet in terms of controlling obesity in dogs.
It is hard to be sure what the level of dog obesity is, as there is no BMI equivalent, and estimates based on owner assessments are different to those conducted by vets, but the trend is upwards.

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The First European Veterinary Week, 10-16 November 2008

European vets are gearing up for their first veterinary week, which will be held from 10-16 November in various locations across Europe. This is a joint initiative organised by the European Commission and the Federation of Veterinarians of Europe (FVE). The organising team is also supported by an advisory group of stakeholders (farmers’ organizations, industry and other stakeholders) and the World Organisation for Animal Health (OIE). The initiative is aimed at promoting the Community Animal Health Strategy,  "Prevention is better than cure", as well as the "One Health" concept. It will also focus on biosecurity, and in particular biosecurity on farms and at country borders.

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Is Your Dog Over 60?

Dogs age more rapidly than humans, especially large breed dogs, and it is thought that one year to a human can be as many as seven years biologically for a pet dog. For example, if your dog is eight years of age, in “human years” your pet is approaching his sixties.

The life expectancy of a dog is highly dependent on its breed with most large breed dogs having a life-span of approximately 10 years (although in some breeds it is as few as five years), while smaller breeds may live for 20 years or more. However, most dogs are considered senior at seven years of age, while most 10 year old dogs can be considered to be in old age.

Pets go through different life stages, from being a puppy through a juvenile to adult, and their needs change as they age. Dogs grow up at different rates and some breeds stay puppies for a long time whilst others mature quickly, but all dogs should be mature by two years of age.

Each stage of a dog’s life requires regular veterinary check-ups and consultations regarding vaccinations, nutrition and exercise.

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