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Do I need to worry about “Alabama Rot”?

You may have read in the news recently of another cluster of dogs affected with the exotically named “Alabama Rot”. Also known as “Cutaneous and Renal Glomerular Vasculopathy” (CRGV), this condition is still poorly understood. As a result, there’s a lot of worry and speculation, and vets are receiving increasing numbers of panic-stricken phone-calls from dog owners! So, what do we actually know about CRGV?
What is it?

Firstly, let’s specify what it isn’t – for example, despite excitable media reports, it isn’t a “flesh eating bug”. Nor is it a “superbug” or a variant of the Ebola (or any other) virus.

Technically speaking, it is a form of thrombotic microangiopathy, a condition where blood clots form in the small blood vessels in the body, blocking off blood supply. For some reason, the skin and the kidneys are most sensitive; without a blood supply, the tissue dies, causing ulcers on the skin, and failure of the kidneys….

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A Christmas story from a vet on call & a reminder that if you do have a pet crisis over the holiday, a vet is always there to help

It was Christmas morning. The phone rang at 6.30am. It was the Barrs of Lauder Hill. ‘ Sorry about this, but we’ve a heifer stuck calving’. I was in my car within 10 minutes, and carrying out the Caesarian operation to remove the calf within half an hour.

The Barrs welcomed me into their farmhouse afterwards for a Christmas breakfast. The calf had been a strong, healthy bull calf, and the farmers were delighted with their Christmas present. We were settling down to enjoy the full glory of a Scottish farmhouse breakfast when my bleeper sounded. It was only 8.30 a.m. and already another emergency had to be dealt with – a calf with bloat 15 miles away, at the Buchanans in Melrose. By lunchtime I had seen a horse with colic, six calves with acute pneumonia, a dairy cow with severe mastitis and a dog with a sudden onset choking cough. The afternoon was just as busy, and I was finally able to sit down with the family at seven in the evening. Two hours later there was another call to another difficult calving….

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Grapes and raisins can kill dogs. Read this to find out how to keep your pet safe this Christmas.

Does your dog enjoy mince pies and Christmas cake? Beware: you could accidentally poison them.

For many people, it seems unbelievable that grapes and raisins can poison dogs. They’re harmless to humans. We’ve all seen dogs occasionally eating foods containing raisins with no apparent ill effects. How can they suddenly be poisonous?

Why are grapes and raisins not always poisonous to dogs, and never poisonous to humans?

First, like all poisons, the poisonous effect depends on the dose taken per kilogram of animal body weight. Large dogs can safely eat some raisins without problems.

Secondly, the toxic ingredient in raisins seems only to be present intermittently, so a dog may eat raisins without problems on several occasions, then fall seriously ill the next time.

What is the toxic ingredient in grapes and raisins?

The actual toxic ingredient is still a mystery. The fact that grapes and raisins can be poisonous has only been deduced by circumstantial evidence, with many dogs developing acute renal failure for no obvious reason, with the only common factor being the previous ingestion of grapes or raisins. Samples of the fruit in such cases has been analysed, but a toxic agent has not yet been isolated…

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Rabbits are not like small dogs or long-eared cats. And it’s not just that they eat grass.

When something goes wrong with an animal’s nervous system, it’s very upsetting, and it’s easy to panic. People often make generalisations, and leap to the wrong conclusion. He’s falling over! He’s had a stroke! He’s dragging his back legs! To help animals, it’s important for vets to be as objective as possible, making a careful note of precisely which part of the nervous system has gone wrong. Vets do this using a specific examination procedure, known as the “neurological examination”. There are tick sheets available to make it easier for vets: various aspects of the nervous system are examined individually, and at the end, it’s then easier to be specific about the precise diagnosis. Only then can the correct treatment and prognosis be given…

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Ask a vet online – How often should my dogs get boosters?

Karen Taylor asked:

How often should our dogs be re-vaccinated (boosters)?

Answer:

Hi Karen, thanks for your question about booster vaccinations. This is an area that’s become quite controversial in the last few years, and there’s a lot of confusion about the subject. In addition, there’s a lot of very poor-quality information out there, so I’ll try to make this quite clear and obvious!

To put it as simply as possible – see your vet every year for a health check, and discuss your vaccination strategy with them.

For more detail… now read on!

What are vaccinations?

Put simply, a vaccination is a way of teaching your dog’s immune system how to recognise and defeat the micro-organism that causes an infectious disease, without the risks (of illness, potential long term health problems or death) inherent in a “natural” infection.

This is achieved in one of three ways:

1) A weakened form of the disease-causing organism.

These are called “modified live” or “attenuated” vaccines, e.g. for Distemper and Parvovirus; the organism included is unable to multiply and/or cause clinical disease, but it is active enough to stimulate a strong immune response. Most modified live vaccines give a stronger and more long-lasting immune response than an inactivated vaccine; however, they aren’t suitable for every disease (because some organisms cannot be weakened enough to make them safe)…

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The story of Dan, a coughing Springer Spaniel

 Dan was a nine year old Springer Spaniel who loved strenuous physical exercise. His owner, Dr Mullen, was a medical doctor who was an enthusiastic hill walker, so they made a good team. They would spend days off in the Dublin mountains together on six-hour hikes through the countryside. Dan was brought to see me because he had developed an irritating cough, and Dr Mullen was worried.

The cough did not affect Dan during exercise. He was still able to run for hours without any problem, but the following morning, immediately after getting up, he would cough repeatedly as he walked around the room. It seemed to be a productive cough: sometimes he swallowed after the cough, and other times Dr Mullen found patches of white phlegm on the floor. When Dan had been up and about for half an hour, the cough seemed to clear, and he’d be fine for the rest of the day…

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Oscar, the grumpy cat who needed twice daily injections to treat his diabetes

Oscar, a ten year old cat, had started to lose weight, despite the fact that he was eating well. His coat had begun to look bedraggled, as if he was not grooming himself as much as usual. His owner had noticed him visiting his water bowl more frequently, and she had needed to fill up the bowl every day, rather than every three days.

When I examined him it was clear that Oscar had lost a significant amount of weight. His ribs were prominent, and I could feel the sharp tips of the bones of his back. When I weighed him, I discovered that he had lost a kilogram since his previous visit.

Physically, I could find no obvious cause of a problem, so I decided that a blood profile was needed…

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Kittens with passengers: ear mites

When a litter of rescued kittens were brought to see me recently, a careful examination of their ears was an important part of the check-up. I introduced the tip ofthe auroscope into each kitten’s ear, and by looking through the instrument I was able to see a magnified view of each ear canal. In normal animals, the pale blue-grey of the eardrum itself can often be seen. However, in these kittens, I could hardly see any normal ear canal. My view was blocked completely by thick, brown, sticky earwax. The cause of the excessive ear wax could be seen very clearly. Tiny white wriggling insect-like creatures could be seen swarming around the inside of each ear. The kittens were infected with ear mites.

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Could your cat have high blood pressure?

High blood pressure is a common problem for humans but did you know that cats can get it too? High blood pressure, also known as hypertension, is actually quite common in older cats, especially those with other diseases such as kidney disease or hyperthyroidism. The symptoms can be quite subtle or mimic those of other diseases so many cases remain undetected for quite some time. If left untreated, however, hypertension can lead to significant secondary health problems, so it’s definitely worth testing for.

What exactly is high blood pressure?

High blood pressure occurs when the pressure within the blood vessels exceeds a certain threshold. Think of the hosepipe used to water your garden. If you turn the tap on too strongly, the water shoots out of the nozzle uncontrollably, damaging your flowers. The same is true for the body – organs like the brain and kidneys need blood to survive but if the blood pressure gets too high….

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Ask a vet online – is there a test for Leptospirosis?

Berry Wilkinson asked:

I was wondering if you can titre test for leptospirosis? Or is it only useful when you are testing sick dogs? Thanks.

Answer:

Hi Berry, thanks for your question about testing for Leptospirosis. To answer it, I’ll briefly discuss Leptospirosis as a disease, then talk about the different diagnostic techniques available. Finally, I’ll discuss vaccination and the implications for diagnosis.

What is Leptospirosis?

Leptospirosis (“Lepto”) is a disease caused by bacteria of the genus Leptospira. There are more than 300 strains (technically called serovars) of the bacteria. In the UK, Leptospira icterohaemorrhagiae and L. canicola used to be the most common, but since widespread vaccination against these has started, it is now thought that L. interrogans and L. kirschneri may be more important.

The disease is transmitted by body fluids of infected animals, including rats. The symptoms of Leptospirosis in dogs include:

Fever and sore muscles.
Loss of appetite, vomiting, diarrhoea and dehydration.
It may cause kidney or liver failure
Sometimes the only symptom is sudden death.
Infected dogs may shed the bacteria in their urine for months or years without showing any clinical signs.
Leptospirosis is highly zoonotic – i.e. it is a high risk pathogen for infecting humans.
How is Leptospirosis diagnosed?

There are four methods to test for Leptospira in clinical samples, of which two are clinically useful. They are:…

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