GGL Pet Services

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The Thyroid Gland not only effects the health of a dog but also the dogs Behaviour. The Thyroid Gland is responsible for metabolism, Body Temperature and Heart Function. It is also associated with behaviour changes in dogs. It is the most Common disorder in the Endocrine System and causes genetic implications for breeding. 

 

Hypothyrodism

Hypothyroidism is an underactive gland. TheThyroid is located at either side of the throat and stimulated by a Thyroid Stimulating Hormone or TSH for short.
Hypothyroidism is the most common disorder in dogs. 80% comes from Autoimmune Lymphocytic Thyroiditis. Autoimmune diseases are when the immune systems attacks itself. It mistakes healthy cells for damaged cells and starts to wipe them out.
It effects mostly large breed dogs and is relatively unheard of in Small/miniature Dog Breeds. Dogs are usually diagnosed between the ages of 4 – 10 years.

Clinical findings as quoted in the MSDVet Manual  

“Breeds reported to be predisposed include the Golden Retriever, Doberman Pinscher, Irish Setter, Miniature Schnauzer, Dachshund, Cocker Spaniel, and Airedale Terrier. There does not appear to be a sex predilection, but spayed females appear to have a higher risk of developing hypothyroidism than intact females”.  

Thyroid Disorders must be carefully diagnosed as the symptoms can mimic other diseases and misdiagnosis is very possible. It is in fact the most over diagnosed disease in dogs.
Hypothyroidism will slow the metabolism down.  Due to poor oxygen levels in the cells, there is not enough TSH or Cortizol available. This will cause symptoms of lethargy, weight gain and dry flaky skin. It can cause reproductive problems in female dogs. Seizures and mental dullness are other symptoms. 

 Hyperthyroidism

Hyperthyroidism on the other hand, will cause more TSH production, which will cause excess energy. 

Just thinking about that can be worrying, it can cause Jitters in the dog, and increased heart rate. The same effects for humans, ADHD in Human Children, has also been associated with Hyperthyroidism.  Shaking due to the excess energy,

Weight loss and nervousness are other symptoms. Its as if the dog is in constant fight or flight.  This can be dangerous and can be the cause of aggression in some dogs. A Vet needs to be seen as soon as any new behaviour is noticed, especially with any of the above symptoms.
A vet should be seen when any behaviour changes are notice with the dog.
The cause and symptoms can be brought on after trauma or Iodine deficiency or after cancer treatment when the immune system is at its weakest. Not forgetting hereditary passing.
Early diagnosis is imperative.  When the symptoms have appeared the Gland is usually already damaged. Noticing even the slightest physical or behavioural change could save a dogs life.

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by Pete and Mary on GGL Pet Services

We are so happy to have found Gill. We know that we can relax in the knowledge that our Border Collie will be safe, happy and well looked after...

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