Tro de Castro-Castalia

Canine Hypothyroidism is a rather common disorder in middle-aged to older Bullmastiffs, characterised by a reduction of thyroid hormone production. It is suspected that some bloodlines and families are genetically predisposed, while there is no difference in frequency of occurrence between males and females. Therefore it is important that prior to purchasing a puppy, you discuss this matter with the  Breeder in order to find out whether there is a proneness for Hypothyroidism in his/her dog’s lines or not.

In fact, Recent studies have shown that mother's on thyroid replacement therapy and stabilized at normal levels prior to conception can and do produce normal offspring. .
 
Responsible owners ought to know that the thyroid function affects almost every organ in the body and thus if there is an abnormal thyroid the dog will not feel well. Once the disease is diagnosed, it must be treated for life; thyroid deficiency may not be completely eliminated,  but the good news are that often enough, with proper treatment many types of thyroid related disorders can be drastically reduced as shortly after as 3-4 days of receiving regular treatment; the animal will start feeling better almost immediately and soon will be leading a perfectly normal life again.

Main signs for this disease include:

Should your dog show one or more of the above symptoms, you ought to take it to the Vet to check whether his thyroid hormones are working properly, and this is done through a specific blood test. Dogs that are hypothyroid have thyroid levels that are almost always below the normal range.

(Original text written by Christina of Lima-Netto and Federico Baudin specifically for this web page and protected with Copyright. Not even whole can be reproduced not partially by any way, without Castro-Castalia's express assent in writing).

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