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It could also be a sebaceous cyst and if so it could keep refilling and coming back. Best to take him to the vet as you don't want that hole getting infected and he will be able to say exactly what it is and give you the right treatment.
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She may start to show signs of making a nest a few days before the pups are due. As the time gets nearer she will  become restless, getting up, lying down, and changing her position frequently and she may paw and scratch at her bedding. Loss of appetite is usually a sure sign that whelping (giving … Read more
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Usually the mother will lick a newborn kitten to clean it and the roughness of her tongue helps stimulate breathing. If the mother is ignoring a newborn kitten- take a clean dry towel and rub the kitten dry- checking its mouth to see that the airway is free from fluid and any membranes (which look … Read more
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In answer to the second part of the question about diagnosing problems. The first thing  a vet does is to ask the owner all the details about their pet- and all the things which they have observed since the animal has been ill. Then he or she will examine the animal all over, taking the temperature, … Read more
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There are a number of conditions that cause increased thirst in elderly dogs. I wonder if your girl is neutered??? If not one of the signs of womb infection (pyometra) can be increased thirst and this is very common in older bitches who have not been spayed- especially if they have never had puppies.  Other conditions … Read more

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Would definitely advise having her looked at by your vet as soon as you can. She could have something in her eye- they can get a little grass seed trapped under the thrid eyelid for example. Whatever the cause it sounds as though her eye is very inflamed and painful and if she keeps rubbing … Read more