http://www.countrylife.co.uk/jubilee/corgi_facts.php
Royal Corgi Facts
These facts give an intimate perspective on the dynamic role of the Queen's favourite dogs in the royalhousehold.
By Allison Smyth
It is Royal custom for the corgis tohave dog biscuits thrown to them after lunch. On one occasion it is believed that a nervous bishop took a dog biscuit from the footman's tray and ate it by mistake.
Susan, the Corgi given to the Queen for her 18th birthday, accompanied Princess Elizabeth and the Duke of Edinburgh on their honeymoon. Unbeknown to Prince Philip she was hidden under a pile of rugs in the going away carriage by a Palace servant. The honeymoon itself had to be slightly interrupted to return to Buckingham Palace to fetch a particular dog lead.
The corgis each have a Christmas stocking made up for them by The Queen.
The corgis belonging to The Queen and Queen Mother do not get along. In 1991 Queen Elizabeth intervened during a scrap between the two packs and was bitten on her left hand. The wound she received required three stitches and she had to conduct an investiture with a bandaged hand.
All the royal pets are buried in the grounds of the royal residence they are living in when they die. Susan, Sugar and Heather, all have gravestones at Sandringham
A newspaper claimed that in 1999 The Queen demoted a royal footman for allegedly spiked the Corgi's water with whiskey and gin.
All the royal corgis were given rubber boots to protect their paws from the gravel at Buckingham Palace.
Chipper, one of The Queen's corgis was attacked and killed by The Queen Mother's corgi, Ranger.
The corgis, usually watchful and snappish tostrangers, had been taken for their morning run when an intruder broke into the Queen's bedchamber in Buckingham Palace in July 1982. When forensic experts examined the scene afterwards there were a few raised eyebrows when corgi hairs were found on the royal blankets. Normally dogs are not allowed on beds, sofas or chairs unless being photographed.
Each Royal corgi sleeps in their own specially made wicker basket where the bed is raised an inch or two above the ground on little stilts toprotect them from draughts.
The Royal corgis are fed on a rigid diet approved by vetinerary surgeons and therefore live to a ripe old age. They eat a mixture of wheat, barley, vitamins, proteins, soya and dried meat supplemented by Royal Jelly called 'Animal Magic'. Whenever possible The Queen feeds them herself with a silver spoon into individual dishes.
Prince Edward once threw two corgis in a lake when he thought they were having a potentially fatal fight.
TheQueen has called in a dog psychiatrist when her corgis fight. Dr Roger Mugford was asked to attend to them over their habit of biting courtiers. He was unable to cure them of their ankle snapping tendencies but prescribed an ear-piercing rape alarm to break up fights.
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My comments - the Queen's Pembroke's are everything the breed can be, the good and the bad. She adores them and cares for them as any smitten owner would or does (and well, she does have a few more resources than most of us.

) Regardless, I'm still taking them to appear on Oprah nor would I take Oprah's advice or recommendations on trainers/behaviorists/rehabilitators either.
Debbie