Chicken grit should not be confused with a calcium supplement like oyster shell. Grit is for the purpose of aiding in digestion. Oyster shell is for the purpose of adding calcium to your laying flockâs diet. Calcium is the main component in egg shells and is an important element to supplement into your henâs diet.
Castles. The Normans were master castle builders. After 1066, England witnessed a massive castle building programme on the orders of William the Conqueror. First, motte and bailey castles were built.Once William had firmly established his rule in England, he built huge stone keep castles.By the time of Edward I, concentric castles were being built.fter 1066, England witnessed a massive castle building programme on the orders of William the Conqueror. First, motte and bailey castles were built.
The first â and most famous â stone castle was the White Tower of the Tower of London. This stone tower was begun in 1070, and marked the start of a stone-castle building spree. By the time William the Conqueror died in 1087, 86 of these had been built in the UK. Castles made of stone continued to be built (alongside traditional, timber Motte and Bailey castles) throughout the 1100s.