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.
Stone Castles took so long to build that William laid plans to build Norman Timber Castles when he mounted his invasion. Pre-built wooden castles were loaded on to the Norman invasion fleet. The first pre-built Norman Wooden Castle was erected at Pevensey Bay in 1066.Temporary wooden Motte and Bailey castles were quickly replaced by the permanent stone Norman castles dominated by their massive keeps.orman Castles were typically built on the highest ground in the area, often adjoined Rivers and overlooking towns and harbours. They often made use of existing sites of Roman or Saxon forts and burhs. If no suitable motte existed then the Normans simply built one-as at Norwich.