For between £200 and £2000, people can buy a cow that stands no taller than a large German shepherd dog, gives 9 liters of milk a day that can be drunk unpasteurized.
Each of these cold rooms should run on approximately between 20 to 30 liters of diesel every day, and by using solar energy we keep off the diesel completely.
You have to go through the list of all your activities that you normally use water for and allocate a certain amount of water and then add that up and make sure you fall under the 25 liters a day.
If we assume that there are 5 liters of blood in the body, that means that the entire blood volume gets filtered about 30 times a day, which is more than once every hour.
We need to think about nutritional requirements when we eat and beef is way more nutrient-dense, so yea, 122 liters used to make a quarter pound of beef is not nothing.