On 3/24/2017 at 3:57 AM, liuzhou said:
I suppose if you are in areas not far from silkworm farming, mulberries can be very cheap. Silkworms only eat mulberry leaves.
I remember long time ago, I travelled to a town where there was a lot of silkworm farming. A very ecological way of life style.
Mulberry trees produced berries for people, leaves for silkworms. Silkworms made silk. Silkworms also made a lot of droppings, which were used as feed for carp fish farming. After silkworm cocoons were processed for silk, the pupas were fried as snacks. Very tasty snacks and healthy for people.
100% recycling. Nothing was wasted.
dcarch