Speaking of shell lang, everyone should think that this is a very disgusting creature, because they are animals that live on feces. But Australia can treat this creature as a treasure, there are already more than 400 kinds of shell lang in the country, Australia still imports a large number of foreign countries every year, 1500 imported shell lang sold for 400 US dollars, why is this? What is the use of so many shell langs in Australia?
Before answering this question, let's first understand the creature of the shell lang.
Shell Lang, scientific name dung beetle, belongs to the Coleoptera golden turtle carapaceae, so it is also called dung golden turtle. The color of the shell is black, some are also black brown, slightly shiny, the body length is about 3 cm, there is a certain degree of phototropism, belonging to large and medium-sized insects.
There are more than 20,000 kinds of shell langs in the world, except for Antarctica, they can be seen on every continent. It is a fecal eater, feeding on animal feces, and they generally inhabit animal feces or dig up burrows in dung heaps.
Shell Lang will get a small piece of feces from the dung pile, and then use his body and feet to continuously rub and roll, it will be rubbed into a round ball of dung, and then push these dung balls to go, according to biologists, Shell Lang can push up to 1100 times heavier than himself objects, is a veritable insect world "Hercules".
And the shell lang also has a surprising skill, that is, they never take a "detour", as if they also understand the shortest straight line distance between two points.
According to research, shell lang can use the sun, the moon and even all the luminous stars in the Milky Way to navigate for themselves, because they can find their own way according to the polarized light produced by sunlight, moonlight, etc. distributed in the atmosphere, and it has to be said that in addition to being Hercules, they are also navigation masters.
Many people think that shell lang is disgusting because they deal with feces every day, but they clean up the animal's feces at the same time, but also inhibit the growth and reproduction of feces for food pests, so shell lang is called nature's scavenger.
It is precisely because of this that the Australian government wants to import a large number of shell lang, and we will answer the question raised at the beginning of the article, the reason why Australia imports a large number of shell lang.
Because Australia occupies a whole continent and is isolated from the outside world, Australia is a country where all kinds of species are very abundant, Australia has 12,000 species of plants, of which 9,000 species are not available in other countries; Australia has 650 species of birds, which are not available in other countries, and there are koala bears, kangaroos, platypus and other animals that only Australia has.
But it is precisely because of the isolation from the outside world that although there are many rare animals in Australia, there are no common animals, such as cattle and sheep.
It was not until after the 18th century that British colonists brought cattle and cows into Australian soil, and sheep were also imported from Spain by Australia at the end of the 18th century.
Australia is sparsely populated, the grassland is rich, cattle and sheep have let go of the grass here, Australia's animal husbandry is more and more developed, Australia's sheep number is the world's first, the number of export wool is also the world's first.
The cattle live here very moist, australians drink the best domestic milk, put on high-quality domestic leather shoes, but there is one thing that makes them very headache, that is, the treatment of cow dung.
The number of cows in Australia is around 30 million a year, a cow pulls about 10 times a day, and 30 million cows have to excrete about 300 million lumps of feces a day, which is much more than the pizza that Australians eat in a day.
Soon cow dung on Australian pastures became ubiquitous, not only unsightly, but most importantly, it caused a lot of problems.
First, cow dung attracts countless flies. A lump of cow dung can feed about 3,000 flies, and there is so much cow dung in the pasture, the number of flies can be imagined. The residents who live near the grassland are almost collapsed, the flies cover the sky, the buzz is disturbing, even if every household is equipped with insecticide, it cannot solve so many flies, and when they go out and open their mouths, they are afraid that flies will fly in their mouths, and they must wear a hood.
In addition to the residents, cafes and restaurants near the grassland are also suffering from it, there are so many flies, guests are not willing to come at all, and it is completely impossible to experience outdoor picnics and outdoor coffee.
Second, cow dung can hinder the growth of grass. Small partners who live in the countryside or have seen cow dung should know that cow dung is big, flat and round, a large lump is covered on the grass, the grass can not receive the nutrients of the sun for a long time, and slowly it will wither, and in the long run, the grassland will become a manure.
Third, a large amount of cow dung can not be treated in time, it will slowly rot, these rotten cow dung will breed a large number of eggs, pests and microorganisms, not only will produce harmful bacteria, but also pollute the groundwater, resulting in the deterioration of the local ecosystem.
At this time, everyone will definitely ask, then why didn't the Australian native shell lang clean these cow dung? Isn't there more than 400 kinds of shell lang in Australia?
The problem is that shell langs in different regions have different tastes. We know that people in different countries have different eating habits, just like Chinese like to eat stir-fried vegetables, Americans like to eat hamburgers, Indians like to eat curry, then different regions of the shell lang also has their own preferred taste.
Shell langs in tropical rainforest areas, who most like to eat monkey dung; Shell men in the desert, they like to eat delicate taste of feces, so they will generally push animal feces into the sand to bury, and then eat when the feces become soft;
As for the Australian shell lang, they like to eat the feces of kangaroos, koalas and other native animals, which are relatively dry and small particles. For feces as big as cow dung, they don't like to eat and don't even know how to push them into balls.
So Australia decided to import shell lang from all over the world, the first import is China's shell lang, the first batch of imports of 100,000 pieces, these 100,000 shell lang also did play their own role, a shell lang can be 100 grams of cow dung into dung balls in thirty or forty hours, which makes Australia see hope.
Later, Australia introduced more shell langs from Africa, Europe and other places, and this international team of shell langs reduced the number of flies in Australia by 90%, effectively curbing the flood of flies.
There are already 23 different species of shell langs established wild populations in Australia, and Australia still regularly imports them.
These shells not only solve the cow dung problem, but also improve the quality of the soil. Because the shell lang has been digging in the soil, it has played an effect of loosening the soil, and the cow dung contains a lot of organic nitrogen, and after being buried in the soil, most of these organic nitrogen will remain in the land and nourish the land.
However, there are also many people who are worried that after Australia introduces so many shell langs, it will cause the flood of shell langs and cause other problems, but for now, the advantages outweigh the disadvantages, so the Australian government should still take the practice of importing shell langs in the future for a period of time.
Author: Arbor Editor: W