Text: Panda Science Popularization Officer
Editor|Panda Science Popularization Officer
I'm not a "monster", you guys are just going too far.
There are many creatures in nature, but there are also animals that are unnatural combinations, and these animals also receive many strange eyes, and they suffer from it. So what animals are and how are they different?
The miracle of the fusion of technology and nature, long-haired pigs, hairless chickens and two-headed dogs
The rapid development of science and technology has brought more magical creations to human beings, and some human beings have made some strange creatures out of curiosity to satisfy their curiosity, just like the long-haired pig, which originated in Hungary and has been bred for a long time to achieve today's results.
The long-haired pig looks like a small sheep in appearance, giving people a strange and cute feeling, but its personality is more affectionate and friendly, because the long-haired pig is a cross between domestic pigs and wild boars, they not only inherit the fat meat quality of domestic pigs, but also retain the resilience of wild boars.
Therefore, the meat quality of long-haired pigs is more delicious than ordinary pig breeds, and the fat content is up to 70% of body weight, the most important thing is that long-haired pigs are not picky eaters, and are adapted to various foods, making their breeding more simple and economical.
There is also a strange creature, that is, the hairless chicken, which is different from the long-haired pig in that the hairless chicken is made in the field of science and technology, this kind of chicken is made by German scientists through long-term artificial selection, the German bald chicken and the Chinese chicken are mixed breeding.
These chickens have no feathers on their bodies and look a little unusual, but they do not affect meat quality and egg production. Featherless chickens do not need to pluck feathers, thus saving breeding costs, and the ability to adapt to the tropical environment is stronger, because the growth rate of this chicken is fast, and the egg production of hairless chickens is 10% ~ 20% higher than that of ordinary chickens, so it is favored by the suppliers of brood chicken products.
There is also a human-made monster, the two-headed dog, which was the result of an unexpected experiment conducted by two former Soviet biologists, Sergei and Chai Qiulin, at some point in the past.
And they transplanted the head of a puppy into the back of a large dog, and maintained blood circulation in the puppy's head through a special machine. The purpose of such an experiment was to explore the feasibility of organ transplantation in animals, but the results were very regrettable.
Although the two-headed dog showed great vitality in early trials, due to some unknown physiological problems and improper maintenance, they only survived for more than six days. The experiment sparked widespread ethical controversy, with many arguing that it was too cruel and lacking in concrete scientific significance.
These miracles brought about by the combination of science and technology with nature also satisfy people's curiosity to a certain extent, and long-haired pigs, hairless chickens and two-headed dogs, as representatives of the great achievements of science and technology, not only show us the power of science, but also remind us to maintain respect and reverence for nature. However, in the process of further exploration and transformation of organisms, we should respect the balance between life and nature, and strive to use scientific and technological achievements to promote the development of human society, rather than abusing and harming the ecological environment.
Wonders of nature and man-made, liger and Belgian blue bull
In the animal kingdom, there are many amazing creatures, and the liger and the Belgian blue bull are two typical examples, but some of them are not the result of natural products, but through artificial selection, but they are also full of mysteries.
For example, there are only about 1,000 of them in the world, which were formed by crossing lions and tigers. This liger not only has the strength and ferocity of the mother lion and the father tiger, but also has a strong vitality, and they are very valuable for human beings.
However, the lack of genetics to reproduce has left them with many problems, and although people have been exploring and trying to breed more, the difficulty is still huge. With only about 1,000 of them, there is a greater threat to their survival in the wild.
Another unnatural product is the Belgian Blue Cattle, which were created by humans to satisfy their tongues. In the 19th century, in pursuit of higher beef yields, Belgian farmers crossed English shorthorns with French Charolais cattle in the hope of producing larger cattle.
But surprisingly, this crossbreeding experiment was successful, and the Belgian Blue Cattle attracted worldwide attention for their excellent meat quality and fast growth rate.
The Belgian blue cattle have extremely high muscle content, and can gain nearly three catties of weight every day, and the meat quality is very good. However, there is a drawback, and that is that due to their large size and strength, the body of Belgian blue cattle is often under great stress, and they are often sickly.
These two strange creatures, one mystical mating from nature and the other the result of artificial selection, demonstrate the strength and fragility of life in their own unique ways, prompting people to think about biodiversity and its impact on nature.
People have been trying to improve the breeding success rate of liger through artificial intervention, but due to the difference between the two animals in terms of living environment, it is difficult for liger to survive and reproduce in the natural environment. Therefore, we must recognize that there are certain laws in nature and we need to respect them.
After the success of the Belgian Blue Cattle technology, the Belgian Blue Cattle has also been purchased and introduced to the animal husbandry market in more than 20 countries and regions around the world, showing the possibility of artificial selection and breeding of animals by humans.
Secret research unraveled, the scientific mystery of the liger
The emergence of the liger is the crystallization of human adventurous spirit and technological innovation, but there is a series of exploration and research behind its birth. Scientists have been trying to unravel the mystery of ligers, from their origins to their anatomy, everything has sparked curiosity and curiosity.
In the beginning, scientists combined the genes of lions and tigers through artificial intervention to successfully cross the liger. But this is just the beginning, as scientists are focused on studying the genome of ligers and discovering their special characteristics that distinguish them from lions and tigers.
Through gene sequencing technology, they found that the genetic information of the liger was fused with gene fragments from both parent species, and some of the genes were functionally altered, which explains why the liger has a fusion of lion and tiger physical characteristics.
But not all ligers are the same, and scientists have found in their studies that they have more tiger genes than tigers. These tiger genes give the liger a more gentle and kind personality, as well as a high level of sociability.
However, these changes have also brought a series of health problems to the liger, due to the high inbreeding rate of the liger, resulting in frequent genetic defects in the population, which makes the liger low immunity and susceptible to various diseases.
The liger also brings some special physiological characteristics, and observational studies have found that a very small number of tiger lion beasts have lion-like manes, which reminds people of the tiger's patterns, creating a unique image of this amazing species.
Moreover, the liger is huge, with a body length of more than 3 meters when it reaches adulthood, and is twice as heavy as the tiger lion. This is due to the presence of liger's dominant genes, which provide unlimited space to grow, making it one of the largest cats in the world. Unfortunately, this massive size also makes the liger more susceptible to disease and health problems.
Despite their differences, this is not the end of their evolution and exploration among humans. Scientists are paying close attention to the Xi and reproductive characteristics of ligers to further improve their survivability to reduce genetic defects and enhance their immunity and health.