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It's better to hurt animals than to experiment with humans.
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I am very opposed to using animals for testing, but for the sake of the landlord's argument, I think that humans are the only animals that can actively change the world, and they are naturally more advanced than other animals that only think about eating and escaping all day long, so testing on animals can effectively prevent humans from being harmed, and mammals' DNA is very similar, and the situation reflected by animals will be closer to that of humans.
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Inbred animals are genetically homogeneous, so they can obtain highly accurate experimental results, which is of great value in medical research. Why bred F1 animals that were crossed between two different inbred lines? This is because inbred animals are less viable, resistant to branch diseases, and tolerant to chronic experiments than hybrid animals, and are less able to adapt to environmental variations, and are more difficult to breed and raise.
Under the general equipment conditions, if a chronic experiment is to be carried out, long-term observation is required, and if the animal dies halfway, the experiment will not be able to achieve the desired effect. On the other hand, F1 overcomes the shortcomings of pure lines to some extent due to its hybrid advantages, and is more tolerant to long-term experiments, and less likely to mutate due to environmental factors than pure lines. Therefore, F1 animals are the same as inbred animals, they have genetic homogeneity, but strong vitality, after hybridization, the recessive harmful genes from one parent and the dominant favorable genes from another parent are combined to become heterozygous, and the role of recessive harmful genes is covered by the role of dominant advantageous genes, and heterosis appears.
In summary, F1 animals have the following advantages: 1. It has the advantages of hybridization, strong vitality, strong adaptability and disease resistance, and vigorous reproduction, and can overcome the inbreeding decline caused by inbreeding to a large extent. 2 It has the genetic homogeneity of pure animals that are basically similar.
Although its genes are not homozygous, the genotype is neatly consistent, the heritability is stable, and the phenotype is also consistent, so it basically has the characteristics of an inbred line. 3. Good reproducibility of various experimental results. 4. It has the characteristics of both parents.
5. It is widely distributed in the world and has been widely used in various experimental researches, and the experimental results are convenient for replication and exchange in the world. The above characteristics of F1 animals show why there are inbred animals and F1 animals are still bred in the past. Some developed countries have preferred the development of F1 animals in the past when there was no universal artificial control of microorganisms.
In view of the current material conditions in our country, the production of F1 should be well developed and its scientific value should be promoted.
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There will be no problem with the benefits.
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The benefits of animal testing include:
1.Significant research data is provided: many major medical discoveries have been made through animal experiments. These experimental data play an important role in promoting the understanding of human living systems, exploring the mechanism of human diseases and the development of medicine.
2.Ensuring human safety: animal experiments play an irreplaceable role in the research and development of diseases and drugs. Compared with direct human experimentation, animal testing can ensure human safety to a greater extent.
3.Combination with alternative methods: Animal experimentation is no longer just a separate scientific research method, it can achieve better research results by combining different technologies and methods, such as cell culture, biochips, human simulation, etc., improve research efficiency, and reduce animal suffering caused by animal experiments.
The disadvantages of animal testing include:
1.Animal personality: Many people believe that animals have a certain humanity and emotions, which makes the ethical issues of animal experimentation highly controversial.
Although scientists believe that animals and humans are fundamentally different, many people still regard animals as soulful and conscious beings, which makes animal experiments often cause public controversy.
2.Right to Life: In addition, some opponents of animal experimentation argue that life is equal and that humans have no right to deprive animals of their right to life.
In the process of animal experiments, many experimental animals will be forceps, cut, injected with poison, etc., which will cause physical and mental pain to the experimental animals.
3.Limitations: Due to the essential differences between humans and animals, the data obtained through animal experiments also have certain limitations.
Some Liangfan drugs or ** methods can be successful in animals, but they are not effective in humans. As a result, scientists are also trying to find new research methods and alternatives to animal experiments.
In summary, animal experiments play an important role in studying human diseases and exploring the development of new drugs. However, its complex ethical issues and data limitations also make it necessary to work on new research methods and alternatives. In the end, it is necessary to find a reasonable way of animal experimentation in the balance of interests, harms and ethics.
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The advantages and disadvantages of this experiment are as follows:
According to the information of today's headlines, advantages: animal experiments help to evaluate the effectiveness and safety of new drugs and methods, thereby reducing the need for human experiments, protecting people from potential dangers, and strictly controlling experimental conditions, making experimental results more accurate and reliable.
Disadvantages: Animal testing usually involves cases where the animal's life is subject to pain, pain, and reproductive limitations, which causes unnecessary harm and suffering to hail animals, and the results obtained in animals may be different from those obtained in humans due to the different biology of animals and humans.
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It can help us better understand the life on the earth, so that the exploration of the earth will be more in-depth, and can promote scientific progress and medical development.
Disadvantages of animal experimentation:
Killing animals will make the number of animals that are already in the house decrease faster, the biological chain will be destroyed, and the ecological environment will also be destroyed, so that the earth's environment will be further damaged.
Significance of the development of animal experiments:
The ultimate goal of the development of laboratory animal science is to explore the mysteries of human life, control human disease and aging, and prolong human life through the study of the life phenomena of animals themselves, and then extrapolation to human beings. With the rapid development of medical biological science, it is recognized that the problem of public nuisance has not only become a major social problem of food, population, and the elderly, but also involves the survival of animals living on the earth, such as industrial pollution, food pollution, drug toxicity, etc., which directly affect human health. Therefore, the importance of laboratory animal science, especially laboratory animals, is more and more recognized, it has been regarded as the pillar of human pursuit of a happy life, so laboratory animal science is also called life science, for this reason, advanced countries have given great importance to the development of laboratory animal science, and its investment in economic materials and technical strength can almost be compared with the development of atomic energy science, and its important significance can be imagined.
It cannot be replaced by other means at this time. <>
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Pros and cons of experimenting with animals:The good thing is that the animal contributes to science, and the bad thing is that it hurts the animals, and I will never experiment with animals anyway.
No animal experiments, scientific research solutions:In terms of cell biology, bioinformatics requires computer literacy, even without experiments. Biomaterials and biomedical engineering are inseparable from animal experiments, and animal experiments cannot be done, microorganisms and plants do not like it, and they can not choose biology majors.
Laboratory Animal Science.
It has become an inseparable part of modern science and technology, and has formed an independent comprehensive basic science category. The importance of this science lies in the fact that, on the one hand, as an important means of scientific research, it directly affects the establishment and level of research results in many fields; On the other hand, as a science, its improvement and development will lead to new situations in the study of many fields.
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Laboratory animal science has become an inseparable part of modern science and technology, and has formed an independent comprehensive basic science category.
The importance of this science lies in the fact that, on the one hand, as an important means of scientific research, it directly affects the establishment and level of research results in many fields; On the other hand, as a science, its improvement and development will lead to new situations in the study of many fields.
With the rapid development of medical biological science, it is recognized that the problem of pollution has not only become a major social problem for food, population, and the elderly, but also involves the survival of animals living on the earth, such as industrial pollution, food pollution, drug toxicity, etc., which directly affect human health, and the study of these problems must eventually be clarified and solved through animal experiments. 、
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Laboratory animals are the foundation and important supporting conditions for life science research.
At present, almost all scientific research, teaching, production, verification, safety evaluation and achievement evaluation in the field of life sciences are inseparable from laboratory animals, which are called living instruments and have an irreplaceable role.
Driven by modern science, laboratory zoology has developed into a comprehensive emerging discipline, and its development and application degree is regarded as an important indicator to measure the development level of a country, a region, a sector or industry, especially biomedicine.
Looking back at the history of biomedical development, it is not difficult to find that many landmark or epoch-making research results are often closely related to laboratory animals and animal experiments.
The physiologist Pavlov once pointed out that "it is indisputable that people cannot understand the laws of the organic world without experiments and observations on living animals", "the whole of medicine, only through the flame of experiments, can become what it ought to be", and "only through experiments can medicine achieve the final victory".
These arguments have been and are being confirmed by the course of medical development.
According to international statistics, more than 60% of the world's biomedical research is carried out using laboratory animals, and about half of the Nobel Prize in medicine projects are inseparable from laboratory animals.
The vast majority of experimental sciences such as physiology, pathophysiology, pharmacology, etc., are done using laboratory animals.
It can be seen that it is difficult to envision the development of biomedicine without laboratory animals and animal experiments.
It can be seen that the development of modern biomedicine and modern biomedicine has always been inseparable from laboratory animals.
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