If an animal raised in an axenic environment is exposed to a pathogenic microbe later in life, it will exhibit a very poor immune response to the pathogen.
What is an axenic environment?
- Axenic environment is that which is free from any contaminating organism like microbes.
- When any animal is raised in an axenic environment, it has a very poor immune system because it does not have to defend itself against any pathogen.
- If such an animal is exposed to pathogen later in their life they may not be able to respond because they have never experienced such situations and will get infected.
- In laboratories, animals are initially grown in axenic places but they are later on slowly exposed to external environment so that they can acclimatize/ adapt to the environment and live normally.
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