Frogs used for dissection are indeed killed before being used in the classroom. The process that these frogs go through can vary depending on whether they are hatched in captivity or taken from their natural habitats.
In the case of frogs hatched in captivity, they may be specifically bred for the purpose of dissection. These frogs are typically raised in controlled environments, such as laboratories or breeding facilities. When it comes time for dissection, they are euthanized before being sent to schools or educational institutions. The method of euthanasia can vary, but commonly used methods include immersion in a euthanasia solution or freezing.
On the other hand, frogs that are taken from their natural habitats are often captured in the wild. This involves catching frogs from their natural habitats, which can be stressful and potentially harmful to their well-being. These wild-caught frogs are typically transported to holding facilities where they are kept until they are sold to schools or educational suppliers. The conditions in these facilities can vary, but they may not provide the same level of care and welfare as captivity-bred frogs.
Once these frogs are killed, their bodies are typically preserved through a process called “fixation.” This involves immersing the frog in a preservative solution, such as formaldehyde, which helps to prevent decay and maintain the integrity of the tissues. The preserved frogs are then packaged and sold to schools and educational institutions for use in dissection labs.
During the dissection process, students and teachers typically follow a set protocol to explore the anatomy of the frog. This includes making incisions, removing organs, and studying the internal structures. The dissection is often guided by a teacher or instructor who provides instructions and explanations along the way. Once the dissection is complete, the dissected frogs are typically disposed of in the garbage.
It is important to note that the use of frogs in dissection has been a topic of controversy and debate. Many argue that alternative methods, such as virtual dissection software or models, can provide the same educational benefits without the need to harm animals. Additionally, concerns have been raised about the ethics and sustainability of capturing frogs from the wild for dissection purposes.