When a rat, it undergoes a process called decomposition. During decomposition, various organisms including bacteria, fungi, and insects play crucial roles in breaking down the organic matter. Flies, particularly blow flies, are among the first insects to be attracted to a decaying animal carcass. Here’s why and what happens:
- Attracted by Odor: Blow flies are attracted to the strong odor emitted by decaying flesh. They can detect these odors from considerable distances and are highly sensitive to the chemical compounds released during decomposition.
- Role in Decomposition: Blow flies lay their eggs (often hundreds at a time) on the carcass. These eggs hatch into larvae (maggots) within hours. The maggots then feed on the decaying tissue of the carcass, accelerating the decomposition process.
- Species and Harm: Blow flies themselves are not harmful to humans in the sense of actively causing harm like biting or stinging. However, they are considered vectors of disease in some contexts because they can carry bacteria and other pathogens picked up from the decaying material. Proper handling and disposal of dead animals, including rats, are important to prevent potential health risks associated with the presence of blow flies and other decomposers.
- Lifecycle: After feeding on the carcass, the blow fly larvae (maggots) eventually pupate and emerge as adult flies. These adult flies may then disperse and continue the cycle by seeking out other suitable locations for egg laying and larval development.
In summary, blow flies are attracted to and feed on decaying animal matter like a dead rat due to the strong odors released during decomposition. While they themselves are not harmful in the traditional sense, their presence can indicate a potential health risk if proper sanitation measures are not taken. Therefore, it’s important to handle and dispose of dead animals properly to minimize attraction to blow flies and reduce the associated health risks.
https://gogreenpestcontrol.ca/what-next-after-…en-decomposition
https://insectandrodentexterminators.com/what-next-after-the-rats-gone-then-decomposition/