Yes to both. Dog waste is a viable food source for rats and a preferred breeding site for house and blow flies, which complete an egg-to-adult cycle in about 7 to 10 days in warm weather. Weekly removal gets under that cycle. Bi-weekly removal does not.
Flies: it is a timing problem
Adult flies lay eggs in dog waste within hours of it being deposited. In Indiana summer temperatures the full cycle from egg to emerging adult runs roughly seven to ten days.
That number is the whole argument for weekly service between May and September. Remove waste within seven days and the majority of that generation never emerges. Leave it fourteen days and your yard is not attracting flies from elsewhere, it is manufacturing them.
It is also why a yard can go from fine to visibly bad in a single hot two-week stretch. The population is compounding, not accumulating linearly.
Rodents: it is a food source
This surprises people, but it is well established among pest control professionals: dog waste is undigested enough to be a viable food source for rats, and in urban and suburban environments it is a reliable one.
Rodents follow reliable food. A yard with a consistent, uncollected supply becomes part of a rat run, and once that is established the problem stops being confined to your yard and starts involving your neighbors, your shed and eventually your house.
Compact city lots — Beech Grove, the older Southport streets, anywhere with alleys and detached garages — are where this shows up first, because the harborage is already there.
The other passengers
Beyond flies and rodents, uncollected waste supports roundworm and hookworm eggs, which need days to weeks in soil to become infective, and giardia. All of these are why the sensible framing is that scooping is sanitation rather than tidying.
What actually breaks the cycle
Weekly removal, minimum, in warm months. This is the single most effective intervention and it is not close.
Twice weekly for multi-dog or small yards. More dogs in less space compresses every timeline above.
Do not stockpile bags outside. A sealed trash can left in the sun is a fly nursery. Waste that leaves the property entirely — which is how we work — removes the problem rather than relocating it to the side of your house.
Keep the fence line and beds clear. These are the harborage areas. A yard scooped only in the open middle keeps its pest problem.
Key takeaways
- Flies complete a cycle in 7–10 days in summer — weekly removal breaks it, bi-weekly does not
- Dog waste is a genuine food source for rats and can establish a rat run
- Compact lots with alleys and detached garages see rodent issues first
- Bagged waste stored outside in the sun makes the fly problem worse, not better
- Fence lines and beds are harborage — scooping only the open lawn misses the point
We are a pet waste removal service working Southside Indianapolis — Greenwood, Center Grove, Perry Township, Southport, Beech Grove and the rest of the south side. Weekly plans start at $16.99 and there is no contract on any of them.

