If eggs are infected by salmonella, the bacteria is inside the egg, not outside on the shell.
It is important to know the reproductive habits of insects. Butterfly eggs are fertilized inside the body of the butterfly.
It is safe for a pregnant woman to eat fresh farm brown eggs. For safety reasons and to avoid salmonella, fresh farm eggs as well as store bought eggs need to be thoroughly cooked.
Duck eggs are formed inside the female and fertilized inside the uterus. The eggs are then laid by the duck via a vaginal canal through an orifice called the vent.
All reptiles have a chance of carrying salmonella, but please don't be worried. You have a very low chance of getting it from reptiles. You are MUCH more likely to get it from chicken or eggs. Still, you should always wash your hands afterwards.
inside
Yes. Whole eggs can carry salmonella, either in or on the egg. Shell eggs are normally cleaned and sanitized to reduce the contamination on the shell. The incidence of bacteria inside the eggs can be reduced by maintaining healthy flocks.
outside
salmonella
Salmonella can be found in both chicken and eggs, although the incidence is more rare in eggs.
The eggs are fertilised inside the hen, and then laid.
Frogs have external (outside) fertilization.
The egg is made with the embryo inside the body but the duckling inside the egg develops outside the ducks body.
Clownfish are born in eggs. They get protected by the male until they hatch. the female can lay up to 1000 eggs.
Salmonella
You can get salmonella from eggshells.
Salmonella
Butterfly eggs develop outside the body. They are usually laid on the underside of leaves to hide them from predators.