Further to the eggsperiment idea, try grocery store eggs or ones from the asian super market. Not guaranteed amazing results, but may pique her curiosity too.While I am not advocating overducking (or overdoing any other birds), here are a couple of ways to approach a mom for more hatching.
All that said, I agree — 9 ducklings is already a lot to manage. We had 5 giant pekins and it felt like we were drowning in ducks by a month old.
- A science experiment: write up — and complete— a hypothesis, procedure, etc. Not talking about experimenting on live animals (of course), just simpler questions such as the effect of playing music for the eggs vs silence.
- A business or economic plan: more writing, yep. Calculate costs, timelines, etc. Then present how you can offset costs over time by selling birds, eggs, or eating the birds and reducing your grocery bills.