The countdown is on the eggs went in the incubator on Wednesday 15 April 2015. So can you work out when they will be due to hatch – 21 days from this date?
Eggs going in – how many in total?
Follow #countdown2hatch via live eggcam once eggs in incubator – go to egg cam now
Over the 21 days we will introduce you to the eggs parents! We will also tell you about what is happening in the egg at key points.
Start – Day 0 if you like!
17 eggs were put into the incubator. Each egg was given a number and weighed – why not start recording the weights with us.
Egg Id | Weight (g) | |
Day 1 | Day 9 | |
1 | 55 | 52 |
2 | 58 | 58 |
3 | 55 | 51 |
4 | 51 | 51 |
5 | 49 | 51 |
6 | 48 | 57 |
7 | 47 | 51 |
8 | 47 | 51 |
9 | 50 | 58 |
10 | 53 | 61 |
11 | 50 | 54 |
12 | 51 | 54 |
13 | 49 | 55 |
14 | 44 | 52 |
15 | 47 | 54 |
16 | 47 | 53 |
17 | 54 | 53 |
Which egg is heaviest?
You could plot a graph to see which egg is the heaviest.
Do you think this will give the biggest chick?
Day 1

All the important parts of chick start to develop
Or first 24 hours after putting in incubator sees the start of growth for everything of huge importance to the embryo : the head, ears, eyes, spinal column, nervous system (including the brain) and heart. You cannot really see this but the embryo basically develops and ‘blob’ in the yolk – seen in picture superimposed on an egg.
As early as 72 hours after the start of the process, tail, wing and leg buds appear and the heart begins to beat.