mimics a hen’s movement, ensuring embryos don’t stick to the shell. Studies show regular turning boosts hatch rates by up to 80%, making it the key to success.
Here’s how to build it safely: start with a clean 2-liter plastic water bottle, cut in half to create a base and lid. Place a 25-watt bulb in a small socket (like a lamp base) inside the bottom half, securing it with tape. Add a small dish with a damp sponge for humidity, and cut four ¼-inch holes in the top half
