cocks

[fil76]

I know 37.5 or 99.5 is ok for hatching but I have heard 37 or 99 hatches less cocks is this true ??
cheers fil

 

[JaeG]

No - it has been much researched because of the potential applications to those that hatch laying hens for the egg industry. Eggs are male or female before they are even fertilised because it is the hen that dictates the sex of her offspring.