Look - Think - Act
What does this bump on the head mean?


Ask yourself the following questions: What do I see? What does it mean? What should I do? Click on the buttons in the image for more information.

What does this bump on the head mean? Photo: Marcel Berendsen

This egg has a clear bump on its ‘head’.

It might be a signal of a Newcastle disease (ND) infection. ND causes misshaped eggs.

It is good practice to vaccinate against this disease.

Share this:
view all look-think-act articles