What does this bump on the head mean?
Tác giả: Piet Simons
Ngày đăng: 07/02/2018
Photo: Marcel Berendsen
Ask yourself the following questions: What do I see? What does it mean? What should I do?
This is Practical guide to improving egg quality
- LOOK: This egg has a clear bump on its ‘head’.
- THINK: It might be a signal of a Newcastle disease (ND) infection. ND causes misshaped eggs.
- ACT: It is good practice to vaccinate against this disease.
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