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Anglický jazyk
Phillips, E: Historical Notes on the Causes of Bee Diseases
Excerpt from Historical Notes on the Causes of Bee Diseases
American foul brood. - American foul brood is a very widely dis tributed disease and better known to bee keepers than European foul brood. It is the one which is generally referred to by...
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Excerpt from Historical Notes on the Causes of Bee Diseases
American foul brood. - American foul brood is a very widely dis tributed disease and better known to bee keepers than European foul brood. It is the one which is generally referred to by the bee keeper at the present time when he speaks of foul brood. The brood affected with this disease is usually capped before it dies. The color of the dead brood presents in general various shades of brown. The marked ropiness of the decaying remains of the dead larvae is probably the most characteristic and well - known feature of the dis ease. The punctured cappings, the scales formed from dried - down larvae, and the disagreeable odor sometimes present are aids to its diagnosis. This disease is clearly an infectious one. The exciting cause of it is a bacterium known as Bacillus larvae.
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- Vydavateľstvo: Forgotten Books
- Formát: Paperback
- Jazyk: Anglický jazyk
- ISBN: 9781332912742
