Nosema
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Nosema
Nosema is a common, though often unnoticed, disease that invades the digestive tracts of bees, causing dysentery. Infection by nosema can result in widely variable effects on a colony, from slight slowing of brood development to complete collapse of the colony.
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Nosema (Runtime 0:53)
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How It Spreads
Nosema is caused by spore-forming microsporidum called Nosema apis and the newly identified species, Nosema ceranae. Infection by nosema can result in widely variable effects on a colony, from slight slowing of brood development to complete collapse.
Symptoms
The most obvious sign of infection is staining on the inside or outside of the hive in early spring.
Diagnosis
Nosema-infected colonies will sometimes stain the inside and outside of their hives:
Treatment
Cultural controls for this disease include wintering only strong colonies with young vigorous queens, and making sure there is plenty of ripe honey in the hive in the right place. Fumagilin fed to colonies in the fall and new packages installed in the spring are effective against nosema.
Lesson List
- 7.2 Diseases Duration:
- Stress Diseases Duration:
- Nosema Duration:
- 7.3 Pests Duration:
- Small Hive Beetles Duration:
- Wax Moths Duration:
- Ants, Mice, & Small Mammals Duration:
- Bears Duration:
- 7.4 Colony Collapse Disorder Duration:
- CCD as a Syndrome Duration:
- 7.5 Integrated Pest Management Duration:
- Pyramid of IPM Tactics Duration:
- 7.6 Check Your Learning Duration:
Teachers Info
Bee doctor
- Website: http://www.example.com
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