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Table V
Effects of pathogen infection and parasite infestation in October on winter losses of honey bees.
| Total | ||||||||
|---|---|---|---|---|---|---|---|---|
| No. of | P-value | |||||||
| Factor | colonies analyzed | No. of survived colonies | No. of collapsed colonies | (chi2) | ||||
|
|
||||||||
| total | pathogen | pathogen | total | pathogen | pathogen | |||
| positive | negative | positive | negative | |||||
| DWV | 1104 | 995 | 173 | 822 | 109 | 44 | 65 | 0.00001 |
| ABPV | 1104 | 995 | 75 | 920 | 109 | 17 | 92 | 0.0039 |
| KBV | 596 | 543 | 2 | 541 | 53 | 0 | 53 | 0.658 |
| SBV | 1104 | 995 | 99 | 896 | 109 | 6 | 103 | 0.202 |
| Nosema spec. | 1924 | 1744 | 317 | 1427 | 180 | 29 | 151 | 0.492 |