Exact(4)
The FWS describes it like this: "While they are in the hibernacula, affected bats often have white fungus on their muzzles and other parts of their bodies.
Not all bats examined from the affected hibernacula show all signs of WNS, thus raising the possibility that there exists a subclinical form or stage of WNS, which may or may not have originated in the hibernacula.
Infestation was less frequent in the hibernacula within mountainous zones (Šumava Mts.: 5% WNS-suspect M. myotis; the majority of SK localities: 0 5%), and also in limestone regions (Bohemian: 3%, Moravian: 2%, and Slovak: 3% karsts).
Although the total numbers of bats in the hibernacula decreased through April as bats left for the maternity colonies, our results show that there is a high probability of fungal growth developing on the remaining individuals.
Similar(56)
Until now, no other agent except G. destructans has been consistently associated with WNS [1], [3], [4], [5], [9], and we can further assume that the proximate effects of the fungus result in increased arousal frequency, flight activity in and outside of the hibernacula, and secondary infections.
By the end of the second winter, 109 (98%) of 111 bats were positive for P. destructans, and P. destructans was present throughout the hibernacula (in 91% of samples from under bats, 66% of samples near bats, and 44% of samples far from bats).
The bats prematurely emerge from the hibernacula and attempt to forage, which in winter conditions causes frostbite and subsequent necrosis of the wing membranes [8].
Seasonally, more WNS-suspect bats were found late in their hibernation; although, the fungal growths disappeared prior to their leaving the hibernacula.
These bats often move to cold parts of the hibernacula, fly during the day and during cold winter weather when the insects they feed upon are not available, and exhibit other uncharacteristic behavior".
In April, the total number of bats and the number of Gd-suspect bats decreased as bats left the hibernacula.
The next logical step would be to find out whether G. destructans isolates were native to the hibernacula, or instead a recent 'hitch-hiker' into new environment, as is known to be the case for some fungi in Antarctica [29].
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