Pennsylvania Game News - September 2016 - 7

control group to see if the virus would
pass directly from bird-to-bird without
the presence of mosquitoes.
Blood was drawn daily to look for
WNV presence and levels of WNV
antibodies.

ANALYZING THE RESULTS

None of the vaccinated birds and none
of the contact-control birds sickened.
But within eight days, four of the
10 birds inoculated with the virus were
extremely ill. The other six birds survived
to the end of the two-week project.
All were autopsied to see if WNV had
affected them.
Four of these survivors had severe
lesions that damaged their hearts, brains
and other vital organs. In total, eight of
the 10 birds had organ damage severe
enough to make their long-term survival
in the wild uncertain.
After many months and many miles,
our critical questions had been answered:
WNV clearly kills ruffed grouse; and
as many as 80 percent of ruffed grouse
exposed to WNV are killed outright or
might have reduced survival.

Once again, grouse hunters demonstrated their passion. It is amazing to me
that hunters were willing to call in their
dogs, halt their hunts, and collect fresh
blood samples!
In all, 204 filter strips were returned
by hunters from 31 counties. We found
that 13 percent of harvested grouse were
positive for WNV antibodies.
This represents both good and bad
news: Our wild grouse are being impacted

HUNTERS HELP

We answered our questions using
standard wildlife-disease protocols in a
laboratory setting. But we also wanted to
understand WNV impacts on wild grouse.
In autumn of 2015, I mailed more than
600 specialized "blood kits" to our grouse
cooperators and Ruffed Grouse Society
members to gather WNV information
from hunter-harvested grouse.
Each kit included instructions and a
filter-paper strip to be soaked in the fresh
blood of a harvested bird.
Nicole Nemeth pauses before inoculating a
grouse chick at Colorado State University.
SEPTEMBER 2016

7



Table of Contents for the Digital Edition of Pennsylvania Game News - September 2016

Contents
Pennsylvania Game News - September 2016 - Intro
Pennsylvania Game News - September 2016 - Cover1
Pennsylvania Game News - September 2016 - Cover2
Pennsylvania Game News - September 2016 - Contents
Pennsylvania Game News - September 2016 - 2
Pennsylvania Game News - September 2016 - 3
Pennsylvania Game News - September 2016 - 4
Pennsylvania Game News - September 2016 - 5
Pennsylvania Game News - September 2016 - 6
Pennsylvania Game News - September 2016 - 7
Pennsylvania Game News - September 2016 - 8
Pennsylvania Game News - September 2016 - 9
Pennsylvania Game News - September 2016 - 10
Pennsylvania Game News - September 2016 - 11
Pennsylvania Game News - September 2016 - 12
Pennsylvania Game News - September 2016 - 13
Pennsylvania Game News - September 2016 - 14
Pennsylvania Game News - September 2016 - 15
Pennsylvania Game News - September 2016 - 16
Pennsylvania Game News - September 2016 - 17
Pennsylvania Game News - September 2016 - 18
Pennsylvania Game News - September 2016 - 19
Pennsylvania Game News - September 2016 - 20
Pennsylvania Game News - September 2016 - 21
Pennsylvania Game News - September 2016 - 22
Pennsylvania Game News - September 2016 - 23
Pennsylvania Game News - September 2016 - 24
Pennsylvania Game News - September 2016 - 25
Pennsylvania Game News - September 2016 - 26
Pennsylvania Game News - September 2016 - 27
Pennsylvania Game News - September 2016 - 28
Pennsylvania Game News - September 2016 - 29
Pennsylvania Game News - September 2016 - 30
Pennsylvania Game News - September 2016 - 31
Pennsylvania Game News - September 2016 - 32
Pennsylvania Game News - September 2016 - 33
Pennsylvania Game News - September 2016 - 34
Pennsylvania Game News - September 2016 - 35
Pennsylvania Game News - September 2016 - 36
Pennsylvania Game News - September 2016 - 37
Pennsylvania Game News - September 2016 - 38
Pennsylvania Game News - September 2016 - 39
Pennsylvania Game News - September 2016 - 40
Pennsylvania Game News - September 2016 - 41
Pennsylvania Game News - September 2016 - 42
Pennsylvania Game News - September 2016 - 43
Pennsylvania Game News - September 2016 - 44
Pennsylvania Game News - September 2016 - 45
Pennsylvania Game News - September 2016 - 46
Pennsylvania Game News - September 2016 - 47
Pennsylvania Game News - September 2016 - 48
Pennsylvania Game News - September 2016 - 49
Pennsylvania Game News - September 2016 - 50
Pennsylvania Game News - September 2016 - 51
Pennsylvania Game News - September 2016 - 52
Pennsylvania Game News - September 2016 - 53
Pennsylvania Game News - September 2016 - 54
Pennsylvania Game News - September 2016 - 55
Pennsylvania Game News - September 2016 - 56
Pennsylvania Game News - September 2016 - 57
Pennsylvania Game News - September 2016 - 58
Pennsylvania Game News - September 2016 - 59
Pennsylvania Game News - September 2016 - 60
Pennsylvania Game News - September 2016 - 61
Pennsylvania Game News - September 2016 - 62
Pennsylvania Game News - September 2016 - 63
Pennsylvania Game News - September 2016 - 64
Pennsylvania Game News - September 2016 - Cover3
Pennsylvania Game News - September 2016 - Cover4
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