Veterinaria
of
31’ildls/
I)i
(‘(1S’
.JJ 1 I )istst
1997. I2P
Assxiatioti
56
c: \ iI(IIilt
I9ii7
SEROLOGICAL COYOTES WYOMING
(CANIS
SURVEY
FOR
DISEASES
IN FREE-RANGING NATIONAL PARK,
LATRANS)
IN YELLOWSTONE
Eric M. Gese,16 Ronald D. Schultz,2 Crabtree,5 and Robert L. Ruff1
I
Mark R. Johnson,37
Elizabeth
S. Williams,4
Robert
L.
ofWildlife Ecology, University of Wisconsin, Madison, Wisconsin 53706, USA of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, Wisconsin 53706, USA 3 Yellowstone Center for Resources, National Park Service, Yellowstone National Park, Wyoming 821 90, USA 4 Wyoming State Veterinary Laboratory, Department of Veterinary Sciences, University of Wyoming, Laramie,Wyoming 82070, USA 5 Biology Department, Montana State University, Bozeman, Montana 59717, USA 6 Present address: Denver Wildlife Research Center, Department of Fisheries and Wildlife, Utah State University, Logan, Utah 84322-5295, USA 7 Present address: Wildlife Veterinary Resources, P.O. Box 969, Gardiner, Montana 59030, USA
2
Department Department
ABSTRA(F: latrans) bodies (12 nionths(CDV) aiiiomig dechimied hepatitis and over against pups. young time to for
From various
October diseases
1989 in
to
June
1993, National
we
captured
and
sampled
110
coyotes
(Canis
Wyoming (USA). Prevalence of antiagainst canine parvovirus (CPV) was 100% for (>24 months old), 100% for yearlings 24 months old), and 100% for old pups (4 to 12 months old); 0%of the young pups (24 mo
old).
pups
The
was
distinction
made because
between
young
young
pups
and
were
old
cap-
diseases, of possible
upon coyotes
as well diseases
returning could
as an that
indicator wolves
park.
tured
antibodies,
at the
den
whereas
and
encounter
to the be susceptible
to diseases brought in by reintroduced wolves.Baseline data prior to wolf reintroduction or recovery is needed to document the
coyote
the fall and maternal dined by 5 to 6 mo
Green
may have had maternal old pups were trapped in antibodies would have deof age (Gorham, 1966;
et
al.,
1984).
The
serum
samples
were
analyzed
for
anti-
prevalence
population.
of
certain
We
report
of a serologicalnine
virus (ICH)
survey (CPV),
infectious leptospirosis,
for
diseases the evidence
in the results of cahepatitis tulare-
parvovirus
(CDV), virus,
canine
canine plague,
distemper
bodies against CPV, CDV, and ICH virus; five serovars of Leptospira interrogans; as well as Yersinia pestis, Francisella tularensis, and Brucelia spp. at the School of Veterinary Medicine,University of Wisconsin, Madison, Wisconsin (USA) and the Wyoming State Veterinary Laboratory, University
oming.
We
used
of Wyoming, Laramie, Wythe hemagglutination inhibi-
mia,
tes
and
in
brucellosis
Yellowstone
in free-ranging
National Park,
coyoWyo-
ming.
MATERIALS AND METHODS
Coyotes from 17 packs were captured in the Lamar River Valley (44#{176}55’N,11O#{176}15’E) and Blacktail Plateau region (44#{176}55’N, 1 10#{176}35’E) in Yellowstone National Park. Nine packs in the Lamar Valley and eight packs in the Blacktail region were sampled. The two study areas were separated by about 15 km. Elevations in the park ranged from 1,500 to 3,400 m with the study areas at about 2,000 iii above sea level. Winters are long and cold with most of the annualprecipitation falling as snow (Despain, 1990). Coyotes 4 mo of age were captured with padded, offset-jaw, leg-hold traps with attached tranquilizer tabs (Balser, 1965). Coyotes were immobilized with ketamine hydrochloride and xylazine hydrochloride (Comely, 1979) for removal from the trap and processing. Animals were weighed, had their sex determined, were aged by tooth wear (Gier, 1968), were eartagged,...
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