Veterinaria

Páginas: 14 (3437 palabras) Publicado: 16 de septiembre de 2012
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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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