distribution and seasonal prevalence of bovine lungworms in selected areas in western a survey (oct, 1967, through aug, 1969) of the distribution and seasonal prevalence of bovine lungworms in beef herds in 3 western montana counties (park, gallatin, and ravalli), infected cattle were detected in 27 of 35 herds. results of 2,125 fecal examinations indicated that 7.8% of all cattle were infected with dictyocaulus viviparus. lungworms were found in 6.6% of 1,038 calves (less than 12 months old), 11.5% of 755 yearlings (1 to 2 years old), and 3.3% of 332 cows (more than 2 years o ...1975123141
observations on epizootiology and distribution of elaeophora schneideri in montana ruminants.seventy-four moose, 111 elk, 20 mule deer, 8 white-tailed deer, 26 prong-horn antelope, 42 domestic sheep and 3 bighorn sheep from montana or northwestern wyoming were examined post-mortem for evidence of elaeophora schneideri infection in 1973-74. fifteen percent of the mule deer and four percent of the moose were positive for adult arterial worms. this constitutes the first report of e. schneideri in mule deer in montana. no gross signs of blindness or other neurologic disorder were evident in ...1975127848
coyote as a final host for sarcocystis species of goats, sheep, cattle, elk, bison, and moose in montana.tissues (1 kg) from sheep, goats, cattle, moose, bison, or elk naturally infected with sarcocystis species were fed to one to four sarcocystis-free coyotes and the number of sporocysts in feces and intestines were counted. all 12 coyotes fed naturally infected tissues shed sarcocystis in feces, with a prepatent period of 9 to 15 days. the four coyotes fed infected beef had 15, 25, 113, and 201 million sporocysts in their feces and intestines. the coyotes fed elk, moose, or bison had 2.5, 15, and ...19806778270
sarcocystis species in moose (alces alces), bison (bison, bison), and pronghorn (antilocapra americana) in montana.the transmission of sarcocystis spp from naturally infected moose, bison, and pronghorn was attempted in laboratory-raised coyotes and dogs. infected musculature from a moose was feed to a dog and a coyote, and 12 days later, both animals shed sporocysts. sporocysts were 14 to 17 x 8.5 to 10.5 micron (av 14.5 x 8.8). a coyote was fed muscle from a bison, and 11 days later, it shed sporocysts. the sporocysts were 14 to 16 x 9 to 11 micron (14.0 x 9.0). infected tissues from a pronghorn were fed t ...19806782919
isolation of encysted toxoplasma gondii from musculature of moose and pronghorn in montana.pieces of skeletal muscle from 43 mule deer, 34 elk, 4 white-tailed deer, 21 pronghorn, 7 moose, and 2 bison were examined for toxoplasma infection, by the acid-pepsin digestion technique. toxoplasma gondii was isolated from 1 moose and 1 pronghorn. the isolated strains of t gondii were of low virulence to mice.19817224306
septicemic pasteurellosis in free-ranging neonatal pronghorn in part of a study to determine the cause(s) of population decline and low survival of pronghorn (antilocapra americana) neonates on hart mountain national antelope refuge (hmnar), oregon (usa), 55 of 104 neonates captured during may 1996 and 1997 were necropsied (n = 28, 1996; n = 27, 1997) to determine cause of death. necropsies were conducted on fawns that died during may, june, or july of each year. the objectives of this study were to report the occurrence and pathology of pasteurellosis in ...200010813624
weights of moose in montana. 19734744941
elaeophorosis in moose from montana. 19725049116
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