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Ostertagia occidentalis

National Institutes of Health

Papers overview

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2010
2010
The systematics of the Ostertagiinae is unsettled with no agreement on how many genera and species are present in cattle and… 
1989
1989
Surface cuticular ridge patterns (synlophes ) are among the most useful characteristic s for identifying trichostrongyloi d… 
1978
1978
1970
1970
  • J. Slocombe
  • Canadian journal of zoology
  • 1970
  • Corpus ID: 43549034
Ostertagia trifurcata was found in a steer in Canada and now recorded for the first time as infecting cattle in North America…