The effect of route of inoculation on the virulence of raptorial Pasteurella multocida isolates in Pekin ducks (Anas platyrhynchos)

Faruk Pehlivanoglu; Teresa Y. Morishita; Pyone Pyone Aye; Robert E. Porter; Elisabeth J. Angrick; Brian S. Harr; Bedros Nersessian

doi:10.2307/1592769

The effect of route of inoculation on the virulence of raptorial Pasteurella multocida isolates in Pekin ducks (Anas platyrhynchos)

Faruk Pehlivanoglu, Teresa Y. Morishita, Pyone Pyone Aye, Robert E. Porter, Elisabeth J. Angrick, Brian S. Harr, Bedros Nersessian

Veterinary Population Medicine

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Abstract

The purpose of this study was to determine the virulence of raptorial Pasteurella multocida for ducks and the effect of various routes of inoculation on virulence. Four-week-old Pekin ducks (Anasplatyrhynchos) were challenged with one of three raptorial isolates (RTHA-2, RTHA-4, or WESO-1) by one of five inoculation routes (intranasal, intraocular, intravenous, oral, and subcutaneous). Ducks were monitored daily for mortality until 2 wk postchallenge. Results indicated that the intravenous route caused the most mortality for all isolates and that significant variation existed in the virulence among the sources of P. multocida, with WESO-1 causing the least mortality of the isolates tested.

Original language	English (US)
Pages (from-to)	116-121
Number of pages	6
Journal	Avian Diseases
Volume	43
Issue number	1
DOIs	https://doi.org/10.2307/1592769
State	Published - Jan 1 1999

Keywords

Avian choleta
Ducks
Inoculation routes
Pasteurella multocida
Path-ogenesis
Raptors
Virulence

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title = "The effect of route of inoculation on the virulence of raptorial Pasteurella multocida isolates in Pekin ducks (Anas platyrhynchos)",

abstract = "The purpose of this study was to determine the virulence of raptorial Pasteurella multocida for ducks and the effect of various routes of inoculation on virulence. Four-week-old Pekin ducks (Anasplatyrhynchos) were challenged with one of three raptorial isolates (RTHA-2, RTHA-4, or WESO-1) by one of five inoculation routes (intranasal, intraocular, intravenous, oral, and subcutaneous). Ducks were monitored daily for mortality until 2 wk postchallenge. Results indicated that the intravenous route caused the most mortality for all isolates and that significant variation existed in the virulence among the sources of P. multocida, with WESO-1 causing the least mortality of the isolates tested.",

keywords = "Avian choleta, Ducks, Inoculation routes, Pasteurella multocida, Path-ogenesis, Raptors, Virulence",

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AU - Aye, Pyone Pyone

AU - Porter, Robert E.

AU - Angrick, Elisabeth J.

AU - Harr, Brian S.

AU - Nersessian, Bedros

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AB - The purpose of this study was to determine the virulence of raptorial Pasteurella multocida for ducks and the effect of various routes of inoculation on virulence. Four-week-old Pekin ducks (Anasplatyrhynchos) were challenged with one of three raptorial isolates (RTHA-2, RTHA-4, or WESO-1) by one of five inoculation routes (intranasal, intraocular, intravenous, oral, and subcutaneous). Ducks were monitored daily for mortality until 2 wk postchallenge. Results indicated that the intravenous route caused the most mortality for all isolates and that significant variation existed in the virulence among the sources of P. multocida, with WESO-1 causing the least mortality of the isolates tested.

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KW - Ducks

KW - Inoculation routes

KW - Pasteurella multocida

KW - Path-ogenesis

KW - Raptors

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The effect of route of inoculation on the virulence of raptorial Pasteurella multocida isolates in Pekin ducks (Anas platyrhynchos)

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