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Volume 32, Number 12—December 2026

Dispatch

Infectious African Swine Fever Virus in Spray-Dried Porcine Plasma Used as Feed Ingredient, South Korea, 2026

Seong-Keun Hong1, Jung-Hoon Kwon1, Da-Won Kim, Hae-Eun Kang, and Yeon-Hee KimComments to Author 
Author affiliation: Animal and Plant Quarantine Agency, Gimcheon, South Korea (S.-K. Hong, H.-E. Kang, Y.-H. Kim); Kyungpook National University, Daegu, South Korea (J.-H. Kwon, D.-W. Kim)

Main Article

Figure 1

Clinical characterization of pigs experimentally infected in investigation of African swine fever virus in SDPP used as feed ingredient, South Korea, 2026. Nine pigs were divided into 3 groups of 3; 1 group was experimentally inoculated with African swine fever virus DNA–positive SDPP and 1 group was fed commercial CF collected in 2026; the third group was the control. A–C) Rectal temperatures (A), clinical sign scores (B), and survival (C) for all 3 groups. Gray shading in panel C indicates survival for SDPP animals, all of which died. D) Viremia in whole blood samples and virus shedding in oral and rectal samples among the SDPP group; all 3 animals in this group died. Error bars indicate SD. CF, compound feed; SDPP, spray-dried porcine plasma.

Figure 1. Clinical characterization of pigs experimentally infected in investigation of African swine fever virus in SDPP used as feed ingredient, South Korea, 2026. Nine pigs were divided into 3 groups of 3; 1 group was experimentally inoculated with African swine fever virus DNA–positive SDPP and 1 group was fed commercial CF collected in 2026; the third group was the control. A–C) Rectal temperatures (A), clinical sign scores (B), and survival (C) for all 3 groups. Gray shading in panel C indicates survival for SDPP animals, all of which died. D) Viremia in whole blood samples and virus shedding in oral and rectal samples among the SDPP group; all 3 animals in this group died. Error bars indicate SD. CF, compound feed; SDPP, spray-dried porcine plasma.

Main Article

1These authors contributed equally to this article.

Page created: September 30, 2026
Page updated: October 19, 2026
Page reviewed: October 19, 2026
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