Improved growth performance by type 2 porcine reproductive and respiratory syndrome virus (PRRSV)-based modified live vaccine in a herd with concurrent circulation of type 1 and type 2 PRRSV

Authors

  • Ikjae Kang
  • Hei Suk Kang
  • Jiwoon Jeong
  • Changhoon Park
  • Seeun Kim
  • Kyuhyung Choi
  • Su-Jin Park
  • Sung-Min Hwang
  • Beomseok Oh
  • Sung-Hoon Kim
  • Byunghak Kang
  • Chanhee Chae

Keywords:

control, porcine reproductive and respiratory syndrome, vaccine

Abstract

The objective of this study was to evaluate type 2 porcine reproductive and respiratory syndrome virus (PRRSV)-based modified live vaccine in a herd with concurrent circulation of type 1 and type 2 PRRSV. Type 2 PRRSV-based modified live vaccine improved average daily gain by 48.24 grams/pig/day (631.17 grams/pig/day in the vaccinated group vs 582.93 grams/pig/day in the unvaccinated group; P < 0.05). Pathological examination indicated that the vaccination effectively reduced microscopic lung lesions compared with the control animals. The protection of this vaccine against type 1 and type 2 PRRSV provides clinical control of co-infection with both genotypes under field conditions.

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How to Cite

Kang, I., Kang, H. S., Jeong, J., Park, C., Kim, S., Choi, K., Park, S.-J., Hwang, S.-M., Oh, B., Kim, S.-H., Kang, B., & Chae, C. (2017). Improved growth performance by type 2 porcine reproductive and respiratory syndrome virus (PRRSV)-based modified live vaccine in a herd with concurrent circulation of type 1 and type 2 PRRSV. The Thai Journal of Veterinary Medicine, 47(1), 109–115. Retrieved from https://he01.tci-thaijo.org/index.php/tjvm/article/view/81515

Issue

Vol. 47 No. 1 (2017): March

Section

Short Communications