Claw lesion and culling of female pigs in commercial herds

2010 Fiscal Year Self-evaluation Report

• Project/Area Number: 20580345
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Applied veterinary science
• Research Institution: Meiji University
• Principal Investigator: KOKETSU Yuzo Meiji University, 農学部, 教授 (70328970)
• Project Period (FY): 2008 – 2012
• Keywords: 獣医疫学 / 行動学 / 繁殖生産性 / 動物福祉 / 群健康管理

Research Abstract

国内養豚生産農場における繁殖雌豚の蹄の外傷の詳細の実態と淘汰、生存と長期生存性、そのリスク因子を明らかにする。農家で蹄の外傷について調べる。協力農場から生産データを収集し分析する。

Research Products

• [Journal Article] Claw lesions in lactating sows were associated with culling risk and behavior, but not with reproductive performance on commercial farms. (2011)
  • Author(s): Enokida, M., Sasaki, Y., Hoshino, Y., Saito, H., Koketsu, Y.
  • Journal Title: Livestock Science. 136 Pages: 256-261
• [Journal Article] Euthanasia for gilts and sows on Japanese swine farms. (2010)
  • Author(s): Sasaki, Y., Koketsu, Y.
  • Journal Title: Journal of Veterinary Epidemiology. 14 Pages: 124-129
• [Journal Article] Survivals and risk factors associated with claw lesions of female pigs on a commercial farm. (2010)
  • Author(s): Enokida, M., Sasaki, Y., Takai, Y., Koketsu, Y.
  • Journal Title: Journal of Veterinary Epidemiology. 14 Pages: 118-123
• [Journal Article] Culling intervals and culling risks in non-return to service and reserviced females pigs in commercial herds. (2010)
  • Author(s): Sasaki, Y., Koketsu, Y.
  • Journal Title: Theriogenology. 73 Pages: 587-594
• [Journal Article] A field study of the relationship between leg structure scores and survivability, backfat thickness and behavior in stalled females. (2009)
  • Author(s): Kaneko, M., Sasaki, Y., Takai, Y., Koketsu, Y.
  • Journal Title: Journal of Veterinary Epidemiology. 13 Pages: 114-120
• [Journal Article] Sitting behavior in lactating sows was not related with longevity and lifetime performance. (2008)
  • Author(s): Hoshino, Y. Tanaka, Y, Koketsu, Y.
  • Journal Title: Journal of Veterinary Epidemiology. 12 Pages: 105-109
• [Journal Article] A field study of the relationships between behavior, lifetime reproductive performance and salivary cortisol in stalled gestating female pigs. (2008)
  • Author(s): Sekiguchi, T., Koketsu, Y.
  • Journal Title: Journal of Veterinary Epidemiology. 12 Pages: 99-104
• [Presentation] Floor slat direction related to severity of superficial claw lesions in gestating pigs, but not reproductive performance or behavior. (2010)
  • Author(s): Enokida, M., Koketsu, Y.
  • Organizer: Allen D.Leman Swine Conf., Proc.St.Paul
  • Place of Presentation: Minnesota.
  • Year and Date: 2010-09-19
• [Presentation] A field study of the relationship of leg scores with survivability, backfat thickness and behavior in stalled females. (2009)
  • Author(s): Kaneko, M., Sasaki, Y., Takai, Y., Koketsu, Y.
  • Organizer: Congress of Asian Pig Veterinary Society, Proc.Tsukuba
  • Place of Presentation: Japan
  • Year and Date: 2009-10-27
• [Presentation] Survivals and risk factors associated with claw lesions in female pigs. (2009)
  • Author(s): Enokida, M., Koketsu, Y.
  • Organizer: Allen D.Leman Swine Conf., Proc. St. Paul
  • Place of Presentation: Minnesota
  • Year and Date: 2009-09-20
• [Presentation] Associations between claw lesions, reproductive performance, longevity, and postural behavior in prefarrowing female pigs and lactating sows on commercial farms. (2008)
  • Author(s): Enokida, M., Sasaki, Y., Hoshino, Y., Saito, H., Takai, Y., Koketsu, Y.
  • Organizer: Allen D.Leman Swine Conf., Proc.St.Paul
  • Place of Presentation: Minnesota
  • Year and Date: 2008-09-21