Relationship between Severity of Footpad Dermatitis and Carcass Performance in Broiler Chickens

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  • HASHIMOTO Shinichiro
    United Graduate School of Veterinary Science, Yamaguchi University, 1677–1 Yoshida, Yamaguchi 753–8515, Japan Marubeni-Chikusan Corporation, 20–24 Gotohbuchi, Ohyanagi, Misato-machi, Toda-gun, Miyagi 989–4204, Japan
  • YAMAZAKI Kenichi
    The Chemo-Sero-Therapeutic Research Institute, 1–6–1 Okubo, Kumamoto 860–8568, Japan
  • OBI Takeshi
    United Graduate School of Veterinary Science, Yamaguchi University, 1677–1 Yoshida, Yamaguchi 753–8515, Japan Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
  • TAKASE Kozo
    United Graduate School of Veterinary Science, Yamaguchi University, 1677–1 Yoshida, Yamaguchi 753–8515, Japan Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan

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The relationship between the severity of footpad dermatitis (FPD) and growth performance parameters (live weight, condemnation rate, leg meat yield and breast meat yield) was investigated in a total of 63 million broiler chickens that were processed over a period of 1,053 days between 2008 and 2012 at a full-scale processing plant in Kagoshima Prefecture, Japan. FPD scores and carcass data were summarized daily and analyzed to determine their correlations. It was found that FPD severity was positively correlated with the condemnation rate and negatively correlated with the live weight and leg meat yield. These results indicate that controlling FPD may play an important role in reducing condemnations while improving live weight and leg meat yields.

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