Effect of Litter Moisture on the Development of Footpad Dermatitis in Broiler Chickens

  • TAIRA Kazuyo
    Japan Farm Co., Ltd., 651 Masumaru, Osaki-cho, So-gun, Kagoshima 899–7303, Japan
  • NAGAI Toshimune
    The Chemo-Sero-Therapeutic Research Institute, Kikuchi Research Center, 1314–1 Kawabe Kyokushi, Kikuchi, Kumamoto 869–1298, Japan
  • OBI Takeshi
    Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan
  • TAKASE Kozo
    Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1–21–24 Korimoto, Kagoshima 890–0065, Japan

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Broiler chicks were reared on either wet litter or dry litter to compare the development of footpad dermatitis (FPD). Broilers reared on wet litter first developed FPD at 14 days of age. Their FPD scores increased sharply after 21 days of age, reaching 2.92 at 42 days. In broilers reared on dry litter, FPD was first observed at 28 days of age, and the FPD score was only 0.70 at 42 days. When 21- or 28-day-old broilers that had been reared on wet litter and had developed FPD were moved to dry litter, the progression of FPD was suppressed or delayed. These results suggest that reducing litter moisture is effective in preventing FPD and suppressing disease progression.

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