Effect of Active Egg White Product on Peripheral Blood Neutrophil and Lymphocyte Function in Cows

  • SATO Shigeru
    Ken-nan Veterinary Clinic Center, Miyagi Prefectural Federated Agricultural Mutual Aid Association
  • OKADA Keiji
    岩手大学農学部
  • SUZUKI Toshiyuki
    Ken-nan Veterinary Clinic Center, Miyagi Prefectural Federated Agricultural Mutual Aid Association

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  • 乳牛の末梢血液中の好中球およびリンパ球機能に及ぼす活性卵白粉末の影響
  • ニュウギュウ ノ マッショウ ケツエキ チュウ ノ コウ チュウキュウ オヨビ リンパキュウ キノウ ニ オヨボス カッセイラン パク フンマツ ノ エイキョウ

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Abstract

Nitroblue tetrazolium (NBT) reductivity of peripheral blood neutrophils and blastogenic activity of peripheral blood lymphocytes were investigated in cows administered with a single oral dose of active egg white product (AEWP; 500mg/kg). NBT reductivity of neutrophils increased and reached a maximum level at one to three days after administration. Administration of AEWP enhanced the blastogenic activities of lymphocytes for phytohaemagglutinin (PHA) and concanavalin A (Con A). Stimulation index (SI) values for PHA and Con A increased and reached a maximum level at two to three days after administration. These results suggested that a single oral dose of AEWP (500mg/kg) might enhance the bovine peripheral blood neutrophil and lymphocyte function.

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