飼料の放射線処理

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書誌事項

タイトル別名
  • Radiation treatment of feedstuffs
  • シリョウ ゲンリョウ ノ エイヨウカ ニ オヨボス ガンマセン ショウシャ ノ エイキョウ
  • II. Studies on chick feeding with gamma-irradiated feed ingredients
  • II. 飼料原料の栄養価におよぼすγ線照射の影響

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抄録

Milo, raw and heated soybean meal were irradiated with 5 Mrad and 10 Mrad, and fed to chicks ad libitum for three weeks. The diets contained 55% irradiated milo or 50% irradiated raw and heated soybean meal. The remaining 45% or 50% was a non-irradiated nutritionally adequate semi synthetic ration. Comparable non-irradiated feed ingredients were fed as control. Observations were made on growth, feed intake, metabolizable energy value of the diet, digestibility of protein and pancreas weight.<br>The following results were obtained:<br>1. Marked increase in feed intake was observed in irradiated milo diet. The metabolizable energy value of irradiated milo (5 and 10 Mrad) was significantly reduced.<br>2. Marked growth retardation and reduction of feed efficiency of heated soybean diet was observed by 10 Mrad.<br>3. Raw soybean diet showed significantly poorer growth than heated ones. However, chick growth, feed efficiency, protein digestibility and metabolizable energy of soybean diet were improved by 10 Mrad.<br>4. The activity of trypsin inhibitor and pancreatic hypertrophy of chicks fed the raw soybean diet appeared to be reduced in response to the radiation dose.<br>5. No gross symptoms of toxicity due to irradiated feed ingredients were found in any of the chicks.

収録刊行物

  • 日本畜産学会報

    日本畜産学会報 42 (12), 624-629, 1971

    公益社団法人 日本畜産学会

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