豆腐粕,パン屑主体サイレージおよびパスタ屑の給与が肥育豚の発育および体脂肪に及ぼす影響

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  • The Effects of Feeding Stale Pasta, and Stale Bread and Tofu Cake Silage on Growth and Body Fat in Growing and Fattening Pigs.
  • トウフカス パンクズ シュタイ サイレージ オヨビ パスタクズ ノ キュウヨ ガ ヒイク ブタ ノ ハツイク オヨビ タイシボウ ニ オヨボス エイキョウ

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In order to investigate the effective use of food by-product, the diet containing stale pasta and the silage consisting of stale bread and tofu cake were fed to growing-fattening pigs. Two experiments were carried out with LD crossbred (Trial I) and LWD crossbred (Trial II). Swine were divided into three experimental groups with different diet: mixture diet as control, pasta diet with 40% stale pasta (Trials I and II), and bread and tofu cake diet with 76% (Trial I) or 90% (Trial II) stale bread and tofu cake. Rations were fed on till their average weight reached 105kg, and the growth efficiency and the meat quality were examined. Daily gain (DG) of stale bread and tofu cake diet at Trials I and II showed superior results compared with the control. Although the DG of pasta diet at Trial I was a little lower compared with the control, DG of Trial II was higher than that of the control. The body fat of swine at pasta diet was rich in saturated fatty acid, and its melting point was higher than that of bread and tofu cake diet. As for dressing percentage, back fat thickness and meat color, significant difference was not observed at each diet, therefore the diet that contains food by-products is useful for growing-fattening pigs.

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