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中國畜牧學會會誌

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篇名 飼糧添加經秀珍菇廢棄培養基固態發酵稻稈對乳用閹公羊消化及健康之影響
卷期 46增刊
並列篇名 Effects of dietary addition of solid-state fermented rice straw by Pleurotus sajor-caju mushroom waste medium on diet digestibility and health status of dairy castrated ram
作者 范耕榛李滋泰陳美杏蕭宗法余碧李春芳
頁次 244-244
關鍵字 發酵稻稈乳用閹公羊秀珍菇廢棄培養基Fermented rice strawGrowing dairy castraed ramPleurotus sajor-caju waste medium
出刊日期 201712

中文摘要

行政院農業委員會畜產試驗所(2)國立中興大學(3)行政院農業委員會農業試驗所 大部分食用菇來自白腐真菌,其能分泌木質纖維酵素。已完成之閹公羊增重試驗顯示,餵 飼經秀珍菇廢棄培養基固態發酵的稻稈,可顯著提高羊隻乾物質採食量及增重,本次試驗 繼續評估該飼糧消化率並監測羊隻健康狀態。以秀珍菇廢棄培養基固態發酵稻稈 8 週備 用。選取 30 頭平均體重 59.6 ± 7.6 kg 之撒能或阿爾拜因閹公羊,逢機均分為 3 組,每 組5 欄。對照組飼糧以盤固拉乾草占飼糧乾基 15% 為之,試驗組以發酵稻稈或稻稈等重 取代對照組盤固拉草,羊隻於 11 週增重試驗後,以全糞收集法連續採集糞便 4 日及採 血。消化試驗結果顯示,三組羊隻的乾物質表面消化率依序為 76.7、77.0 及 73.9%,發 酵稻稈組有高於稻稈組之趨勢(P = 0.08);中洗纖維消化率分別為 63.1、65.9 及 56.3%, 酸洗纖維消化率分別為 55.6、57.8 及 49.4%,纖維消化率皆以稻稈組最低(P < 0.05); 發酵稻稈組有最高的鈣與磷消化率(P < 0.05),鈣 33.1、43.9 及 27.4%,磷 54.0、61.5 及 53.8%。羊隻血液中的 GOT、GPT、肌酸酐及尿酸含量,各組表現相近。綜上,秀珍菇廢 棄培養基固態發酵有效改善稻稈飼糧的活體表面消化率,且 15% 用量不會影響乳用閹公 羊隻的肝腎功能。

英文摘要

Most of the edible mushrooms are from white rot fungi possessing lignocellulase activity. Previous in vivo growing study showed rice straw fermented by Pleurotus sajor-caju mushroom waste medium (PSW) attributed the higher daily dry matter (DM) intakes and weight gain. In this study, the apparent total tract digestibility and health status were evaluated. Rice straw fermented by PSW 8 wks was prepared. Thirty Sanna and Alpine castrated ram averaged body weight of 59.6 kg were assigned into three groups. Pangolagrass hay at 15% of diet DM provided the control diet. By substituting pangolagrass hay, fermented or original rice straw was added. A 4-d continuous total feces collection were conducted after the 11-wk growing trial. Results showed that DM digestibility (D) of ram fed three diets were 76.7, 77.0, and 73.9%, respectively. Ram fed fermented rice straw diet tended to have the higher DMD than those from rice straw group (P = 0.08). NDFD were 63.1, 65.9, and 56.3% and for ADFD 55.6, 57.8, and 49.4%. Both fiber D were lowest for original rice straw diet (P < 0.05). Fermented rice straw group had the highest Ca and P digestibility, for Ca 33.1, 43.9, and 27.4%; for P 54.0, 61.5, and 53.8%. GOT, GPT, creatinine, and uric acid content in blood were all similar. In conclusion, fermentation by POW is an effective way to improve the nutrient digestibility of rice straw. The adoption level 15% in diet for castrated ram would not affect their liver and kidney function.

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