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  • 學位論文

飼料中添加狹葉羽扇豆粉取代玉米筋質粉對菊池氏細鯽成長之影響

Effect of feed supplement with Lupin meal (Lupinus angustifolius) replacing Corn gluten meal on growth performance of Kikuchi minnow (Aphyocypris kikuchii)

指導教授 : 廖文亮
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摘要


本實驗探討零魚粉飼料中以狹葉羽扇豆粉(Lupin meal;LM)依不同比例取代玉米筋質粉(Corn gluten meal;CGM)對菊池氏細鯽(Aphyocypris kikuchii)之成長、全魚體蛋白質含量(Crude protein content of whole body)、蛋白質效率(Protein efficiency rate, PER)及每百克魚體每日氮增加量(Daily N increase mg /100g body weight)之影響。成長因子檢測的項目包含增重率(Percent weight gain, WG)及飼料效率(Feed efficiency, FE)等項目。 實驗於飼料中添加0%、5%、10%、15%、20%之羽扇豆粉取代等比例之玉米筋質粉,組成分別為G1(控制組): CGM 20% + LM 0%、G2: CGM 15% + LM 5%、G3: CGM 10% + LM 10%、G4: CGM 5% + LM 15%、G5: CGM 0% + LM 20%。使用初始平均體重約0.42g之菊池氏細鯽,每組15隻三重複,餵養六周。 結果顯示,飼料中以LM取代10%組之增重率為38%、飼料效率為23%,與LM取代0%組之增重率44%及飼料效率26%無顯著差異。全魚體蛋白質含量則隨LM取代量增加而下降。蛋白質效率及每百克魚體每日氮增量在LM取代0%組為64.2%及10.77 mg /100g body weight 與LM取代10%組之62.0%及7.84 mg /100g body weight無顯著差異,但當LM取代至15%時則顯著下降。 結論,飼料中以狹葉羽扇豆粉取代玉米筋質粉對菊池氏細鯽成長的最適取代量為10%。

並列摘要


This research evaluated the dietary effects of Lupinus angustifolius meal (LM) replacing corn gluten meal (CGM) on growth performance of Kikuchi minnow (Aphyocypris kikuchii). Kikuchi minnow (0.42 g) were fed for 6 weeks (42 days) on diets contained LM to substitute 0, 5, 10, 15 or 20% with CGM. Fishes were assigned randomly to 5 experimental tanks with different diets, and each diet was fed to triplicate groups of 15 fishes. The results showed there had no significant difference between the diets replaced with 0% LM and 10% LM on percent weight gain (WG): 44%, 38% and feed efficiency (FE): 26%, 23%. Protein content of whole fish body decreased with the higher replacement in diet by LM. Protein efficiency rate (PER) and daily N increase per hundred gram body weight (mg/100g b.w.) had no significant difference between diet replaced with 0% LM and 10% LM. However, WG, PER and daily N increase (mg/100g b.w.) were significant lower in diet replaced with 15% LM than 10% LM. In conclusion, the proper level of replacing CGM with LM for Kikuchi minnow is 10%.

參考文獻


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