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題 名 | 飼糧添加吡啶甲酸鉻對蛋鴨產蛋性能、血清性狀及營養分利用率之影響=Effects of Dietary Chromium Picolinate Supplementation on Egg Production, Serum Traits, and Nutrient Utilization of Tsaiya Ducks |
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作 者 | 李德南; 鄭永祥; 鍾昇軒; 張廣彥; 王俊儀; 陳建宏; | 書刊名 | 宜蘭技術學報 |
卷 期 | 5 2000.12[民89.12] |
頁 次 | 頁9-15 |
分類號 | 437.111 |
關鍵詞 | 吡啶甲酸鉻; 菜鴨; 產蛋性能; 鈣利用; Chromium picolinate; Tsaiya duck; Egg production; Calcium utilization; |
語 文 | 中文(Chinese) |
中文摘要 | 2個試驗共利用76隻褐色菜鴨,以探討飼糧中添加□啶甲酸鉻對菜鴨產蛋性能、血 清性狀及營養分利用率之影響。基礎飼糧以玉米-大豆粕為主,分別添加鉻0(對照組)、 200、400和800 ppb。試驗1,每處理15隻,由25週齡任食飼養至48週齡,每隔4週測定蛋品 質及於48週齡抽血分析血清性狀。試驗2 利用50週齡菜鴨進行代謝試驗,每處理4隻,每日 餵飼體重12%之飼料量,收集糞便測定營養分利用率。試驗1結果發現,飼糧處理未顯著影響 菜鴨之產蛋率和蛋品質,但添加鉻降低試驗前期之蛋殼重、蛋殼強度及蛋殼厚度,以及試驗 後期之蛋殼強度。試驗後期飼料採食量具有隨飼糧中添加鉻量增加而降低之趨勢(P<0.07 )。飼糧處理雖不影響菜鴨血清性狀,但添加鉻組具有降低血清中鹼性磷酸□活性及提高無 機磷濃度之趨勢(P<0.10)。試驗2結果發現,飼糧處理並不影響菜鴨之產蛋率和蛋品質, 但添加800 ppb鉻組顯著降低飼糧中灰分和鈣之利用率,由以上結果顯示,飼糧中添加鉻可 能會降低菜鴨對鈣之利用率而導致蛋殼品質變差。 |
英文摘要 | Seventy-six brown Tsaiya ducks were randomly assigned to 2 trials to evaluate the effects of chromium (Cr) from chromium picolinate on the egg production, serum traits, and nutrient utilization. In trial 1, the ducks were fed com-soybean meal basal diet supplemented with Cr at a level of 0 (control), 200, 400, and 800 ppb and each treatment was contained of 15 ducks during 25 to 48 wks of age. Egg quality was determined every 4 wks and blood was collected for analyzing of serum traits at 48 wks of age. In trial 2, four ducks of per treatment were housed in a metabolic cage individually from 50 to 52 wks of age and allowed to consume their designed diets on 12% of body weight daily. Total excreta were collected for measuring nutrient utilization. In trial 1, dietary treatment had no effect on eff performance. However, supplementation with Cr decreased the eggshell weight, breaking strength, and thickness at 25-36 wks of age. Dietary supplementation with Cr also decreased the eggshell breaking strength and tended to reduce the feed intake at 37-48 wks of age (P<0.07). Dietary treatment had no effect on serum traits. But, the activity of serum alkaline phosphatase was decreased and the level of inorganic phosphorus was tended to enhance with supplementation Cr groups (P<0.10). In trial 2, dietary treatment had no effect on egg performance, but the utilization of ash and calcium of 800 ppb Cr group were significantly lower than those of control or other Cr groups. The results suggest that supplmental Cr from chromium picolinate might decrease calcium utilization, and thereby reduce the eggshell quality of Tsaiya ducks. |
本系統中英文摘要資訊取自各篇刊載內容。