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題 名 | 飼糧中不同鈣、銅含量對生長期來航雞肝臟中銅含量及血漿中鈣、銅含量之影響=The Effect of Dietary Calcium and Copper Levels on the Liver Copper, Plasma Calcium and Plasma Copper Level in Growing Pullets |
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作 者 | 洪炎明; 余裴文; 陳國隆; 吳建平; 黃希賢; | 書刊名 | 嘉義技術學院學報 |
卷 期 | 64 1999.06[民88.06] |
頁 次 | 頁1-11 |
分類號 | 437.111 |
關鍵詞 | 鈣; 銅; 生長期來航雞; 肝臟; 血漿; Calcium; Copper; Liver; Plasma; Growing pullets; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗目的在探討飼糧中添加不同鈣、銅含量對生長期來航雞肝臟中銅含量及血 漿中鈣、銅含量之影響。 試驗以同日鹼生長期來航雞 216 隻,逢機分為六處理( 0.9% 鈣 ,0 ppm 銅; 0.9% 鈣,125 ppm 銅;0.9% 鈣,250 ppm 銅;1.8% 鈣,0 ppm 銅;1.8% 鈣,125 ppm 銅;1.8% 鈣 250 ppm 銅)每處理 3 重複,每重複 12 隻,試驗期 7 週。試 驗結果顯示肝臟中銅含量在 2-4 及 7-8 週齡等階段,0.9% 鈣處理組顯著高於 1.8% 高鈣 組( P<0.05 )。 當飼料中銅添加量提高至 250 ppm 時,則肝臟中銅含量會明顯增加( P<0.05 )。在 2-4 週齡血漿中含鈣量, 1.8% 鈣組飼糧顯著高於 0.9% 鈣組( P<0.05 ) ,但到 5-6 及 7-8 週齡則高鈣含量飼糧與適量鈣組並無顯著差異存在( P>0.05 )。5-6 週齡時,125 ppm 及 250 ppm 銅之添加可顯著提高血鈣含量( P<0.05 )。在 7-8 週齡時 ,飼糧中銅含量提高至 125 ppm 時,血漿中游離銅有顯著提高( P<0.05 );各階段的血 漿中游離銅含量隨著鈣含量的增加而降低( P<0.05 )。 在 2-4 週齡時,肝臟中銅含量及 血漿中游離銅方面,鈣銅之添加出現顯著的交感作用( P<0.05 );5-6 週齡時,在血漿中 含鈣量方面亦有顯著之交感作用( P<0.05 )。 總之,由本試驗得知 250 ppm 銅之添加可 提高肝臟中銅含量,1.8% 鈣組飼糧有較低的肝臟中銅含量及血漿中游離銅。 |
英文摘要 | The purpose of this study is to investigate the effect of dietary calcium and copper levels on the liver copper, plasma calcium and plasma copper level in growing pullets. Two hundred and sixteen one-week-old were randomly assigned to 6 different dietary treatments (0.9% calcium, 0 ppm copper; 0.9% calcium, 125 ppm copper; 0.9% calcium, 250 ppm copper; 1.8% calcium, 0 ppm copper; 1.8% calcium, 125 ppm copper; 1.8% calcium, 250 ppm copper). Three replicates with twelve pellets in each treatment. The experiment was lasted for 7 weeks. The results indicated that the pullets had 0.9 % of dietary calcium showed higher (P< 0.05) liver copper than those had 1.8% calcium at 2-4 and 7-8 weeks. The liver copper levels were significantly increased when the copper supplement was increased to 250 ppm (P< 0.05). At 2-4 weeks, the pullets with 1.8% calcium had higher (P< 0.05) plasma calcium than those with 0.9% calcium. However, there was no difference (P> 0.05) between the groups had 0.9 % and 1.8% of dietary calcium at 5-6 and 7-8 weeks. Moreover, the plasma calcium was significantly increased (P< 0.05) by the 125 ppm and 250 ppm copper supplement at 5-6 weeks. At 7-8 weeks, the plasma copper levels were significantly increased when the copper supplement was increased to 125 ppm (P< 0.05). At three stages, the plasma copper levels were significantly decreased (P< 0.05) when the dietary calcium increased. Taken together, this study indicated that the supplement 250 ppm copper showed higher liver copper. The pullets had 1.8% calcium showed lower liver copper and plasma copper than those had 0.9% calcium. |
本系統中英文摘要資訊取自各篇刊載內容。