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題名 | 菜鴨品系間血液、殼腺黏膜細胞及子宮液中鈣與鎂含量與蛋殼品質之關係=The Relationship between Eggshell Quality and Calcium and Magnesium Contents in the Blood, Uterine Mucosa, and Uterine Cavity of Tsaiya Ducks |
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作者 | 黃振芳; 林榮新; 游士雯; 顧穎傑; 林誠一; 沈添富; 胡怡浩; Huang, Jeng-fang; Lin, Jung-hsin; Yu, Shih-wun; Guh, Ying-jey; Lin, Chung-yi; Shen, Tian-fuh; Hu, Yi-hao; |
期刊 | 畜產研究 |
出版日期 | 20060300 |
卷期 | 39:1 民95.03 |
頁次 | 頁1-10 |
分類號 | 437.73 |
語文 | chi |
關鍵詞 | 蛋殼強度; 殼腺黏膜細胞; 子宮液; 鈣; 鎂; Eggshell strength; Shell gland mucosa; Uterine fluid; Calcium; Magnesium; |
中文摘要 | 本試驗旨在探討菜鴨品系間血液、殼腺黏膜細胞及子宮液中鈣與鎂含量與蛋品質之關係。試驗採2(品系)×2(飼糧鎂)複因子設計,高、低蛋殼強度品系菜鴨自53週齡起分別餵飼高鎂(2400 ppm)及低樣(738 ppm)飼糧三週,於試驗期間之第0、7、14及21天採翅下靜脈血,定血漿鈣、鎂濃度;並於第22及23天犧牲鴨隻,測定鴨隻殼腺黏膜細胞及子宮液中筐、鎂含量。實驗結果顯示,高蛋殼強度品系(HES0及低蛋殼強度品系(LES)菜鴨40週齡蛋殼強度分為5.76及5.19 kg。HES菜鴨之血漿鈣濃度較LE鴨者為低;且在試驗三週後,餵飼高鎂飼糧之HES菜鴨,其血漿鈣濃度顯著較其它處理組合為低。血漿鎂濃度自試驗第7天即可觀察到飼糧鎂主效應顯著,但品系效應在血漿鎂濃度上並未呈現。殼腺黏膜細胞鈣濃度及總鈣含量在品系間及飼糧鎂含量間均無顯著差異;HE鴨殼腺黏膜細胞鎂濃度有較LES菜鴨者低的趨勢,且兩者總鎂含量呈現品系主效應之顯著性;無論品系或飼糧鎂,對於殼腺腔總鈣及總鎂含量之主效應均不顯著;在品系與飼糧鎂交感作用方面,只有殼腺黏膜細胞總鎂含量有交感作用,其它性狀如血漿鈣、血漿鎂濃度、殼腺黏膜胞鈣濃度、總鈣含量、鎂濃度及殼腺腔總鈣、總鎂含量,在試驗期間均無交感作用。本試驗顯示自殼腺黏膜細胞運輸鈣至殼腺腔的過程中HES及LES菜鴨確實存在差異性,雖然此差異性在鎂的運輸較不明顯,但鎂在蛋殼品質上所扮演的角色,及其在殼腺黏膜細胞之運輸機制,仍值得深入探討。 |
英文摘要 | This study was aimed to determine the relationship between eggshell quality and calcium (Ca) and magnesium (Mg) contents in the blood, utrine mucosa, and uterine cavity of Tsaiya ducks. A factorial experiment of two lines (high eggshell strength, HES; and low eggshell strength, LES) and two dietary Mg levels 9high magnesium, HMG; and low magnesium, LMG) was employed. Ducks of HES and LES from 53weeks of age were fed diets with high (2400 ppm) and low (738 ppm) Mg, respectively, for three weeks . blood was taken from hrachial veins on day 0, 7, 14 and 21 for the determination of plasma Ca and Mg concentrations. The ducks were sacrificed on day 22 and 23 for the measurement of Ca and Mg contents in the uterine mucosa and uterine cavity. The results showed that the eggshell strength of HES and LES ducks at 40weeks of age was 5.76 and 5.19 kg, respectively. The ducks with high eggshell strength had lower levels of plasma Ca. After three weeks of treatment, the plasma Ca level of HES ducks fed HMG diet was lower than the other treatments. The main effect of dietary Mg was observed on the plasma Mg level since day 7 after treatment. However, the major effect of line was not noticed on the plasma Mg level. The Ca and Mg concentrations in uterine mucosa were similar between lines and between dietary Mg levels. The Mg concentration in the HES uterine mucosa tended to be lower than that in the LES one; and there was a main effect of line on the total Mg content in the uterine mucosa. The interaction between line and dietary Mg was only observed on total Mg content in the uterine mucosa. It illustrated that there were some differences between HES and LES ducks in the transportation of Ca across shell gland mucosa into the uterine fluid. Although the differences were not so obvious for Mg transport across the shell gland mucosa, the role of Mg plays on the eggshell quality and how it is transported across the shell gland deserve further studies. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。