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頁籤選單縮合
題名 | 飼糧蛋白質及能量含量對種母土雞繁殖性能之影響 |
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作者 | 林正鏞; 徐阿里; | 書刊名 | 畜產研究 |
卷期 | 27:4 1994.12[民83.12] |
頁次 | 頁325-338 |
分類號 | 437.714 |
關鍵詞 | 臺灣土雞; 蛋白質; 能量; 繁殖性能; Taiwan country chicken; Protein; Energy; Reproductive performance; |
語文 | 中文(Chinese) |
中文摘要 | 本試驗之目的在探討不同飼糧蛋白質及代謝能含量,對本所育成之二元雜交種母土雞產蛋期各項性能之影響。供試隻選用本所育成之7×T品系母種土雞。試驗採3×2複因子設計,即三種不同飼糧蛋白質含量(14.5%,16.0%,17.5%)及二種飼糧代謝能含量(2700 kcal,2900 kcal),每第理組36隻雞,計216隻。試驗分二次進行,第一次雞齡盥34週齡,第二次雞齡為57週齡,每次試驗期5週,水及飼料均任飼,每天給予光照15小時30分(鐘(0500~2030)。 由本試驗結果顯示;飼糧蛋白質含量及代謝能含量對產蛋率、蛋重、蛋黃比例、受精率、孵化率、雛雞重、體重變化及產蛋效率等性狀均無顯著影響(P>0.05)。飼糧蛋白質含量並不顯著影響平均隻日飼料採食量(P>0.05);但代謝能含量於57~61週齡顯著影響平均隻日飼料採含量,2900 kcal顯著低於2700 kcal(p<0.05)。飼糧代謝能含量並不顯著影響蛋殼品質(P>0.05),至飼糧蛋白含量於57~61週齡顯著影響蛋殼品質,16.0%處理組的平均蛋比重及蛋殼強度顯著優於14.5%處理組(P<0.05)。而蛋白質含量與代謝能含量間與各性狀亦無顯著交感作用(P>0.05)。而綜合6處理組間的產蛋率、蛋重、受精率、孵化率、蛋殼品質、雛雞重及產蛋飼效等性狀之表現,以飼糧含蛋白質14.5%;代謝能2700 kcal之組合表現最佳。 |
英文摘要 | The purpose of this experiment is to study the effects of diets of different protein levels and energy levels on the reproductive performance of native country hens. A 3×2 factorial arrangement was used with three protein levels (14.5%, 16.0%, and 17.5%) and two ME levels (2700, 2900 kcal/kg). Two hundred sixteen female Taiwan country chickens of 34 and 57 weeks old were used. Hens of each group were allocated into three replicates with 12 in each treatment group. Water and feed were supplied ad libitum, and photoperiod was provided 15.5 hours per day. The experimental period was five weeks from 34 to 38,and 57 to 61 weeks of age. The results indicated that the egg production, egg weight, yolk ratio, body weight change, fertility, hatchability, feed conversion, and hatched live chick weight were not influenced by dietary protein and energy levels. The dietary protein levels didn’t affect feed consumption, but the dietary energy levels significantly (P<0.05) affect feed consumption. The hens fed with 2900 kcal/kg metabolizable energy diet had significant (P<0.05) less feed consumption than that of 2700 kcal metabolizable energy group during 57 to 61 weeks of age. The dietary energy levels didn't affect the egg shell quality, but he dietary protein levels significantly (P<0.05) affect the egg shell quality. The hens fed with 16.0% protein diet had significant (P<0.05) heavier egg specific gravity, and better egg breaking strength than that of 14.5% protein group during 57 to 61 weeks old . No significantly (P<0.05) interaction was found between dietary protein and energy levels. The results indicated that the diet containing 14.5% protein and 2700 kcal/kg metabolizable energy was sufficient to maintain normal reproductive performance of hens through 34 to 61 weeks of age. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。