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頁籤選單縮合
題 名 | 初產月齡與換羽對環控鵝舍內種鵝繁殖性能之影響=Effects of Age at the First Egg and Molting on Reproduction Performance of White Roman Geese Kept in Environment-controlled House |
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作 者 | 張伸彰; 林旻蓉; 吳國欽; 賈玉祥; 鄭裕信; 范揚廣; | 書刊名 | 畜產研究 |
卷 期 | 44:3 2011.09[民100.09] |
頁 次 | 頁225-233 |
分類號 | 437.75 |
關鍵詞 | 初產月齡; 換羽; 繁殖性能; 白羅曼鵝; Age at the first egg; Molting; Reproduction performance; White Roman geese; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗旨在探討環控鵝舍內不同初產月齡(10 月齡及12 月齡)、換羽與否對種鵝繁殖性狀之影響。試驗採完全逢機設計(completely randomized design, CRD),將2 初產月齡(10、12 月齡)×2 換羽與否之4 複因子處理,逢機安排於環控鵝舍內之8 欄,每欄有3 隻公鵝及10 隻母鵝,全部試驗共計使用24 隻公鵝及80 隻母鵝。種鵝於休產期餵飼粗蛋白質含量13%、代謝能含量2,350 kcal/kg 之飼糧,即於產蛋期餵飼粗蛋白質含量18%、代謝能含量2,650 kcal/kg 之飼糧。試驗結果顯示,種鵝於進入環控鵝舍時,2 種初產月齡鵝隻之體重間無差異;在產蛋高峰時10 月齡初產鵝隻之體重顯著較12 月齡初產者重(4.99 vs.4.80 kg, P < 0.05);種鵝於進入環控鵝舍至調整每日光照為7 小時經6 週後,10 月齡初產鵝隻之體增重顯著較12 月齡初產者重(0.26 vs. 0.09 kg, P < 0.05);而同期間換羽鵝隻之體增重顯著較無換羽者重(0.4 vs. 0.2kg, P < 0.05)。10 月齡與12 月齡初產鵝隻之間,其種蛋之受精率、孵化率或受精蛋孵化率均無顯著差異,有、無換羽鵝隻之間各該性狀亦無差異。12 月齡初產且無換羽之鵝隻其產蛋期持續期間顯著較其他鵝隻者長。綜上所述,10 月齡初產鵝隻之產蛋率及前期孵化率較佳,而12 月齡初產鵝隻可用強制換羽改善其產蛋率及前期孵化率。 |
英文摘要 | The purpose of study was to investigate the effects of two age at the first egg, i.e. age of 10 month and 12 month for laying period, and two molting, i.e. with molt and without molt on the body weight gain and reproduction characteristics of White Roman geese kept in an environment-controlled house. Geese were randomly assigned to four treatments (2 ages at the first egg treatments × 2 molting treatments). Each treatment was replicated 2 times in an experimental unit. The results showed that the geese under age of 10 month in comparison with those under age of 12 month had no significant improvement in body weight gain at the time when the geese were placed in the environment-controlled house. The geese under age of 10 month comparing to those under age of 12 month have heavier body weight at the time when the geese were at the peak of egg production (4.99 vs. 4.80 kg, P <0.05). The geese under age of 10 month comparing to those under age of 12 month have heavier body weight gain at the time when the geese were under 7 L : 17 D for 6 wks (0.264 vs. 0.09 kg, P <0.05), the geese under with molting comparing to those under without molting have heavier body weight gain (0.4 vs. 0.2 kg, P <0.05) at the same period. The geese under age at the first egg and molting treatments had no significant in fertility, hatchability, and hatchability of fertilized egg cross laying period. The geese under age of 12 month and without molting have longer laying period than other treatments. In conclusion, the geese under age of 10 month results in higher laying rate of all period and hatchability at ESP1 (stage of egg production from 0 to 35%). The geese under age of 12 month were molted, to improve its laying rate of all period and hatchability at ESP1. |
本系統中英文摘要資訊取自各篇刊載內容。