頁籤選單縮合
題 名 | 人工涵洞對豬繁殖性狀的影響=The Influence of Artificial Cave on Reproductive Traits of Pigs |
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作 者 | 陳文誠; 李啟忠; 曾晉郎; 吳明哲; 張秀鑾; | 書刊名 | 畜產研究 |
卷 期 | 30:3 1997.09[民86.09] |
頁 次 | 頁283-291 |
分類號 | 437.654 |
關鍵詞 | 豬; 產仔數; 保種; 人工涵洞; Pig; Litter size; Conservation; Artificial cave; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究探討於坡林地放養豬並添置人工涵三月仔,對其繁殖率和仔豬育成率之影 響.每年均有保有一歲齡以上的種豬15公45母之保種族群,做為試驗豬群並放養於台東卑 南地區的岩土坡林地.該坡林地多為岩土地,但有天然樹叢,呈扇形狀,約5000平方公尺, 坡地下方圍籬內設置25平方公尺水泥地面,做為每日150公斤精料或偶而提供的青割草料 餵飼地面,旁設有滴水槽和自動飲水杯,配種為逢機配種,母豬分娩哺育時自行以隱密坑洞 或樹叢為擋風與的天然屏障之野放生活形態.每週二巡視放養區,把隨母豬警衛的仔豬頭數 或母豬正哺育得仔豬頭數視為該頭新分娩母豬的產仔活頭數,仔豬經剪耳刻後追蹤其達八週 齡的育成率,於1993年10月至12月間,在放養坡林地斜坡插埋參個直徑100cm×長124cm 水泥涵管,形成圓形涵洞;以及建構14個箱水泥涵洞(高寬深85×104×132cm),供豬隻避 風雨用因此,在涵洞建構前的1992年7月至193年6月期間共計有50胎記錄,其跟涵洞建 構後的1994年7月至1995年6月期間的年度之母豬43胎產仔狀相比,產仔活頭數由每胎 5.88頭增加為6.47頭(P<0.1),八週齡育成亦由74.4%增為82.3%(P<0.1)因此,坡林地放豬 隻時,建構人工涵洞後有助於改善豬群之繁殖之性能。 |
英文摘要 | Pigs in an open brush land can be more reproductive after the construction of artificial cave was investigated in this study National conservation population of 15 male and 45 female Lanyu pig breeding stocks aged above one year maintained annually. They are kept in a brush, slope, and rocky land located at pei-Nan region of Taitung county. The conserved land area is a fan shape with approximately 5000 m . There is a concrete floor about 25 m to supply 150 Kg contrite rations daily. Green roughage/Grass is occasionally provided. Water supply is set beside the concrete floor by a water and drinking cup. Animals mate at random and sows give birth under natural cave from brushes. The population lives in a condition near nature habitat. Each Tuesday piglets were counted while they stayed guarding with their dam or during nursing., designating the number of piglets born alive for the litter. New born were then notched on their ears for tracing the survival rate at their eight weeks of age. There were three cement drain-pipes, 100 cm in diameter and 124 cm long, embedded into the slope rocky land by covering one end of the brain-pipe to form an artificial cave in October to December of 1993. A total of 14 box shape artificial caves, 85 cm high × 104 cm width × 132 cm depth, was constructed during the period too. Those artificial caves were provided to pigs for keeping off wind and rain. Therefore, the period from July of 1992 to june of 1993 represented the year before construction of artificial while the period from July of 1994 to June of 1995 represented the year after construction. When the comparison on reproductive traits was mas made, the construction of artificial cave did help the number of live piglets at birth increasing from 5.88 to 6.74 head per litter and survival rate at 8 weeks of age increasing from 74.4% to 82.5 %(P <0.1). In conclusion, the construction of artificial cave had an improvement on rreproductive performance of Lanyu pigs in the range. |
本系統中英文摘要資訊取自各篇刊載內容。