巢箱隱蔽性及底板材質對褐色菜鴨就巢選擇之影響

本試驗旨在探討巢箱隱蔽性及巢箱底板材質對褐色菜鴨就巢位置之偏好及鴨蛋品質之影響。試驗為2種不同隱蔽程度之巢箱材質（金屬鴨籠及木製巢箱）及2種巢箱底板材質（鐵網及綠色人工草皮）之複因子設計，評估巢箱隱蔽性及巢箱底板材質對褐色菜鴨床蛋率及蛋殼清潔度之影響。四週齡之褐色菜鴨逢機分配至半開放式鴨舍中，鴨舍內提供水池及乳頭式飲水器，夜間提供照度25Lux之照明，飼料及飲水採任食，並於產蛋期間進行產蛋資料收集。結果顯示，鴨隻於產蛋初期多半將蛋產於地面，隨著產蛋週齡增加，各組之床蛋率顯著下降。在巢箱隱蔽性及底板材質的影響方面，具較高度隱蔽性之木製巢箱，對褐色菜鴨選擇就巢位置有顯著之影響；在金屬鴨籠巢箱組別中，提供人工草皮可降低鴨隻床蛋率。在蛋殼的清潔度方面，產於巢箱之鴨蛋有較低之蛋殼表面生菌數。

關鍵字

褐色菜鴨；巢箱；就巢

並列摘要

This study was to investigate the effect of nest box closure degree and bottom material on Brown Tsaiya duck's nesting location preference and egg quality. Experiment was a factorial arrangement design with main effects of nest box material to provide different closure degree (metal wire and wooden box) and bottom material in the nest box (metal wire and green artificial turf), to estimate the impacts on flooring laying ratio and cleanness of eggshell.In this test, a total of 264 4-week-old Brown Tsaiya ducks were adopted, and they were randomly assigned to four groups of test pens in a semi-open house. Each group had two replicates of test pen, in each pen 33 ducks were raised. A small bathing area and nipple drinkers were offered in the pen, and a 25-Lux-light was given in the night. During the experiment feeds and water were under ad libitum and the location of ducks laying in the pen were recorded every day. The result showed that: in the beginning, very high proportion of ducks laid their eggs on the floor. Following increase of age, ducks transferred to lay in the nest boxes and floor-laying rate decreased significantly. Both of nest box closure and bottom material, wooden nest boxes were with higher concealment and had significant impact on Brown Tsaiya duck's nesting location preference. In the groups of metal wire nest boxes, artificial turf can decrease duck's floor laying rate. In the aspect of egg's cleanness, eggs laid in the nest box had lower total plate count on the eggshell.

並列關鍵字

Brown Tsaiya duck ； Nest box ； Nesting

國際替代計量

巢箱隱蔽性及底板材質對褐色菜鴨就巢選擇之影響

全文下載

主題瀏覽