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分頁目錄
1. 台灣杜洛克新品種選育:雜交一代繁殖性能
2. 降溫速度對8種畜產植物超低溫凍存的影響
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7. CVM基因雜合型乳牛之夏季泌乳性能表現
8. 褐色菜鴨BAC 基因庫之建構
9. 山羊DQA2 胺基酸序列之變異
10. 以四種遺傳標記OPN、GPI、PGD 與 HAL1843探討種母豬使用年限
11. 不同來源油脂對肥皂物化特性之影響
12. 畜試土雞微衛星遺傳標記多樣性分析
第三十七卷(2008)

41.台灣杜洛克新品種選育:雜交一代繁殖性能

陳佳萱(1) (3) 顏念慈(1) 陳裕琪(1) 許晉賓(2) 王治華(2) 張慕慈(3) 黃鈺嘉(1) 黃木秋(3) 吳明哲(1)

(1)行政院農業委員會畜產試驗所、(2)行政院農業委員會畜產試驗所高雄種畜繁殖場、 (3)國立中興大學動物科學系

杜洛克猪繁殖性能低落,平均每胎產仔猪頭數只有8.7頭。因養猪產業多以杜洛克種猪為終端公猪,因此杜洛克之繁殖性能亟待提升。本試驗目的為培育繁殖性能優良的新品種,具杜洛克外觀,且兼具多產與產精效率高等特色,期望育成台灣高繁殖性能的紅色杜洛克品種。本試驗收集及整理2007年自7家優良杜洛克種猪場購入之33頭女猪與配高雄種畜繁殖場K6代具ESR MM基因型高畜黑猪公猪雜交所生25胎繁殖與生長資料,結果顯示杜洛克雜交一代出生總仔數8.4±2.97、出生活頭數7.64±2.98、出生重1.81±0.41、21日齡體重6.52±1.23、左乳頭數6.57±0.62、右乳頭數6.63±0.66、總乳頭數13.08±1.68。

關鍵語:杜洛克、選育、雜交


SELECTION FOR NEW BREED OF TAIWAN DUROC PIGS: REPRODUCTION PERFORMANCE OF F1 HYBRID

C. H. Chen,(1) (3) N. T. Yen, (1) Y. C. Chen,(1) J. B. Hu, (2) J. H. Wang(2) M. T. Chang(3) Y. C. Huang(1) M. C. Huang(3) and M. C. Wu(3)

(1)Livestock Research Institute, Council of Agriculture, Executive Yuan (2) Kaohsiung Animal Propagation Station, Livestock Research Institute, Council of Agriculture, Executive Yuan (3)Department of Animal Science, National Chung Hsing University

Duroc pig is a low reproductive performance breed, the average litter size was 8.7 at birth. The Duroc was preferably used to be terminal sire in pig industry. For this reason, a selection for increasing the reproductive performance in Duroc was carried out. The purpose of this study was to foster new excellent breed with appearance of Duroc, high reproductive performance and high production of seminal fluid. We hope that a high reproductive performance with red color of Taiwan Duroc can be obtained. Thirty-three gilts collected from 7 breeding farms were hybridized with black boars derived from Kaohsiung Animal Propagation Station. The genotype of ESR gene was MM type in the boars. The data of growth and reproductive records of offspring were collected from 25 pregnancies and birth s for the evaluation. The results showed that the total number of piglets born (TNB), total number of piglets born alive (NBA), birth weight (BW), weight at 21 days (W21), number of teats at left, number of teats at right, total number of teats were 8.4±2.97, 7.64±2.98, 1.81±0.41, 6.52±1.23, 6.57±0.62, 6.63±0.66 and 13.08±1.68, respectively.

Key Words: Duroc, Selection, Hybrid

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