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題名 | 臺灣黑毛肉豬體型測量值與屠體性狀間之典型相關分析=Canonical Correlation Analysis of Body Conformation and Carcass Traits in Taiwan Black Pigs |
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作者 | 陳怡蓁; 簡執中; 駱秋英; 徐濟泰; 林恩仲; 王佩華; Chen, Y. C.; Chien, C. C.; Lou Chyr, C. Y.; Hsu, J. T.; Lin, E.-C.; Wang, P. H.; |
期刊 | 台灣農學會報 |
出版日期 | 20120600 |
卷期 | 13:3 2012.06[民101.06] |
頁次 | 頁318-335 |
分類號 | 437.654 |
語文 | chi |
關鍵詞 | 臺灣黑豬; 體型測量值; 屠體性狀; 典型相關分析; Taiwan black pigs; Body conformation; Carcass traits; Canonical correlation; |
中文摘要 | 建立具本土特性的豬肉品牌以提升國產豬肉的競爭力,為面臨進口豬肉帶來的市場壓力的重要對策;黑毛豬在臺灣的肉品市場中佔有利基。另一方面,在肉品市場以活體決價的體系中,臺灣黑豬的外觀體型與其屠體品質間的關係為瞭解黑毛豬產業的重點之一。本研究收集來自五個不同民間黑豬飼養場,共500頭試驗豬隻上市屠宰前之體型測量值及屠體性狀等資料,分別針對其屠體體重的差異、理想體型的分布以及體型測量值與屠體性狀間進行簡單線性及典型相關分析。試驗結果顯示,來自不同豬場的試驗豬隻之屠宰體重有極顯著差異(P<0.01),而且外觀體型差異性大,顯示試驗之臺灣黑豬上市體重其整體的整齊度不佳,試驗豬隻中僅22.2%具有理想體型。簡單相關分析發現,胸圍及體長與屠體重之間具有極顯著性相關(P<0.01),而胸圍及胸深與最後腰椎背脂厚度具有極顯著性相關(P<0.01)。典型相關分析結果顯示,胸圍及體高兩個體測值對於屠體重影響較大;而胸圍及胸深對於屠體最後腰椎背脂厚度具有正向的影響,但體高則具負向影響。基於上述體型及體測值與屠體性狀相關性分析結果,具有一定的預測準確性,因此未來在進行臺灣黑豬育種工作時,可以考慮將之作為重要的參考依據。 |
英文摘要 | Taiwan black pigs (TBP) are considered as a special pig population with local characteristics. The high diversity in body conformation and carcass traits of commercial TBP makes the quality of meat production difficult to predict and control. The aim of this study was to investigate the correlations between body conformation and carcass traits of TBP. Body conformation and carcass traits collected from 500 pigs in five different private farms were analyzed by Pearson correlation and canonical correlation analyses. The results showed that the slaughter weights and body conformations of TBP from different farms were significantly different (P<0.01) and only 22.2% of tested TBP could be classified as ideal type pigs. According to Pearson correlation analysis, body length and chest circumference were positively correlated with carcass weight (P<0.01), while chest depth and chest circumference were positively correlated with carcass backfat thickness at the last lumbar (P<0.01). On the other hand, the results of canonical correlation analysis showed that body height and chest circumference were also positively correlated with carcass weight. In addition, the carcass backfat thickness at the last rib was significantly related to body height, chest depth and chest circumference. In conclusion, body height, chest depth and chest circumference could be considered as important parameters for prediction of carcass quality and for designing breeding schemes. The preliminary results of this study could help breeders to select breeding stocks. In order to improve the accuracy of correlation analyses, more carcass traits and meat quality data should be involved in future studies. |
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