生長性能
6-1 生長性能
分別測定0、二、四、六、八、十、十二、十四、十六等各週齡之體重,檢定結果如
表12與
13所示。公雞到達十四週齡與十六週齡時之平均體重分別為1,465公克與1700公克,且各週齡間之生長速率(不分性別)顯然是受到不同飼養管理因素影響(P<0.001,
表12與
13)。資料顯示,不論公母雞,以第四試驗戶之飼養管理等之環境因素較能使台畜肉一號發揮其生長潛能。
表十二.畜試土雞台畜肉十三號田間試驗生長性能
(單位:公克)
週 | | 試 | 驗 | | 戶 | | 對照 | 戶a | F- | 平 | |
齡 | 1 | | 3 | | 4 | | | | 檢定 | 均 | |
| ♂ | ♀ | ♂ | ♀ | ♂ | ♀ | ♂ | ♀ | | ♂ | ♀ |
0 | 27.5 | 27.6 | 29.2 | 29.2 | 32.6 | 32.4 | 31.3 | 32.4 | *** | 29.6 | 30.0 |
2 | 111 | 107 | 89 | 85 | 116 | 110 | 103 | 110 | *** | 104 | 99 |
4 | 286 | 262 | 221 | 198 | 307 | 280 | 294 | 280 | *** | 271 | 250 |
6 | 459 | 409 | 404 | 343 | 521 | 464 | 492 | 464 | *** | 460 | 413 |
8 | 678 | 595 | 634 | 525 | 805 | 701 | 668 | 701 | *** | 692 | 602 |
10 | 980 | 819 | 904 | 726 | 1005 | 855 | 955 | 855 | *** | 961 | 817 |
12 | 1237 | 1069 | 1180 | 966 | 1368 | 1129 | 1122 | 1129 | *** | 1222 | 1032 |
14 | 1527 | 1236 | 1407 | 1081 | 1570 | 1291 | 1368 | 1291 | *** | 1465 | 1184 |
16 | 1803 | 1355 | 1552 | 1257 | 1781 | 1409 | 1601 | 1409 | *** | 1700 | 1332 |
***差異極顯著(P<0.001)
a台灣省畜產試驗所畜牧場三股
表十三.畜試土雞台畜肉十三號十二∼十六週齡屠體性狀測定成績
單位:佔活體重之百分比
| | | | | 性 | | | | | 狀 | | | | |
週齡 | 活體重 | 屠體重
(%) | 頭頸
(%) | 翅
(%) | 胸
(%) | 背軀
(%) | 腿
(%) | 腳
(%) | 肝
(%) | 砂囊
(%) | 腹脂
(%) | 心
(%) | 睪丸
(%) | 卵巢
(%) |
12G | 1126.9a ±9.2 | 79.0b ±0.2 | 9.4a ±0.1 | 9.6a ±0.1 | 17.2a ±0.1 | 16.3a ±0.1 | 21.6a ±0.1 | 4.9a ±0.1 | 2.0a ±0.02 | 3.2a ±0.05 | 0.5a ±0.1 | 0.5a ±0.01 | 0.4a ±0.04 | 0.1a ±0.003 |
| (125) | (125) | (125) | (125) | (125) | (125) | (125) | (125) | (125) | (125) | (50) | (125) | (55) | (51) |
| | | | | | | | | | | | | | |
♂ | 1355.7a
±11.6 | 79.5a ±0.2 | 9.9a ±0.1 | 9.6a ±0.1 | 16.5a ±0.1 | 16.0a ±0.2 | 22.1a ±0.1 | 5.2a ±0.1 | 2.0a ±0.03 | 3.1a ±0.1 | 0.4a ±0.1 | 0.6a ±0.01 | * | * |
| | | | | | | | | | | | | | |
♀ | 1098.0b ±11.7 | 78.4b ±0.2 | 8.8b ±0.1 | 9.6a ±0.1 | 17.8b ±0.2 | 16.6b ±0.2 | 21.0b ±0.1 | 4.6b ±0.1 | 2.0a ±0.03 | 3.4b ±0.1 | 0.5a ±0.1 | 0.5b ±0.01 | * | * |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
14G | 1374.8a ±10.1 | 79.6a ±0.2 | 9.5b ±0.1 | 9.4a ±0.1 | 17.3a ±0.1 | 16.4a ±0.1 | 22.5b ±0.1 | 4.6a ±0.05 | 1.8a ±0.02 | 3.0a ±0.05 | 0.5a ±0.1 | 0.51b ±0.01 | 0.6a ±0.04 | 0.07a ±0.01 |
| (127) | (127) | (127) | (127) | (127) | (127) | (127) | (127) | (127) | (127) | (41) | (127) | (64) | (53) |
| | | | | | | | | | | | | | |
♂ | 1542.3a ±10.0 | 80.2a ±0.2 | 10.1a ±0.1 | 9.5a ±0.1 | 6.5a
±0.1 | 16.1a ±0.2 | 23.1a ±0.1 | 4.9a ±0.1 | 1.8a ±0.03 | 2.8a ±0.1 | 0.3a ±0.1 | 0.53a ±0.01 | * | * |
| | | | | | | | | | | | | | |
♀ | 1207.3b ±13.1 | 79.0b ±0.2 | 8.9b ±0.1 | 9.3a ±0.1 | 18.1b ±0.2 | 16.6b ±0.2 | 21.8b ±0.1 | 4.3b ±0.1 | 1.9a ±0.03 | 3.1b ±0.1 | 0.7a ±0.1 | 0.49b ±0.01 | * | * |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
16G | 1482.1a ±13.6 | 79.7a ±0.2 | 9.4a ±0.1 | 9.3a ±0.1 | 17.1a ±0.1 | 16.8b ±0.1 | 22.8b ±0.1 | 4.4a ±0.1 | 1.8a ±0.03 | 2.8a ±0.05 | 0.7a
±0.1 | 0.5a ±0.01 | 0.9a ±0.1 | 0.2b ±0.1 |
| (131) | (131) | (131) | (131) | (131) | (131) | (131) | (131) | (131) | (131) | (42) | (131) | (63) | (54) |
| | | | | | | | | | | | | | |
♂ | 1686.8a ±18.2 | 80.4a ±0.2 | 10.2a
±0.1 | 9.3a ±0.1 | 16.2a ±0.1 | 16.4a ±0.1 | 23.6a ±0.1 | 4.7a ±0.1 | 1.7a ±0.03 | 2.5a ±0.1 | 0.6a ±0.2 | 0.6a ±0.01 | * | * |
| | | | | | | | | | | | | | |
♀ | 1277.5b ±18.1 | 79.1b ±0.2 | 8.7b ±0.1 | 9.3a ±0.1 | 17.9b ±0.2 | 17.3b ±0.2 | 22.0b ±0.1 | 4.0b ±0.1 | 1.8b ±0.03 | 3.1b ±0.1 | 0.8a ±0.1 | 0.5b ±0.01 | * | * |
[(L12×L9)]♂×[(L7×L11)]♀
()數字表示樣品數。
同一週齡同一行字母不同者表示差異顯著 (P<0.05)。