乳牛初產月齡頭數百分比分布(Age at first calving)(最近分娩日期:2024/4/11) [縮圖]
分娩年 | 總頭數 | 初產 頭數 |
初產牛 比率(%) |
初產月齡 | 24月齡以內 頭數比率(頭) |
27月齡以內 頭數比率(頭) |
30月齡以內 頭數比率(頭) |
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20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | |||||||
2024 | 5520 | 2160 | 39.1 |
0.4 |
2.1 |
5.4 |
12.0 |
15.7 |
15.0 |
12.5 |
8.9 |
6.9 |
6.7 |
4.0 |
2.7 |
2.2 |
1.8 |
1.0 |
0.9 |
1.0 |
36 (773) |
72 (1563) |
90 (1946) |
2023 | 23842 | 8462 | 35.5 |
1.2 |
4.2 |
8.9 |
13.7 |
14.7 |
13.5 |
10.2 |
7.9 |
6.4 |
4.7 |
3.8 |
2.7 |
2.1 |
1.4 |
1.1 |
1.2 |
1.4 |
43 (3636) |
75 (6328) |
90 (7607) |
2022 | 23312 | 8087 | 34.7 |
1.0 |
3.3 |
9.8 |
14.0 |
14.5 |
12.5 |
10.7 |
8.3 |
6.1 |
4.2 |
3.4 |
2.6 |
2.5 |
1.6 |
1.7 |
1.6 |
1.3 |
43 (3471) |
74 (6024) |
88 (7144) |
2021 | 21863 | 7493 | 34.3 |
1.2 |
3.2 |
9.0 |
14.3 |
14.7 |
12.6 |
9.3 |
8.0 |
6.2 |
5.0 |
3.6 |
2.7 |
2.7 |
2.1 |
1.7 |
1.5 |
1.4 |
43 (3193) |
73 (5440) |
88 (6564) |
2020 | 21302 | 7757 | 36.4 |
1.2 |
2.9 |
8.4 |
13.3 |
14.3 |
12.1 |
10.1 |
7.7 |
6.6 |
5.4 |
4.2 |
3.3 |
2.7 |
2.1 |
2.0 |
1.5 |
1.4 |
40 (3131) |
70 (5462) |
87 (6726) |
2019 | 20799 | 7150 | 34.4 |
0.9 |
2.8 |
7.1 |
11.6 |
13.9 |
12.8 |
10.9 |
8.5 |
7.1 |
5.9 |
4.7 |
3.4 |
2.8 |
2.1 |
1.8 |
1.5 |
1.3 |
37 (2612) |
69 (4924) |
87 (6199) |
2018 | 21697 | 7505 | 34.6 |
0.9 |
1.8 |
5.8 |
10.7 |
13.2 |
12.4 |
11.3 |
9.2 |
7.5 |
6.2 |
4.4 |
4.0 |
3.3 |
2.4 |
2.2 |
2.2 |
1.7 |
32 (2439) |
66 (4922) |
84 (6292) |
2017 | 21607 | 7146 | 33.1 |
0.8 |
2.1 |
5.4 |
9.2 |
12.5 |
13.3 |
12.0 |
9.3 |
6.8 |
6.4 |
5.4 |
4.5 |
3.0 |
3.2 |
2.1 |
1.5 |
1.7 |
30 (2154) |
65 (4637) |
84 (5981) |
2016 | 21213 | 6786 | 32.0 |
1.2 |
2.6 |
5.1 |
9.2 |
12.0 |
12.4 |
11.4 |
9.7 |
8.1 |
6.3 |
5.0 |
3.8 |
3.4 |
2.9 |
2.5 |
1.8 |
1.8 |
30 (2055) |
64 (4338) |
84 (5669) |
2015 | 20458 | 6497 | 31.8 |
1.0 |
1.9 |
3.8 |
7.3 |
11.0 |
11.6 |
10.4 |
9.0 |
8.9 |
7.7 |
6.3 |
5.3 |
4.4 |
3.2 |
2.8 |
2.4 |
2.2 |
25 (1638) |
56 (3663) |
79 (5157) |
2014 | 20055 | 7104 | 35.4 |
0.7 |
1.1 |
2.7 |
6.0 |
10.8 |
16.2 |
15.5 |
9.3 |
7.8 |
6.7 |
5.2 |
4.0 |
3.2 |
3.0 |
2.7 |
1.9 |
2.3 |
22 (1535) |
63 (4452) |
83 (5864) |
2013 | 18953 | 5746 | 30.3 |
0.6 |
1.1 |
2.3 |
6.5 |
11.7 |
13.7 |
11.9 |
10.7 |
8.2 |
6.9 |
5.6 |
4.7 |
3.8 |
3.5 |
3.3 |
2.7 |
2.1 |
22 (1285) |
59 (3378) |
80 (4576) |
2012 | 20041 | 5547 | 27.7 |
0.7 |
1.4 |
2.9 |
7.3 |
11.6 |
13.7 |
11.3 |
9.8 |
8.0 |
7.4 |
5.8 |
5.1 |
4.5 |
3.0 |
2.5 |
2.4 |
1.8 |
24 (1336) |
59 (3275) |
80 (4460) |
2011 | 20518 | 4943 | 24.1 |
0.6 |
1.6 |
3.4 |
6.9 |
10.8 |
12.1 |
10.9 |
10.2 |
8.4 |
7.4 |
6.5 |
4.9 |
4.0 |
3.4 |
3.0 |
2.7 |
2.3 |
24 (1164) |
57 (2807) |
79 (3921) |
2010 | 19825 | 4847 | 24.4 |
0.5 |
1.3 |
2.7 |
6.1 |
10.7 |
12.1 |
10.7 |
10.0 |
9.6 |
7.9 |
6.3 |
4.6 |
3.9 |
3.6 |
3.5 |
3.0 |
2.7 |
21 (1040) |
54 (2636) |
78 (3797) |
2009 | 19262 | 4563 | 23.7 |
0.8 |
1.7 |
2.5 |
5.4 |
9.6 |
10.2 |
10.6 |
9.0 |
8.2 |
7.6 |
6.5 |
5.3 |
5.5 |
4.4 |
4.1 |
4.0 |
3.7 |
20 (925) |
50 (2293) |
73 (3316) |
2008 | 21919 | 4517 | 20.6 |
0.4 |
1.3 |
2.6 |
5.1 |
8.8 |
10.2 |
10.8 |
8.3 |
8.4 |
7.0 |
6.3 |
6.2 |
5.7 |
5.0 |
4.7 |
4.6 |
3.5 |
19 (837) |
48 (2169) |
70 (3159) |
2007 | 24257 | 4827 | 19.9 |
0.7 |
1.3 |
2.7 |
5.5 |
8.9 |
11.3 |
11.2 |
9.2 |
7.5 |
7.3 |
6.2 |
5.5 |
4.7 |
4.5 |
3.9 |
4.4 |
4.4 |
19 (933) |
51 (2470) |
72 (3493) |
2006 | 25887 | 5000 | 19.3 |
0.5 |
1.1 |
1.4 |
3.8 |
7.0 |
8.8 |
9.3 |
10.4 |
8.2 |
8.6 |
7.9 |
6.4 |
5.6 |
5.8 |
4.7 |
4.9 |
4.9 |
14 (700) |
43 (2132) |
67 (3370) |
2005 | 27890 | 5242 | 18.8 |
0.6 |
0.7 |
1.6 |
3.8 |
6.2 |
8.1 |
10.2 |
11.0 |
9.0 |
7.5 |
7.9 |
6.3 |
6.2 |
4.9 |
5.6 |
4.9 |
4.6 |
13 (692) |
43 (2232) |
67 (3520) |
2004 | 29557 | 6092 | 20.6 |
0.6 |
0.9 |
2.1 |
4.0 |
7.3 |
8.9 |
8.8 |
9.4 |
10.7 |
9.1 |
8.2 |
5.7 |
4.9 |
5.1 |
4.4 |
4.4 |
4.8 |
15 (919) |
42 (2579) |
70 (4292) |
2003 | 30266 | 6226 | 20.6 |
0.4 |
0.5 |
1.5 |
3.7 |
6.1 |
7.7 |
9.5 |
10.0 |
11.2 |
11.0 |
9.2 |
7.3 |
5.6 |
5.0 |
4.2 |
3.4 |
3.0 |
12 (775) |
40 (2475) |
71 (4438) |
2002 | 28733 | 5901 | 20.5 |
0.3 |
0.5 |
1.2 |
2.3 |
5.1 |
6.8 |
8.2 |
9.3 |
10.9 |
13.1 |
10.4 |
7.3 |
7.2 |
6.1 |
4.2 |
3.4 |
2.8 |
10 (569) |
34 (2009) |
69 (4051) |
2001 | 24405 | 4685 | 19.2 |
0.2 |
0.9 |
2.3 |
3.5 |
7.3 |
8.8 |
8.5 |
9.3 |
9.8 |
10.7 |
10.1 |
7.1 |
5.9 |
4.6 |
3.9 |
3.4 |
2.9 |
14 (677) |
41 (1928) |
72 (3369) |
分娩年 | 總頭數 | 初產 頭數 |
初產牛 比率(%) |
初產月齡 | 24月齡以內 頭數比率(頭) |
27月齡以內 頭數比率(頭) |
30月齡以內 頭數比率(頭) |
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20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 |
乳牛十年間(2023年與2013年)的初產月齡頭數百分比分布比較
分娩年 | 總頭數 | 初產月齡 | 24月齡以內 頭數比率(%) |
27月齡以內 頭數比率(%) |
30月齡以內 頭數比率(%) |
||||||||||||||||
20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | |||||
2023 | 8462 |
1.2 |
4.2 |
8.9 |
13.7 |
14.7 |
13.5 |
10.2 |
7.9 |
6.4 |
4.7 |
3.8 |
2.7 |
2.1 |
1.4 |
1.1 |
1.2 |
1.4 |
43 | 75 | 90 |
2013 | 5746 |
0.6 |
1.1 |
2.3 |
6.5 |
11.7 |
13.7 |
11.9 |
10.7 |
8.2 |
6.9 |
5.6 |
4.7 |
3.8 |
3.5 |
3.3 |
2.7 |
2.1 |
22 | 59 | 80 |