Breakdown of 2011 Female Registrations
797 heifers sired by 96 different sires with 44% sired by Non A1 sires, 41% by young AI sires and 15% by Proven AI sires.
This compares with 2007 when 28% were sired by Non AI sires, 50% by young A1 sires and 22% were by Proven AI sires.
There were daughters sired by 10 young US sires, 5 Guernsey Island young sires, 4 Mainland young AI sires and 17 Proven US, 3 Proven Canadian sires and 57 Natural Service sires.
Only 25 of the 96 bulls sired more than 10 daughters in 2011, mainly the AI bulls but including 11 Natural Service sires, but the sires with most daughters were
Beechgroves Ezekiel with 80 daughters,
Marksman( 51 dtrs), Mint ( 35 dtrs), Andante (34 dtrs) and Ghenghis ( 29 dtrs).
The average GMI (Pedigree Indexes) of Heifers registered in the last 3 years is as follows
|
Year |
Heifers |
Milk |
Fat |
Fat% |
Prot |
Prot% |
£PLI |
GMI |
|
2011 |
765 |
142 |
6.62 |
-0.00 |
3.96 |
-0.01 |
32 |
97 |
|
2010 |
974 |
130 |
5.88 |
-0.00 |
3.73 |
-0.01 |
28 |
89 |
|
2009 |
1025 |
93 |
4.11 |
-0.00 |
2.41 |
-0.01 |
15 |
56 |