New Zealand Dairy Statistics 2014-15

ii) Cow Evaluations
The Breeding Worth for herds presented below (Table 4.17 and Graph 4.17) is based on cows of the users of herd testing services, in herds
with at least 80 cows, in the 2014/15 season. Table 4.17 shows that 50% of these herds had a BW of 106 or above and 25% of these herds
had a BW of 124 or above.
Table 4.17: Herd Breeding Worth in 2014/15
Median Top 5% Top 10% Top 25% Bottom 25% Bottom 10% Bottom 5%
Herd BW 106 > 149 > 141 > 124 < 82 < 56 < 39
Graph 4.17: Distribution of Herd Breeding Worth in 2014/15
(Evaluation date: 16 May 2015)
16
14
12
Percentage of herds
10
8
6
4
2
0
170
(Evaluation date: 16 May 2015)
The Production Worth (PW) for herds presented below (Table 4.18 and Graph 4.18) is based on cows of the users of herd testing services, in
herds with at least 80 cows, in the 2014/15 season. Table 4.18 shows that 50% of these herds had a PW of 119 or above and 25% of these
herds had a PW of 142 or above.
Table 4.18: Herd Production Worth in 2014/15
Median Top 5% Top 10% Top 25% Bottom 25% Bottom 10% Bottom 5%
Herd PW 119 > 175 > 162 > 142 < 94 < 68 < 49
Graph 4.18: Distribution of Herd Production Worth in 2014/15
(Evaluation date: 16 May 2015)
14
12
Percentage of herds
10
8
6
4
2
0
220
(Evaluation date: 16 May 2015)
New Zealand Dairy Statistics 2014-15 45