New Zealand Dairy Statistics 2010-11 - LIC
New Zealand Dairy Statistics 2010-11 - LIC
New Zealand Dairy Statistics 2010-11 - LIC
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
The Breeding Worth (BW) for cows presented below (Table 4.14 and Graph 4.14) is based on all cows of the users of herd testing services, in<br />
herds with at least 80 cows, and signed up for herd testing in the <strong>2010</strong>/<strong>11</strong> season. Table 4.14 shows that 50% of these cows had a BW of 63<br />
or above and that 25% had a BW of 96 or above.<br />
Table 4.14: Cow Breeding Worth in <strong>2010</strong>/<strong>11</strong><br />
Median Top 5% Top 10% Top 25% Bottom 25% Bottom 10% Bottom 5%<br />
Cow BW 63 > 138 > 123 > 96 < 27 < -6 < -29<br />
Graph 4.14: Distribution of Cow Breeding Worth in <strong>2010</strong>/<strong>11</strong><br />
36<br />
<strong>New</strong> <strong>Zealand</strong> <strong>Dairy</strong> <strong>Statistics</strong> <strong>2010</strong>-<strong>11</strong><br />
(Evaluation date: 14 May 20<strong>11</strong>)<br />
(Evaluation date: 14 May 20<strong>11</strong>)<br />
The Production Worth (PW) for cows presented below (Table 4.15 and Graph 4.15) is based on cows of the users of herd testing services, in<br />
herds with at least 80 cows, in the <strong>2010</strong>/<strong>11</strong> season. Table 4.15 shows that 50% of these cows had a PW of 74 or above and that 25% had a<br />
PW of 131 or above.<br />
Table 4.15: Cow Production Worth in <strong>2010</strong>/<strong>11</strong><br />
Median Top 5% Top 10% Top 25% Bottom 25% Bottom 10% Bottom 5%<br />
Cow PW 74 > 218 > 184 > 131 < 15 < -38 < -74<br />
Graph 4.15: Distribution of Cow Production Worth in <strong>2010</strong>/<strong>11</strong><br />
Percentage of cows<br />
16<br />
14<br />
15<br />
10<br />
8<br />
6<br />
4<br />
2<br />
0<br />
Percentage of herds<br />
< -120<br />
20<br />
15<br />
10<br />
5<br />
0<br />
-120 - -90<br />
< -50<br />
-90 - -60<br />
-50 - -30<br />
-60 - -30<br />
-30 - -10<br />
-30 - 0<br />
-10 - 10<br />
0 - 30<br />
10 - 30<br />
30 - 60<br />
30 - 50<br />
50 - 70<br />
Cow BW ($)<br />
60 - 90<br />
90 - 120<br />
Cow PW ($)<br />
70 - 90<br />
120 - 150<br />
90 - <strong>11</strong>0<br />
150 - 180<br />
<strong>11</strong>0 - 130<br />
180 - 210<br />
130 - 150<br />
210 - 240<br />
150+<br />
240 - 270<br />
270 - 300<br />
300+<br />
(Evaluation date: 14 May 20<strong>11</strong>)<br />
(Evaluation date: 14 May 20<strong>11</strong>)