novel approaches to expression and detection of oestrus in dairy cows
novel approaches to expression and detection of oestrus in dairy cows
novel approaches to expression and detection of oestrus in dairy cows
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Activity<br />
Activity<br />
Activity<br />
Activity<br />
Cow 539<br />
140<br />
120<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
07/01 12/01 17/01 22/01 27/01 01/02<br />
Date <strong>and</strong> Time<br />
Cow 320<br />
140<br />
120<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
07/01 12/01 17/01 22/01 27/01 01/02<br />
Date <strong>and</strong> Time<br />
Cow 323<br />
140<br />
120<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
07/01 12/01 17/01 22/01 27/01 01/02<br />
Date <strong>and</strong> Time<br />
Cow 611<br />
140<br />
120<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
07/01 12/01 17/01 22/01 27/01 01/02<br />
Date <strong>and</strong> Time<br />
Figure 5.10 Activity graphs from POC 2 show<strong>in</strong>g activity plotted aga<strong>in</strong>st date <strong>and</strong> time; <strong>cows</strong> 539, 323, 320 <strong>and</strong> 611 all came <strong>in</strong><strong>to</strong> <strong>oestrus</strong> dur<strong>in</strong>g the<br />
trial <strong>and</strong> have a clear peak compared with basel<strong>in</strong>e activity, several <strong>in</strong>itial 133 peaks correspond with <strong>in</strong>itial backpack tra<strong>in</strong><strong>in</strong>g <strong>of</strong> the <strong>cows</strong> <strong>and</strong> smaller<br />
peaks <strong>to</strong>wards the end <strong>of</strong> the trial are due <strong>to</strong> rout<strong>in</strong>e management - foot trimm<strong>in</strong>g.
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