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Table 2.1.

Lactation feed curves (MJ DE) used in sow feed studies at Teagasc, Moorepark

Days Curve 1 Curve 2 Curve 3
0 25.0 28.8 33.1
1 35.0 40.3 46.3
2 38.3 44.1 50.7
3 41.7 47.9 55.1
4 45.0 51.8 59.5
5 50.0 57.5 66.1
6 55.0 63.3 72.7
7 60.0 69.0 79.4
8 65.0 74.8 86.0
9 68.8 79.1 90.9
10 72.5 83.4 95.9
11 76.3 87.7 100.8
12 80.0 92.0 105.8
13 83.3 95.8 110.2
14 86.7 99.7 114.6
15 90.0 103.5 119.0
16 91.7 105.4 121.2
17 93.3 107.3 123.4
18 95.0 109.3 125.6
19 95.6 109.9 126.4
20 96.2 110.6 127.2
21 96.8 111.3 128.0
22 97.4 112.0 128.8
23 98.0 112.7 129.6
24 98.0 112.7 129.6
25 98.0 112.7 129.6
26 98.0 112.7 129.6
27 98.0 112.7 129.6
28 98.0 112.7 129.6
26 days1
Total feed (MJ DE) 1932.5 2222.4 2555.7
Mean daily feed (MJ DE) 74.3 85.5 98.3
Total feed (kg) 136.1 156.5 180.0
Mean daily feed (kg) 5.2 6.0 6.9

1 Feed intake is calculated for a 26-day lactation which is the mean lactation on Irish herds.