Tables showing Dry Sheep Equivalents (DSE)
Ewes
|
40 |
|
70 |
Dry sheep |
0.9 |
1.0 |
1.2 |
|
Pregnant ewes final month |
|
|
|
|
Single |
1.1 |
1.3 |
1.4 |
|
Twins |
1.3 |
1.5 |
1.6 |
|
Lactating ewes |
|
|
|
|
Single |
2.1 |
2.5 |
2.9 |
|
Twins |
2.9 |
3.4 |
4.1 |
|
Rams |
|
|
1.4 |
1.7 |
The DSE is a value based on the energy requirements of a 2 year old, 50kg Merino wether.
(Source: PROGRAZE® and Queensland Department of Primary Industries and Fisheries)
Growing Lambs
|
|
Body weights (kg) |
|
Growth (g/day) |
20 |
30 |
40 |
50 |
0.6 |
0.9 |
1.0 |
100 |
0.8 |
1.1 |
1.3 |
150 |
1.0 |
1.3 |
1.5 |
Table showing energy (ME) and protein requirements of sheep
|
Dry sheep maintenance requirements |
40kg |
50kg |
60kg |
|
Ewe
(mid pregnancy)
50 kg |
Ewe
(early lactation)
50 kg |
Weaner
< 20kg |
Weaner
20–25 kg |
Weaner
> 25kg |
MJ ME / hd/day (confinement fed) |
6.4 |
7.0 |
8.0 |
10.0 |
15.0 |
3 - 4 |
4 - 5 |
5 - 6 |
MJ ME / hd/day (grazing) |
7.6 |
8.5 |
9.7 |
11.5 |
17.0 |
3.4 - 4.5 |
4.5 - 5.7 |
5.7 - 6.8 |
Protein min % |
6 – 8 |
6 – 8 |
6 – 8 |
8 - 10 |
12 - 14 |
14 - 16 |
12 - 14 |
10 - 12 |
Source: Ruminant Standards of Australia and GrazFeed®
Note: Ewes carrying twins in late pregnancy and in lactation will have a 15% higher energy requirement than single bearing ewes.
Use these figures when developing feed budgets (see tool 8.4). View tables showing examples to fit the season and pasture type at www.lifetimewool.com.au/toolsmgt.aspx
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