Making More from Sheep Australian Wool Innovation Limited Meat & Livestock Australia
MODULE 11: Healthy and Contented Sheep
Tool 11.1
Previous Index Next

 

Tables showing Dry Sheep Equivalents (DSE)

Ewes

  40
Body weights (kg)
50 60
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