Making More from Sheep Australian Wool Innovation Limited Meat & Livestock Australia
MODULE 10: Wean More Lambs
Tool 10.5
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The table provides a guide for the minimum target liveweight for maiden ewes from birth to pre-mating. The target weight at any given time depends on the mature size of the ewe. Following these guidelines ensures high rates of weaner survival and acceptable reproductive performance in young ewes.

Adult weight (kg)

Birth (kg)

Weaning on dry pasture (kg)

Autumn break (kg)

Late winter (kg)

Mating on dry pasture (kg)

45

4

20

22.5

27

34-36

50

4.5

22.5

25

30

37-40

55

5

25

27

33

41-44

60

5

27

30

36

45-48

70

5.5

31.5

35.5

42

52-56

% of adult

8-9%

45%

50%

60%

75-80%