Question:

How do you work out lambing percentages?

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How do you work out lambing percentages?

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  1. The lambing percentage is the number of live lambs on the ground divided by the number of mature ewes in your flock times 100.  With multiple lambing in some breeds it is possible to have a lambing percentage higher than 100%.  If you have a flock of 150 ewes and have 142 live lambs on the ground, your lambing percentage would be   142/150= .946 x 100 = 94.6 % lambing.


  2. Hi

    The total number of live lambs divided by the total number of ewes mated expressed as a percentage.  Your percentage will vary according to the virility of your ram, the age and condition of your ewes and the weather conditions at and immediately after lambing.

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