Shelter For Lambing Tool

At the Hamilton and Wagga Wagga Proof Sites, perennial grass hedges and shrub nurseries provided very effective shelter, reducing wind chill by up to 99%. At Hamilton, this reduced the average number of days with poor lambing weather during June to September by more than half, increasing the survival of lambs at the average birthweight by 30%. The economic benefits of shelter varies across environments depending on the risk of high chill (chill index > 1000 kj/m2/hr) during the lambing period, the cost of the shelter, and current conception and survival rates.

The Shelter For Lambing Tool was developed to analyse the return from investment in shelter at various locations across the high rainfall zone.

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