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… 6 months age have little immunity internal parasites worms major worm factories your farm … from 36 months age grow ability deal incoming parasites improves two main ways immune system … more effective less energy protein used fight parasites more can used growth sometime …

… breeding values ebvs resistance internal parasites heritability 2530 most sheep carry internal parasites worms some sheep affected more … scouring dag forming changes feed internal parasites ryegrass staggers mineral imbalances …

drench resistance common increasing all drench families combinations poses risk viability some farming systems farm systems where stock policies management strategies reduce worm challenge also less …

… replacement dairy calves combatting internal parasites lnz sole funder wormwise giving farmers tools minimise impact parasites production combat parasite … farmers heifer graziers understand manage parasites creating tools resources …

… 8 8 8 8 9 minimise stress 9 internal parasites 9 pneumonia 9 trace elements … team 24 animal health welfare 25 internal parasites 25 flystrike 25 facial eczema 26 … avoided periods extreme temperature internal parasites extreme dry managing internal …