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    • Welcome to WormBoss
    • WormBoss for Sheep & Goats
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  • Your Program
    • Introduction to Your Program
    • Sheep
      • Western Australian Winter Rainfall
        • Introduction
        • Grazing management
        • Breeding worm-resistant sheep
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Roundworm life cycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Drench groups and actives
          • Worm Control Program
      • Victorian Winter Rainfall
        • Introduction
        • Grazing management
        • Breeding worm-resistant sheep
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Liver fluke control
          • Roundworm life cycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Smart grazing for weaner worm control
          • Drench groups and actives
          • Worm Control Program
      • South Australian Winter Rainfall
        • Grazing management
        • Introduction
        • Breeding worm-resistant sheep
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Roundworm life cycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Drench groups and actives
          • Worm Control Program
      • Tasmania
        • Introduction
        • Grazing management
        • Breeding worm-resistant sheep
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Liver fluke control
          • Roundworm life cycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Smart grazing for weaner worm control
          • Drench groups and actives
          • Worm Control Program
      • NSW Non-Seasonal Rainfall
        • Introduction
        • Grazing management
        • Breeding worm-resistant sheep
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Liver fluke control
          • Roundworm life cycle and larval survival
          • Factors contributing to paddock contamination with worms
          • Smart grazing for weaner worm control
          • Drench groups and actives
          • Worm Control Program
      • Qld/NSW Summer Rainfall / Tablelands and Slopes
        • Introduction
        • Grazing management
        • Breeding worm-resistant sheep
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Liver fluke control
          • Roundworm life cycle and larval survival
          • Factors contributing to paddock contamination with worms
          • Find your "cold period"
          • Preparing lambing paddocks with "Smart Grazing - summer rainfall"
          • Drench groups and actives
          • Worm Control Program
      • Qld/NSW Summer Rainfall / Slopes and Plains
        • Introduction
        • Grazing management
        • Breeding worm-resistant sheep
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Roundworm life cycle and larval survival
          • Factors contributing to paddock contamination with worms
          • Drench groups and actives
          • Worm Control Program
      • Pastoral
        • Introduction
        • Grazing management
        • Breeding worm-resistant sheep
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Roundworm life cycle and larval survival
          • Drench groups and actives
          • Worm Control Program
          • Factors contributing to paddock contamination with worms
    • Goats
      • Western Australia
        • Introduction
        • Grazing management
        • Breed and feed for resistance and resilience
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Roundworm life cycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Drench groups and actives
          • Worm Control Program
      • South Australia
        • Introduction
        • Grazing management
        • Breed and feed for resistance and resilience
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Roundworm life cycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Drench groups and actives
          • Worm Control Program
      • Victoria
        • Introduction
        • Grazing management
        • Breed and feed for resistance and resilience
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Liver fluke control
          • Roundworm life cycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Smart grazing to control scour worm
          • Drench groups and actives
          • Worm Control Program
      • Tasmania
        • Introduction
        • Grazing management
        • Breed and feed for resistance and resilience
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Liver fluke control
          • Roundworm life cycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Smart grazing to control scour worms in weaner sheep
          • Drench groups and actives
          • Worm Control Program
      • NSW central, southern and southwest
        • Introduction
        • Grazing management
        • Breed and feed for resistance and resilience
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Liver fluke control
          • Roundworm life cycle and larval survival
          • Factors contributing to paddock contamination with worms
          • Smart grazing to control scour worms in weaner sheep
          • Drench groups and actives
          • Worm Control Program
      • Qld central and south and NSW northwest
        • Introduction
        • Grazing management
        • Breed and feed for resistance and resilience
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Roundworm life cycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Smart grazing to control barber's pole worm in lambing ewes
          • Drench groups and actives
          • Worm Control Program
      • NSW northeast and Qld Granite Belt
        • Introduction
        • Grazing management
        • Breed and feed for resistance and resilience
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Liver fluke control
          • Roundworm life cycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Find your "cold period"
          • Drench groups and actives
          • Smart grazing to control barber's pole worm in lambing ewes
          • Worm Control Program
      • Rangelands (pastoral)
        • Introduction
        • Grazing management
        • Breed and feed for resistance and resilience
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Roundworm life cycle and larval survival
          • Factors contributing to paddock contamination with worms
          • Drench groups and actives
          • Worm Control Program
      • East coast
        • Introduction
        • Grazing Management
        • Breed and feed for resistance and resilience
        • When to WormTest and when to drench
        • Managing drench resistance
        • Appendices
          • Liver fluke control
          • Roundworm lifecycle and larval survival
          • Factors contributing to paddock contamination with worms
          • Smart grazing to control scour worms in weaner sheep
          • Smart grazing to control barber's pole worm in lambing ewes
          • Drench groups and actives
          • Worm Control Program
      • Australian smallholders
        • Introduction
        • Avoiding worms
        • Breed and feed for resistance and resilience
        • When to check and when to drench
        • Managing drench resistance
        • Appendices
          • Liver fluke control
          • Roundworm lifecycle and larval availability
          • Factors contributing to paddock contamination with worms
          • Drench groups and actives
          • Worm Control Program
  • Worms
    • Introduction to Worms
    • Roundworms
      • The cost of roundworms
      • Roundworm life cycle
      • Worms on pasture
      • Signs of worms
      • Barber's pole worm
      • Black scour worm
      • Brown stomach worm
      • Thin-necked intestinal worm
      • Small intestinal worm
      • Hookworm
      • Threadworm
      • Nodule worm and large bowel worm
      • Whip worm
      • Large-mouthed bowel worm
      • Stomach hair worm
      • Lungworm
      • Other nematodes
    • Tapeworms
      • Intestinal tapeworm
      • Hydatids
      • Sheep measles
      • Bladder worm
    • Flukes
      • Liver fluke
      • Stomach fluke
    • Other occasional parasites of sheep and goats
      • Coccidia and Cryptosporidium
      • Nasal bot
      • Toxoplasma
      • Sarcocystis
      • Itch mite
      • Eperythrozoon
  • Tests & Tools
    • Introduction to Tests & Tools
    • Drench Decision Guides
      • Sheep
        • Western Australian Winter Rainfall
        • South Australian Winter Rainfall
        • Victorian Winter Rainfall
        • Tasmania
        • NSW Non-Seasonal Rainfall
        • Qld/NSW Summer Rainfall / Slopes and Plains
        • Qld/NSW Summer Rainfall / Tablelands and Slopes
        • Pastoral
      • Goats
        • Western Australia
        • South Australia
        • Victoria
        • Tasmania
        • NSW central, southern and southwest
        • Qld central and south and NSW northwest
        • NSW northeast and Qld Granite Belt
        • Rangelands (pastoral)
        • East coast
        • Australian Smallholders
    • Management tools
      • Preparing low worm-risk paddocks
      • Grazing management
        • Paddock contamination with worms
        • Larval survival of barber's pole worm
        • Scour worm larvae on pasture
        • Smart grazing for weaner worm control
        • Rotational grazing
      • Nutritional management
        • Pasture and browse for worm control in goats
        • Feedlotting Goats
        • Nutrition
      • Breeding
        • Understanding WEC and DAG ASBV
      • Host immunity
        • Why ewes lose immunity at lambing
      • The Barbervax vaccine program
        • Using Barbervax? in Goats
      • Drenches
        • Drench groups and actives
        • Combination drenches - benefits and efficacy
        • Combination-Drench Efficacy Calculator
        • Drench rotation versus combinations to combat drench resistance
        • Drench mixtures and combinations
        • Drenches for goats: using products correctly and legally
        • Drenches for goats: using cattle and horse anthelmintics
        • Drenches for goats: alternatives to registered commercial drench products
        • Effective use of long-acting drenches
        • Choosing and using drenches
        • Strategic and tactical drenching
        • Weaners and the first summer drench
        • Targeted Treatment drenching guidelines
      • Drench resistance
        • Managing drench resistance
        • Quarantine drenches
        • Using refugia to prolong drench life
        • Resistance status of drench groups
      • Withholding periods for worm, lice and fly treatments for sheep
      • Dairy goats and milking sheep
      • Wasting in goats
    • Tests
      • Checking for worms with a WormTest
      • Checking for drench resistance with a DrenchCheck
      • Testing drench effectiveness with a DrenchTest
      • Collecting dung samples from individual sheep or goats
      • Worm egg counting
      • Worm testing for stud breeders
      • Assessing worm burdens without a WormTest
      • Assessing faecal consistency score
      • Worm Egg Count Quality Assurance Program
      • When to collect drench test faecal samples
      • FAMACHA
    • Professional service providers
      • New South Wales
      • Queensland
      • South Australia
      • Tasmania
      • Victoria
      • Western Australia
      • Northern Territory
  • Drenches
  • News
    • Introduction to News
    • State Outlooks
    • Feature Articles
      • Drenches
      • Drench resistance
      • Non-chemical management
      • Tests
      • Worms and other parasites
      • General
      • Editor's note
    • WormBoss online learning
      • Sheep
        • Western Australian Winter Rainfall
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Sheep worms
        • South Australian Winter Rainfall
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Sheep worms
        • Victorian Winter Rainfall
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Sheep worms
        • Tasmania
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Sheep worms
        • NSW Non-Seasonal Rainfall
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Sheep worms
        • Qld/NSW Summer Rainfall / Slopes and Plains
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Sheep worms
        • Qld/NSW Summer Rainfall / Tablelands and Slopes
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Sheep worms
        • Pastoral
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Sheep worms
      • Goats
        • Western Australia
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Goat worms
        • South Australia
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Goat worms
        • Victoria
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Goat worms
        • Tasmania
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Goat worms
        • NSW central and south and southwest
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Goat worms
        • Qld central and south and NSW northwest
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Goat worms
        • NSW northeast and QLD Granite Belt
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Goat worms
        • Rangelands
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Goat worms
        • East coast
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Goat worms
        • Australian smallholders
          • Introduction
          • Grazing management
          • Breeding for worm resistance
          • Worm testing
          • Drenching
          • Drench resistance management
          • Goat worms
    • Media Releases
    • Workshops / Events
      • WormBoss worm control workshops
      • New England Sheep Worm Control PDS
        • Knowledge assessment
      • New England WormBoss-Workshops
    • Case Studies
    • Webinars
      • Recorded Webinars
    • WormBoss Song

Australia's sheep and goat worm control resource

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Regional Drench Decision Guides make it easy to decide whether to drench now, the length of protection needed and when to check again.

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