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Recommendations
  • US recommendations are that a cut-off value of 1000 eggs/g indicates the goats need treating (recommendation is for Barberpole worm, Haemonchus contortus, the major worm during warm and hot times of the year. In the cool season, other worms may predominate requiring deworming at much lower fecal egg counts. Visit with your veterinarian on when these worms predominate and appropriate fecal egg count levels for deworming.)
  • Goats can die with egg counts of only 2000 eggs/g so be careful
  • Haemonchus is a very prolific egg layer with about 6000 per day but Trichostrongylus only produces about 600 per day and Nematodirus many fewer than this
  • The immune response can reduce the ability of individual worms to produce eggs so more eggs per worm in young than old, especially with sheep
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