pregnancy toxaemia in sheep
  • occurs in ewes in late pregnancy carrying twin lambs 'twin lamb disease'
  • drain of carbohydrate stores is due to rapidly growing foetuses
  • serious condition and highly fatal
  • clinical signs (neurological)
    • apparent blindness
    • dullness
    • convulsions
    • coma
  • sequelae
    • foetuses die
    • apparent recovery in ewe until toxaemia from the decomposing foetuses results in the ewe's death