Ryegrass staggers, Corynebacterium, Lolium rigidum, Geographical distribution, Western Australia
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The disease annual ryegrass toxicity kills sheep and cattle grazing pastures which contain infected annual ryegrass. In Western Australia the first confirmed outbreak was in 1968 in the Gnowangerup area.
The disease has noe spread over a range of 450 kilometres and with a total area of perhaps 100 000 hectares. because annual ryegrass is the major sown pasture grass in W.A. the disease could spread throughout the South-West.
There are some precautions that can be taken.
Department of Agriculture, Western Australia
"Ryegrass disease could spread,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 18
, Article 4.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol18/iss2/4