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What plant is this? (5)

What plant is this? (5)

What plant is this? (5) Cyanobacteria (Blue-green algae) Blue-green alae form on fresh or brackish water (or discolour water without forming a floating scum). They look green and sometimes turn bluish when scums are dying. What it causes: Some species of cyanobacteria...
Annual ryegrass toxicity in yarded bulls

Annual ryegrass toxicity in yarded bulls

Annual ryegrass toxicity in yarded bulls Unusual presentation: Fifteen bulls with respiratory and nervous signs, three dying within a few days of the onset of clinical signs. Above: A severely affected bull – has a wide-based stance and is unwilling to move....
What plant is this? (4)

What plant is this? (4)

What plant is this? (4) Indigofera linnaei (Birdsville indigo, nine-leaved indigo) A native perennial legume that is resistant to drought and palatable to grazing livestock. Part 2 'Poisonous plants a plenty'Selina Ossedryver delivers a powerhouse of information to...
Yellow-wood poisoning of heifers

Yellow-wood poisoning of heifers

Yellow-wood poisoning of heifers Unusual presentation: Nineteen heifers showing neurological signs and dying within the space of a week. Above: Both heifers had widespread jaundice and swollen livers and kidneys​. Time and location: March 2021, mid coast Queensland....
Acute oxalate poisoning of merino ewes

Acute oxalate poisoning of merino ewes

Acute oxalate poisoning of merino ewes Unusual presentation: 70 mature merino ewes found dead and another 12 recumbent within 4 days. Time and location:  February 2021, central west Queensland​. Case definition: Ewes (6-10 weeks after joining) become weak, show signs...