[affected.gif] Animals most affected
Cattle, sheep, pigs, (poultry, dogs).

[etiology.gif] Etiology
Gas evolved from decomposing organic substances (notably from manure pits, dung hills, rotting trash) with a characteristic foul smell of rotten eggs; a colourless gas which is more dense than air.

[toxic.gif] Toxicity
A highly toxic gas, irritant and toxic to the
Toxic doses:  
LD all species >400 ppm
Not dangerous at levels which can be detected by smell.

[clinical.gif] Clinical features

Possibility within several minutes of exposure to the gas of a devastating toxic syndrome, manifested by acute pulmonary oedema, painful gasping for breath and sudden death due to respiratory paralysis and cardiac shock.

[lesions.gif] Lesions

[treatm~1.gif] Treatment