At the first sign of clinical toxicity on known problem farms, all stock should be removed from the problem fields. The oral sulphate dose can be tried for 21-50 days, or until clinical signs disappear. Se should be removed from all mineral supplements of concentrate rations used on Se-toxic farms. Se deficiency in those herds. Land-spreading of drainage spoil should be avoided if there is any suspicion that the spoil may contain high Se levels.
Horses are more susceptible than cattle.
If other measures can not be used, cattle should be grazed in preference to horses in potentially toxic areas. Se levels in fodders and its relationship with Degnala Disease. Livestock problems related to geochemistry in India including selenium toxicity and goitre. Regional geochemical studies in Co. Limerick, Ireland with particular reference to selenium and molybdenum. Ph.D. Thesis, Royal School of Mines, Imperial College, London.