Effects of countermeasures on caesium-137 levels in milk and meat


Level of pasture
contamination
(Bq/kg)
*Intake/day
(kBq)
Meat Milk

Caesium-137 level
equilibrium
(Bq/kg)
Caesium-137 level
following boli
(Bq/kg)
Caesium-137 level
equilibrium
(Bq/kg)
Caesium-137 level
following boli
(Bq/kg)

250 17.5 280 90 112 34
500 36 700 234 280 94
1,000 70 1,400 450 550 186
1,500 105 2,100 700 840 280
2,000 140 2,800 920 1,120 374
3,000 210 4,200 1,400 1,680 560
5,000 350 7,000 3,000 2,800 920
10,000 700 14,000 4,600 5,600 1,860


The table illustrates the relationship between levels of pasture contamination and caesium-137 levels in meat and milk, and the effect on meat and milk levels of administering boli.

*Assumes daily intake of 70 kg fresh herbage/animal.