Scottish Government

Stock unit on slurry-based system

Number of stock units on slurry or part slurry-based system

Proportion of waste collected as slurry

Volume per stock unit per month m3

Total volume produced each month m3

Cattle

1 dairy cow (650kg)

x

x

1.93

=

1 dairy cow (550kg)

x

x

1.61

=

1 dairy cow (450kg)

x

x

1.28

=

1 suckler cow or dairy heifer replacement (550kg)

x

x

0.98

=

1 beef bullock (440kg)

x

x

0.79

=

1 follower or young stock (180kg)

x

x

0.40

=

1 calf (to 6 months)

x

x

0.21

=

Pigs

1 maiden gilt (90-130kg)

x

x

0.22

=

1 breeding sow place

(and piglets to 4 wks)

x

x

0.33

=

1 weaner place

x

x

0.04

=

1 grower pig place

x

x

0.08

=

1 light cutter pig place

x

x

0.13

=

(35-105kg, dry meal fed)

1 bacon pig place (35-105kg, liquid fed)

x

x

0.14

=

1 bacon pig place
(35-105kg, liquid fed)

x

x

0.22

=

Total monthly volume of slurry =

m ³