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Guidelines for farmers in nitrate vulnerable zones
Table F: Slurry production per month (based on undiluted slurry)
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 |
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