# The Feeding Stuffs Regulations 1995, Part A—COMPOUND FEEDING STUFFS EXCEPT THOSE FOR PETS


Analytical constituents
Limits of variation (absolute value in percentage by weight , except where otherwise specified)
Ash
If present in excess–
2 for declarations of 10% or more
20% of the amount stated for declarations of 5% or more but less than 10%
1 for declarations of less than 5%
In the case of deficiency–
3 for declarations of 10% or more
30% of the amount stated for declarations of 5% or more but less than 10%
1.5 for declarations less than 5%
Ash insoluble in hydrochloric acid
If present in excess—
2 for declarations of 10% or more
20% of the amount stated for declarations of 5% or more but less than 10%
1 for declarations less than 5%
Calcium
If present in excess–
3.6 for declarations of 16% or more
22.5% of the amount stated for declarations of 12% or more but less than 16%
2.7 for declarations of 6% or more but less than 12%
45% of the amount stated for declarations of 1% or more but less than 6%
0.45 for declarations less than 1%
In case of deficiency–
1.2 for declarations of 16% or more
7.5% of the amount stated for declarations of 12% or more but less than 16%
0.9 for declarations of 6% or more but less than 12%
15% of the amount stated for declarations of 1% or more but less than 6%
0.15 for declarations less than 1%
Cystine
In case of deficiency–
30% of the amount stated
Fibre
If present in excess–
1.8 for all declarations
In case of deficiency–
45% of the amount stated
Lysine
In case of deficiency–
30% of the amount stated
Magnesium
If present in excess–
4.5 for declarations of 15% or more
30% of the amount stated for declarations of 7.5% or more but less than 15%
2.25 for declarations of 5% or more but less than 7.5%
45% of the amount stated for declarations of 0.7% or more but less than 5%
0.3 for declarations less than 0.7%
In case of deficiency–
1.5 for declarations of 15% or more
10% of the amount stated for declarations of 7.5% or more but less than 15%
0.75 for declarations of 5% or more but less than 7.5%
15% of the amount stated for declarations of 0.7% or more but less than 5%
0.1 for declarations less than 0.7%
Methionine
In case of deficiency–
30% of the amount stated
Moisture
If present in excess–
1 for declarations of 10% or more
10% of the amount stated for declarations of 5% or more but less than 10%
0.5 for declarations less than 5%
Oil
If present in excess–
3 for declarations of 15% or more
20% of the amount stated for declarations of 8% or more but less than 15%
1.6 for declarations less than 8%
In case of deficiency–
1.5 for declarations of 15% or more
10% of the amount stated for declarations of 8% or more but less than 15%
0.8 for declarations less than 8%
Phosphorus
If present in excess–
3.6 for declarations of 16% or more
22.5% of the amount stated for declarations of 12% or more but less than 16%
2.7 for declarations of 6% or more but less than 12%
45% of the amount stated for declarations of 1% or more but less than 6%
0.45 for declarations less than 1%
In case of deficiency–
1.2 for declarations of 16% or more
7.5% of the amount stated for declarations of 12% or more but less than 16%
0.9 for declarations of 6% or more but less than 12%
15% of the amount stated for declarations of 1% or more but less than 6%
0.15 for declarations less than 1%
Potassium
If present in excess–
4.5 for declarations of 15% or more
30% of the amount stated for declarations of 7.5% or more but less than 15%
2.25 for declarations of 5% or more but less than 7.5%
45% of the amount stated for declarations of 0.7% or more but less than 5%
0.3 for declarations less than 0.7%
In case of deficiency–
1.5 for declarations of 15% or more
10% of the amount stated for declarations of 7.5% or more but less than 15%
0.75 for declarations of 5% or more but less than 7.5%
15% of the amount stated for declarations of 0.7% or more but less than 5%
0.1 for declarations less than 0.7%
Protein
If present in excess–
4 for declarations of 20% or more
20% of the amount stated for declarations of 10% or more but less than 20%
2 for declarations less than 10%
In case of deficiency–
2 for declarations of 20% or more
10% of the amount stated for declarations of 10% or more but less than 20%
1 for declarations less than 10%
Protein equivalent of biuret, diureidoisobutane, urea or urea phosphate
±1.25 or ±20% of the amount stated, whichever is greater
Sodium
If present in excess–
4.5 for declarations of 15% or more
30% of the amount stated for declarations of 7.5% or more but less than 15%
2.25 for declarations of 5% or more but less than 7.5%
45% of the amount stated for declarations of 0.7% or more but less than 5%
0.3 for declarations less than 0.7%
In case of deficiency–
1.5 for declarations of 15% or more
10% of the amount stated for declarations of 7.5% or more but less than 15%
0.75 for declarations of 5% or more but less than 7.5%
15% of the amount stated for declarations of 0.7% or more but less than 5%
0.1 for declarations less than 0.7%
Starch and total sugar plus starch
If present in excess—
5 for declarations of 25% or more
20% of the amount stated for declarations of 10% or more but less than 25%
2 for declarations less than 10%
In case of deficiency–
2.5 for declarations of 25% or more
10% of the amount stated for declarations of 10% or more but less than 25%
1 for declarations less than 10%
Total sugar expressed as sucrose
If present in excess–
4 for declarations of 20% or more
20% of the amount stated for declarations of 10% or more but less than 20%
2 for declarations less than 10%
In case of deficiency–
2 for declarations of 20% or more
10% of the amount stated for declarations of 10% or more but less than 20%
1 for declarations less than 10%
Threonine
In case of deficiency–
30% of the amount stated
Tryptophan
In case of deficiency–
30% of the amount stated

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Source: https://www.legislation.gov.uk/uksi/1995/1412/schedule/3/part/1 (the official version)
Page: https://openlegislation.uk/feeding-stuffs-regulations-1995/schedule-3/part-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.