ANSWER
According to Animal Feed Act No, 15 of 1986, there are no specific regulations for animal feed additives.
However, according to list of the authorised additives in feedingstuffs pusblished in application of Article 9t(b) of Council Directive 70/524/EEC concerning additives in feedingstuffs, tocopherol, BHT and BHA are permitted to use as an antioxidant in feedingstuffs.
| Antioxidant substances | Species or category of animal | Maximum Level (mg/kg of complete feedingstuff) | Other provisions |
| E306 Tocopherol-rich extracts of natural origin | All species or categories of animals | – | All feedingstuffs |
| E307 Synthetic alpha-tocopherol | All species or categories of animals | – | All feedingstuffs |
| E308 Synthetic gamma-tocopherol | All species or categories of animals | – | All feedingstuffs |
| E309 Synthetic delta-tocopherol | All species or categories of animals | – | All feedingstuffs |
| E320 Butylated hydroxyanisole (BHA) | All species or categories of animals except dogs | 150 alone or together with E321 and/or E324 | All feedingstuffs |
| Dogs | 150 alone or together with E321 | The mixture of ethoxyquin with BHA and/or BHT is allowed provided the total concentration of the mixture does not exceed 150 mg/kg of complete feedingstuff. | |
| E321 Butylated hydroxytoluene (BHT) | All species or categories of animals except dogs | 150 alone or together with E320 and/or E324 | All feedingstuffs |
| Dogs | 150 alone or together with E320 | The mixture of ethoxyquin with BHA and/or BHT is allowed provided the total concentration of the mixture does not exceed 150 mg/kg of complete feedingstuff. |
Please refer to the attachment for more information on other antioxidants that is permitted to use in feedingstuffs:
References
Council Of The European Union. (2004). List of the authorised additives in feedingstuffs pusblished in application of Article 9t(b) of Council Directive 70/524/EEC concerning additives in feedingstuffs.
Parliament of the Democratic Socialist Republic of Sri Lanka. (1986). Animal Feed Act No, 15 of 1986.
