If you want a DEFRA approved disinfectant that is also "quite" enviro friendly us Viratec P This is the blurb on the product:
Viratec-P Poultry Disinfectant cleans and disinfects in one application and is UK DEFRA approved against all notifiable poultry diseases. Containing a powerful composition, Viratec-P is highly effective against 65 strains of virus in over 19 viral families, hundreds of strains of bacteria and over 100 strains of fungi.[/i]
Powerful and fast-acting, Viratec-P will kill bacteria with contact times as low as 5 minutes. Ideal for use on housing, arks, equipment and effective on porous surfaces, hard water and in the presence of organic matter.[/i]
Viratec-P is environmentally acceptable with an exceptional safety profile towards man and animals when used and disposed of as instructed on the label. [/i]
500g makes 50 litres[/i]
Thanks[/i]