Westcombe had a two-week period last year when it was forced to alternate production among its three herds and use pasteurised
milk following a skin test.
Mary McIlwain, aged 61, from Cheylesmore could not taste any difference at all between Cravendale PurFiltre and regular pasteurised
Eighty-five per cent of milk buyers believed that longlife milk contains preservatives, and 60 per cent felt there was less calcium, vitamins and nutrients in longlife milk than in fresh pasteurised milk.
In reality longlife milk has no additives or preservatives and contains all the same minerals,vitamins and calcium as fresh pasteurised milk, thereby providing the same goodness to consumers.
Azmina Govindji, highly regarded consultant, nutritionist and dietician, said: "In terms of nutrition, you just need to compare the nutritional valuers of longlife milk and pasteurised milk to see that all the goodness of calcium and vitamins is sealed in with all types.
This part concludes by examining the types of treatment and these include those required to produce precooked chilled products, ambient in-pack sterilised products, chilled in-pack pasteurised products and cured products.
It also includes a section on manufacturing control points and investigates organisms of significance, heat resistance characteristics and critical control points for ambient in-pack pasteurised products and precooked chilled products.
A spokesman for the retailers accepted that eggs with the Lion Quality symbol were safe but felt that pasteurised
eggs provide pregnant women, children and the elderly with "added reassurance".
One third of eateries do not use pasteurised eggs to eliminate the risk of food poisoning.
Last August the authority wrote to caterers advising them to use pasteurised eggs in high-risk dishes such as quiche.
The move comes after tests showed a bug linked to Crohn's disease, a chronic inflammation of the intestine, could be in a fifth of all pasteurised