Twenty-one dogs with atopy were entered into a blinded, placebo-controlled study lasting eight weeks. They were randomly divided into three groups and were all given supplementary oils orally once daily. The dogs in groups A and B were given borage seed oil and fish oil in combination (Viacutan; Boehringer Ingelheim Vetmedica) to provide 176 mg/kg or 88 mg/kg borage seed oil respectively. The dogs in group C were given 204 mg/kg olive oil as a placebo. They were all re-examined after four and eight weeks and scored for pruritus, erythema, oedema, alopecia and self-excoriation. After eight weeks the scores for erythema and self-excoriation, and the total score for the dogs in group A, and the total score for the dogs in group B were significantly reduced (P<0.05). The dogs in group C showed no significant improvement.
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