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Reducing the allergenicity of cat hair using diet

E. Satyaraj, C. Gardner, I. Filipi and others

Immunity, Inflammation and Disease (2019) 7, 68–73

doi: 10.1002/iid3.244

• What did the research find?

Baseline levels of active Fel d1 – a glycoprotein – varied greatly among the cats in this study, ranging from 64.4 to 533.3 μg/g hair. There was a steady decrease in active Fel d1 levels from the first week of the study, with significant reductions compared with baseline being observed after three weeks. By the end of the study, active Fel d1 levels had decreased by an average of 47 per cent compared with baseline. Cats with the highest baseline levels of active Fel d1 showed the greatest percentage decrease.

• How was it conducted?

Hair was collected from 105 cats four times over a two-week period to establish baseline Fel d1 levels. The cats were then fed a diet containing 8 ppm anti-Fel d1 IgY from chicken eggs for a 10-week test period. During this …

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