Why Leucogen?

Leucogen is the world's first recombinant sub-unit vaccine produced by genetic engineering. Vaccination with Leucogen provides excellent protection against FeLV infection and increases the life expectancy of FIV-positive cats. Studies have shown that Leucogen is the most effective Leukaemia vaccine commercially available1,2. It does not contain the immunosupressive protein found in whole, killed viruses.Leocogen is extremely safe due to the absence of viral and cell culture contaminants3.

1. H.Lutz 1998, Comparative studies of the efficacy of two Felv vaccines 4th European FECAVA Congress 2. O. Jarrett et.al. 1996, Comparative studies of the efficacy of recombinant FelV vaccine. Vetrinary record, 138, 7-11  3. C.Barrett et.al. 1991, comparison of six commercially available vaccines against feline leukeamia, Orlando Colloquium on FelV/FIV


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