PREVENTION AND TREATMENT OF PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME (PRRS)
The invention relates to the use of specific anti-PRRSV immunoglobulin compositions which are obtained from the egg yolk of hens hyperimmunised with the PRRS virus. The immunoglobulins are obtained by extracting the aqueous phase of the yolk through the use of hydroxypropyl methylcellulose phthalate...
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