| 摘要 |
<p>Product for preventive and oral administration against canine parvovirosis containing antibodies to canine parvovirus from colostrum of immunised cows and/or egg yolks of immunised laying hens. The product also contains stabilised live cultures of lactaciodogenic bacteria. Production of antibodies to canine parvovirus consisting in the immunisation of the cows and/or laying hens with the canine parvovirus antigen, collection of the colostrum of the immunised cows and/or egg yolks of immunised laying hens, and adjustment of the obtained intermediate product into a form suitable for immunisation of dogs, for instance by drying.</p> |
