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AssigneeBoehringer Ingelheim Vetmedica GmbH
InventorsWilliam Charles Ohnesorge, Isabelle Freiin Von Richthofen, Marika Christine Genzow, Martina Von Freyburg, Carola Kissel, Luc-Etienne Fabry, Knut Elbers, Kathleen Kwan Young Park
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The present invention provides a one phase, aqueous vaccine composition for immunizing an animal against infection by Mycoplasma hyopneumoniae, comprising: an immunizing amount of a Mycoplasma hyopneumoniae bacterin, an acrylic acid polymer in the concentration range between 0.8 and 1.2 mg/ml, and a pharmaceutically acceptable carrier, and substantially no oil. It is especially useful for immunizing a pig against infection by Mycoplasma hyopneumoniae for at least 20 weeks after a single administration, which effective immunity is reached within 4 weeks after vaccination.
A method of preventing and/or reducing one or more clinical sign(s) caused by Mycoplasma hyopneumoniae in animal comprising administering to the animal a single dose of a one phase, aqueous vaccine composition consisting essentially of substantially pure inactivated whole cell Mycoplasma hyopneumoniae ATCC 25934 bacterin having an antigen amount between 5 log 10 and 8 log 10 per ml before inactivation;
Dependencies are inferred from the claim text.