Bovilis Huskvac, Suspension for oral administration in cattle
Company name: MSD Animal Health
Address: Walton Manor
Telephone: 01908 685685 (Customer Support Centre)
Fax: 01908 685555
Each single dose (25 ml) contains 1000-2000 viable Dictyocaulus viviparus 3rd stage irradiated larvae.
For the active immunisation of cattle to reduce clinical signs and lesions of parasitic bronchitis attributable to Dictyocaulus viviparus (Lungworm).
Onset of immunity: 2 weeks after completion of the basic vaccination scheme.
Duration of immunity: lungworm immunity is maintained from season to season by the exposure to lungworm larvae, which in most cases occurs from the grazing of normal pastures. If such exposure does not occur, a single booster dose is required prior to each season’s turnout.
Vaccinate healthy animals of 8 weeks of age and older.
Can be used during pregnancy.
Shake bottle well immediately before use and administer the full dose (25 ml) orally.
Basic vaccination scheme:
Two doses at a dosage interval of approximately 4 weeks.
Lungworm immunity is maintained from season to season by the exposure to lungworm larvae, which in most cases occurs from the grazing of normal pastures after vaccination. Under these conditions of exposure, re-vaccination is generally not required.
A single dose of Bovilis Huskvac prior to each season’s turnout will boost immunity where such exposure has not occurred, e.g. extensive use of anthelmintics or if using reserved or clean pasture for a large part of the grazing season.
Only healthy calves should be vaccinated.
Bovilis Huskvac must not be given to calves showing any signs of illness, particularly those
exhibiting any signs of respiratory distress.
Transient episodes of coughing may occur approximately 7 days after either dose of Bovilis Huskvac, but these usually subside in a few days. No symptoms other than detailed above were observed following administration of twice the recommended dose.
Following vaccination, vaccinated stock should not be mixed with unvaccinated stock or allowed to graze on pastures recently used by unvaccinated stock until 2 weeks after the second dose of Bovilis Huskvac.
Note: For optimum benefit it is important that the calf is exposed to pasture carrying some infection after this time, as this low level exposure enhances the immunity induced by vaccination with Bovilis Huskvac.
No information is available on the safety and efficacy of this vaccine with any other veterinary medicinal product. A decision to use this vaccine before or after any other veterinary medicinal product therefore needs to be made on a case by case basis.
Do not mix with any other veterinary medicinal product.
Owing to variations in residual activity of modern anthelmintics, the use of these preparations must be avoided from a period extending from 8 weeks before the first dose until 14 days after the second dose of Bovilis Huskvac. The same condition applies to sustained release anthelmintic boluses, which must be avoided completely until 14 days after the second dose of Bovilis Huskvac, after which time no interference with immunity to lungworm vaccination should occur.
Routine vaccination of housed or suckled young stock prior to exposure to field lungworm challenge will help protect the calves and help reduce the levels of pasture contamination with lungworm larvae. However, owing to the ability of lungworm larvae to survive on pasture, calfhood vaccination programmes to control lungworm infection can only be successful if all susceptible calves are vaccinated in the spring before exposure to natural field infection occurs at turnout or weaning.
A good immune response is reliant on the reaction of an immunogenic agent and a fully competent immune system. Immunogenicity of the vaccine antigen will be reduced by poor storage or inappropriate administration. Immuno-competence of the animal may be compromised by a variety of factors including poor health, nutritional status, genetic factors, concurrent drug therapy and stress.
Withdrawal periods: Zero days.
Operator warnings: Wash hands after use.
FOR ANIMAL TREATMENT ONLY. KEEP OUT OF REACH AND SIGHT OF CHILDREN.
Store in a refrigerator (2°C to 8°C). Do not freeze.
Dispose of waste material by boiling, incineration or immersion in an appropriate disinfectant in accordance with national requirements.
Carton containing 12 bottles with 25 ml larval suspension in 30 ml glass hydrolytic class type III bottles, closed with a metal screw cap with a PEP inlay.
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