Alverin Plus Injection for Cattle 
For the treatment of mixed infestations of adult liver fluke and gastro-intestinal roundworms, lungworms, eye worms, and/or mites and lice of beef and non-lactating dairy cattle. 

Dosage & Administration
1ml per 50kg bodyweight (based on a recommended dosage level of 200 ug of ivermectin and 2mg of clorsulon per kg bodyweight)
Over 300kg give 1ml per 50kg bodyweight. 
to ensure a correct dosage, bodyweight should be determined as accurately as possible. If animals are to be treated collectively rather than individually, to avoid under or over-dosing, they should be grouped according to their bodyweight and dosed accordingly. Inject only the subcutaneous route. 

Withdrawal Period 
Meat and offal: 66 days.
Milk: Do not use in cattle producing milk for human consumption. 
Do not use in non-lactating dairy cows including pregnant heifers within 60 days of calving. 

Contraindictions, Warnings etc
Dangerous to fish and aquatic life. Do not contaminate ponds, waterways or ditches with the product or used containers. 

Please see below link to the Veterinary Medicines Product Information Database
http://www.vmd.defra.gov.uk/productinformationdatabase/Default.aspx