One treatment of Cydectin 10% Long Acting Cattle injection helps worm control throughout the grazing season, based on a set stocking system. In cattle weighing from 100 to 500 kg bodyweight, CYDECTIN 10% LA is indicated for the treatment and prevention of mixed infestations by mature and immature gastro-intestinal nematodes (stomach & gut worms), respiratory nematodes (lung worms) and certain arthropod parasites (Warbles, Lice and Mange Mites).

Dosage & Administration 
0.5 ml/50 kg bodyweight, equivalent to 1mg moxidectin/kg bodyweight, given by a single subcutaneous injection in the ear using an 18 gauge, 25-40 mm hypodermic needle. Determine cattle weight to ensure correct dose rate is used. Do not use in animals less than 100kg or more than 500kg bodyweight. 

Withdrawal Periods 
Meat and offal: 108 days
Milk: Not permitted for use in lactating animals producng milk for human consumption or industraial purposes or within 80 days of expected parturition. The withrawal period is based solely on a single injection at the ear site injection.

Contraindictions, Warnings etc
Extremely dangerous to fish and aquatic organisms.
Do not contaminate ponds, waterways or ditches witht he product or empty container.

Available in 50ml or 200ml.

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