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CTC 15% w/w premix for medicated feed

Product Description

CTC 15% w/w premix for medicated feed contains 150mg per g of Chlortetracycline hydrochloride and is indicated as an aid in the treatment of respiratory disease in calves and pigs caused by Pasteurella spp. and micro-organisms sensitive to Chlortetracycline. Chlortetracycline has a broad spectrum of activity, including Gram-positive aerobes, Gram-negative anaerobes and Mycoplasmas.


Calves (less than 6 months of age) and pigs.

Dose & Administration

  • 20mg Chlortetracycline per kg bodyweight for seven days

Equivalent dose of CTC 15% Premix

  • 20g of CTC 15% premix per 150 kg bodyweight for seven days

Treatment Guide

Bodyweight (kg) - CalvesAverage Feed Intake Kg feed/dayAverage Feed Intake Kg feed/day
150kg1kg20 kg per tonne
300kg2kg20 kg per tonne
Age of Pig (weeks – kg)Average feed intake Kg feed/dayInclusion Rate
8 weeks (20 kg bodyweight)1 kg2.7 kg per tonne
12 weeks (30 kg bodyweight)1.5 kg2.7 kg per tonne
14 weeks (45 kg bodyweight)2 kg2.7 kg per tonne
16 weeks (60 kg bodyweight)2.5 kg2.7 kg per tonne
  • To allow thorough dispersion of the product, CTC 15% premix should first be mixed with 50kg feed before incorporating into the final feed.
  • Treatment should be continued for a period of 7 days.


Meat and Offal 
Cattle: 35 days
Pigs: 6 days

Additional Info

packsize_small  Pack Size



Legal Category: POM
Licence  Number (Ireland): 10990/039/002