harmacological action:

Chlortetracycline premix is the whole fermentation products, Belong to tetracycline drugs. The active ingredient is chlortetracycline calcium. Chlortetracycline (CTC) Feed Grade is a broad-spectrum antimicrobial drug. It is usually administered in the feed for prophylactic purposes. It is classified as tetracycline antibiotics with good bacteriostatic effects against both gram Positive and gram negative bacteria, mycoplasma, chlamydia, rickettsia, tubercle bacillus and virus. 
It is active in the inhibition and treatment of white dysentery, enteritis, pheumonia, typhoid, paratyphoid, cholera etc. In poultry and livestock, Chlortetracycline can also promote the permeation and absorption of the nourish elements, stimulating hypophysis to produce Hormone and adjusting appetites. It results in obvious growth promotion for poultry, livestock and so on, also greatly increases the reward of feed.