Doxycycline is a tetracycline antibiotic that fights bacteria in the body. Doxycycline is used to treat many different bacterial infections, such as acne, urinary tract infections, intestinal infections, respiratory infections, eye infections, gonorrhea, chlamydia, syphilis, periodontitis (gum disease), and others
Doxycycline is often used to treat avian infectious diseases such as colibacillosis, salmonellosis, staphylococcosis, mycoplasmosis, and chlamydiosis
For the treatment of other bacterial diseases of poultry: 125-250 mg per Kg body weight or 2.5 gm per litre drinking water for 7 days or 2-4 gm per Kg poultry feed for7 days. To improve FCR, to increase weight & production of poultry: 50-100 gm per 100 Kg poultry feed regularly.