open and infected wounds

safe for calves nursing pregnant cows ONLY if their dams were vaccinated prior to breeding as described above

Regularly check the headcollar for wear and ensure it is not too tight to avoid discomfort

chicken meal

zinc amino acid chelate

Seresto Flea & Tick Dog Collars Size:Large open and infected woundsSeresto Flea and Tick Collar for Dogs Kills fleas within 24 hours and ticks within 48 hours after initial application. Re infesting fleas are killed within two hours and reinfesting ticks on dogs are killed in as quickly as six hours. As the active ingredients wear off the dog. The flea and tick collar replenishes the hair and skin with a new supply of active ingredients, providing continuous protection against fleas and ticks for eight months. Repels