Description   ALL GUARD XTRA is used to counter the effects of trace element deficiencies and to provide the crucial nutrients essential for the key phases of calving, breeding, growth and thrive. Multi Trace Element bolus (Copper, Iodine, Selenium, Cobalt and Zinc) High Iodine content (50% more Iodine than competing boluses)   COMPOSITION Trace element per Bolus: Copper 30,000mg Iodine 5,000mg Zinc 5,000mg Selenium 500mg Cobalt 500mg Vitamin E 1,100IU   FEATURES / BENEFITS Last up to 6 months Slow release True high Iodine Contains Zinc & Vitamin E   APPLICATION GUIDELINES Cattle 200kg – 500kg 1 Bolus Cattle over 500kg 2 Boluses   To be administered orally by means of a balling gun. Avoid simultaneous use of other sources of Trace Elements. Before use, seek advice from a Veterinarian or Nutritional Specialist.