Minervit- SR Bolus

10-gram bolus provides the following nutrients daily for 140 days

5 mg copper per day

0.2 mg cobalt per day

0.12 mg selenium per day

4.4 mg manganese per day

7 mg zinc per day

0.6 mg iodine per day

0.36 mg vitamin A per day

1/2 mg vitamin E per day




  • Reduces the risk of nutrient deficiency in small ruminants especially in the grazing condition (sheep and goats).


  • During a 140 days period the bolus gradually provides micro-minerals and vitamins that are usually deficient in the forage of most Iranian pasturelands.


  • SR bolus are free from hormonal chemicals and antibiotics; therefore, they are safe to use without any impact on the animal products including milk and meat.


  • Strengthens the immune system of livestock and reduces the chances of various diseases in the cattle.


  • Improves the reproductive efficiency of the cattle and reduces the percentage of no pregnant ewe and goats.
  • Improves the mating ability and increases sperm fertility in rams and male goats at the beginning of the mating season.


  • Improves the growth rate of lambs and goats in the embryonic period and increases their birth weight.


  • Improve the quality of colostrum and the milk




  • Feed one bolus for every 25 to 30 kg of live weight.
  • The best time to use the bolus is late summer and early autumn (before the start of the mating season)
  • Do not manipulate livestock diet while using the bolus.
  • Do not use injectable mineral or vitamin supplements or drinks for up to 140 days, unless instructed by your veterinarian
  • Keep the boluses in a cool, dry place.
  • Avoid feeding blues to livestock weighing less than 25 kg.
  • Avoid dropping the boluses on hard surfaces; avoid using broken and cracked boluses.
  • Keep boluses away from sunlight and keep them out of the reach of children