Dundrum, Co Tipperary, Ireland | Tel: +353 62 71633

Shamrock High Mag Fertility Block

Shamrock High Mag Fertility Block


A seaweed based supplement that contains a rumen buffer, minerals, trace elements and vitamins.


Higher levels of magnesium help prevent the onset of grass tetany (grass staggers)

Full compliment of micronutrients, especially the trace elements iodine, cobalt, copper, zinc, selenium and manganese, all of which are necessary for oocyte development, fertilization, implantation and early embryonic development.

Available in:

18 kg and 40 kg mineral block form

Consumption Rate:

20g/100kg bodyweight/day.

Garlic can be added to repel flies and insects.

Shamrock High Mag Fertility Block

Shamrock High Mag Fertility Block is a dual purpose complimentary mineral supplement that alleviates the requirement for two blocks. The mineral block contains 15% magnesium to help prevent grass tetany in periods of risk and is also rich in micronutrients for efficient reproductive performance. Suitable for all breeding heifers and cows and recommended to give to animals for up to 4 weeks prior to breeding.

Features and Benefits:

  • Seaweed based.
  • Contains a rumen buffer for improved digestive health and feed efficiency.
  • No fillers added.
  • Low usage rate.
  • Available 24 hours a day.
  • Reduce the likelihood of grass tetany during high risk periods.
  • High in all micronutrients essential for optimum fertility.

Key Points about Shamrock High Mag Fertility Block

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