Summit Iodine Salt Block with zinc

SummitIodineBlock Summit Iodine Salt Block With Zinc

The Summit® Iodine Salt block with zinc will provide iodine and zinc as a dietary supplement. Iodine is a constituent of thyroid hormones.

These hormones have important roles in energy metabolism and protein synthesis and they are essential for growth and development. New Zealand soils are generally low in iodine. Zinc is required for a wide range of body functions and it must be supplied on a continuous basis in the diet.

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Features & Benefits

  • Contains NO Copper so is suitable for beef and sheep including Texel Sheep
  • Convenient and suitable for use when extra Iodine and Zinc supplementation is required
  • Salt supplementation can increase feed intake
  • Salt addition to diet optimises production
  • Trace minerals for animal health

Dose Rates

  • Iodine Block 20kg
  • Cattle: 1 block per 10 cattle. Usual intake 15-40g/head/day – 50 days per block
  • Sheep: 1 block per 50 sheep. Usual intake 3-10g/head/day – 50 days per block. Suitable for texel sheep.

Content – Active Elemental Loading

Sodium Chloride (Salt) 94.8% Iodine 500 mg/kg
Sodium 37% Iron 89 mg/kg
Calcium 0.9% Cobalt 80 mg/kg
Zinc 2000 mg/kg Selenium 6 mg/kg

Why Salt Blocks?

Animals have sought salt since the beginning of time, gathering at salt licks to satisfy their need for salt. Many New Zealand soils and pastures are naturally low in available sodium, and the use of certain fertilisers, such as Potash, may accelerate the leaching process.

Sodium deficiencies are manifested as abnormal licking or chewing of wood, soil and sweat of other animals and may be accompanied by a decline in growth rates and/or milk production.

Common Salt (sodium chloride) is an essential constituent of animal diet. Because many New Zealand pastures are deficient in sodium some form of supplementation is often necessary. For instance, lactating cows need a daily minimum of 20gms of sodium chloride, dry cattle a minimum of 10gms and sheep a minimum of 2gms.

Sodium is routinely expelled from the body in milk, urine, faeces, sweat and saliva. Sodium should be available to farm animals every day and because of this, is a convenient carrier of other minerals.

Salt may be one of the most cost effective methods of increasing production.

  • Sodium in some form should be available at all times all year round
  • Dairy cows’ salt requirements significantly increase when lactating, as large amounts of sodium are excreted in milk
  • Young animals in rapid growth need sodium for new tissue formation
  • When sodium is deficient, appetite is suppressed
  • Trials prove Summit® Salt Blocks last nearly 4 times longer than loose rock salt and require twice as much rainfall before broken down by the elements.
  • Compact 20kg Summit® Salt Blocks are easy to stack, handle and dispense.


New Zealand dairy cows grazing pasture are most susceptible to deficiencies of cobalt, copper, iodine, and selenium.

Zinc supplementation is also important for immunity and hoof health.

Trace mineral deficiencies may induce problems such as abortions, retained placentas, mastitis, and infertility.

Some more mineral specific problems are as follows:

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