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PLEASE NOTE this is for NZ Orders Only
Australian orders email: Vicky -

A blend of organic calcium with essential co-factors (magnesium, boron, phosphorous and Vit D) to ensure efficient absorption.

Mare giving birth
The birth of Zephyr

Additional calcium is required for:

  • Pregnant mares to build the skeleton (and other tissues) of the unborn foal
  • Lactating mares especially until the foal is about 3 months old. Young foals take virtually all their nutrition from their mother's milk. For instance if Mum doesn't receive enough calcium from her diet then it is dragged out of her bones to supply the needs of the growing foal. This is detrimental to her long term health and means the foal may not get all he requires to be strong and healthy
  • Horses that are working hard suffer a lot of 'wear and tear' and can lose calcium in their sweat
  • Oxalates present in certain grasses, (especially kikuyu in New Zealand) bind up the calcium making it unavailable to the horse. The organic calcium in Xtra Cal is already bound so cannot be bound by oxalates and is therefore available to the horse.

* Pregnant and lactating mares that are also grazing oxalate grasses are very vulnerable to calcium deficiency.


Zephyr aged 5 years

A premium blend of
Chelated Calcium
Vitamin D

Xtra Info

XtraCal ideally complements 
Premium NZ Horse Minerals. Fitting perfectly together they supply
  • All the macro-minerals
  • All the trace minerals
  • All the anti-oxidants
  • All the Vitamins including all of the B group

Merlot & Zephyr
Merlot with Zephyr - just minutes after birth.

Merlot was fed XtraCal along with Premium NZ Horse Minerals right through her pregnancy resulting in an effortless birth and a very strong, straight, healthy colt.

Zephyr, the foal above at 3 years (Dec2015). He has been fed XtraCal along with Premium NZ Horse Minerals all his life. 

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