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The products on this website are not available in their current form in the USA. A selection of TWYDIL® products appearing on this website have been exclusively and specifically produced to meet FDA guidelines and are being currently distributed in the USA. Please contact our exclusive US distributor for further information on available products:
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Zinc (Zn)

Zinc and its roles:
  • Antioxidant action through superoxide dismutase
  • Supports DNA formation
  • Involved in elastic tissue formation
  • Supports digestion through its presence in various enzymes
  • Helps in hoof formation 

Zinc is also a catalyst in many metabolic and organic reactions and has many functions.

The bioavailability of zinc can vary and depends on the type of raw material but also the age of the horse. A variety of different sources (organic and mineral) is also an advantage.  

A horse’s zinc requirements are estimated at 9 mg/kg of metabolic weight per day. The ratio Cu:Zn must be close to 1:4.

The metabolic weight corresponds to the horse's weight to the power of 0.75: for example a horse of 450 kg : 450 0.75 = 98 kg of metabolic weight; such a horse will need 873 mg of zinc per day.

Copper and zinc

Cu/Zn ratio between 1:4 and 1:3 is very important in order to:
  • regulate nutrient absorption
  • act synergistically in growing processes
  • regulate metabolic stress reaction

Practical case: oats 5 kg and hay 5 kg

kgZn (mg)Cu (mg)Zn / Cu
Ideal value6272093
% ratio/need5719

A traditional feed does not cover the needs in trace elements, especially copper and zinc.
TWYDIL® products that contain this ingredient:



Christmas Holidays

Our offices are closed from 24 December 2018 to 2 January 2019, 8 am. We thank you for your trust...

Product of the month




The season has begun and with the increase of the workload, the risk of gastric ulcers is maximum.

For your horses in lack of fitness, think of TWYDIL® STOMACARE. This product keeps your athletes in good shape, ensures their gastric well-being and strengthens their stomach defenses.

Studies show that the activity of the product is visible after 2 weeks with a maximum effect occuring after 4 weeks of complementation. TWYDIL® STOMACARE should be given 15 minutes before exercise.