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Blend Additives


Additives for Transition

X-Zelit is a phosphorus and calcium binder that can be added by Nutrinz and used for the prevention of milk fever and hypocalcemia in newly calved cows.

Bag of MineralBoost Bovatec 20CC

Feeding Recommendations

X-Zelit can be added to in-shed feed blends, mixed with other feed in mixer wagons, or directly added to feed in troughs. No feed formulation changes are required when feeding X-Zelit.

Aim to feed X-Zelit at 500g/cow/day for 14 days prior to calving. Feed with 50g of Magnesium Oxide/cow/day.

Can be used with home grown pasture, hay, and silage. Avoid fodder beet due to its low phosphorous content. It has a neutral taste and pH with no feed rejection or sorting.

Nutritional information:

X-Zelit is a Synthetic Zeolite, globally patented and has ACVM registration in NZ, number AA11835.


X-Zelit is a globally patented Synthetic Zeolite used to prevent Milk Fever, sub-clinical Milk Fever and associated metabolic diseases.

Nutritional Benefits

X-Zelit is a revolution in milk fever prevention as it does not rely on low or negative DCAD and restriction of pasture or high potassium feeds to prevent milk fever. This gets the cow’s rumen adjusted to high pasture intake before calving. X-Zelit triggers the cow’s natural response to release calcium from its bones to meet the massive extra demand for calcium at calving time.

It is a healthy way to prevent milk fever, hypocalcaemia, and related metabolic diseases. This was proven by DairyNZ trials in NZ. Other scientific trials further showed reduced cases of Mastitis, Metritis, LDA’s while improving milk production and reproduction. These results have also been seen on farms in NZ.

The use will result in labour cost savings, and eliminate the need to monitor complicated diet formulations or urine testing. The use of unpalatable minerals to achieve low DCADs that reduce intake during the critical pre-calving period is also eliminated.

Want to find out more?

Contact your local TSR or the Nutrinza sales team.

Cattle Feed Storage on Farm

As with any grain or meal feed products need to be kept dry as moisture combined with heat can cause fungi to grow. Common on farm storage methods are: in a shed or unused fertiliser bin; in a covered pit; on a concrete pad; or in a cutting, covered with plastic sheet and tyres. Most feed should be used reasonably expediently (within 40 - 50 days). The longer you plan to store feed products the better your storage facilities need to be.


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