Friday, 29 August 2025 10:55

Meeting the need for key minerals

Written by  Staff Reporters
InjectaMin and InjectaMax support stock through periods of high demand such as upcoming weaning and mating. InjectaMin and InjectaMax support stock through periods of high demand such as upcoming weaning and mating.

For upcoming weaning and mating, there will be a need for key minerals in calves and cows.

Containing zinc, manganese, copper and selenium InjectaMin and Injecta- Max, which also includes b12, are designed to support stock through periods of high demand such as upcoming weaning and mating.

For calves to overcome the stress related with weaning and minimise a weaning growth check, a dose of InjectaMin or InjectaMax can be given prior to or at weaning and can be continued to be given up to every 3 months to support immunity and encourage optimal growth.

The manufacturer says heifers that are well-grown deliver better reproductive outcomes, greater milking performance, and last longer in the herd. Hitting DairyNZ target minimum weights of 30% at 6 months of age, 60% at 15 months and 90% at 22 months is essential to growing productive replacements.

As cows recover from calving, enter peak lactation and head into mating, their requirements for essential minerals also increases. The company says using InjectaMin or InjectaMax prior to PSM supports conception, early pregnancy and cow immunity throughout this period of high demand.

InjectaMin and InjectaMax are given as an injection under the skin at a dose rate of 1mL per 50kg for cattle up to one year of age, 1mL per 75 kg from 1year – 2 years and 1mL per 100kg for cattle over 2 years old. As they contain selenium and copper, concurrent use with other copper and selenium products should be on veterinary advice only.

Just like us, livestock face increased stress during challenging periods. This places extra pressure on their immune systems and increases their need for key minerals.


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The company says supplementing with InjectaMin or InjectaMax at or ahead of these high-demand periods, you can help ensure cattle stay healthy and continue to grow and produce to their full potential.

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