black newborn beef calf just born in the straw pen with black beef cow licking it off.

Get Calves Up and Nursing Fast

Don't lose a calf to a slow start. Start Strong® for Calves provides early energy to help calves stand and nurse faster for maximum colostrum protection.

Energy & Immune Support in a Bottle

Start Strong is an oral energy and appetite drench that helps calves get moving and nursing when they need it most. 

  • Helps weak or chilled calves stand and nurse sooner 
  • Supports early colostrum intake during the critical first hours 
  • Delivers fast energy when calves are depleted
  • Supports gut health and immune function with Microfused® Essential Oils and Actifibe® Prebiotic

How to Use Start Strong:

  • Administer 10 ml (1 pump = 5 ml) orally within the first 12 hours after birth
  • Repeat for 1–2 days if calves remain slow, weak or stressed
  • No refrigeration required, keep it ready for every calving

See Start Strong in Action

Every newborn calf faces a critical start. This video show how Start Strong helps more calves get up, nurse and make it through the first hours of life.



Product #2500-250 // Product# 2500-60
Available in 250 ml and 60 ml bottles
25 treatments per 250 ml bottle

Patented Technology Inside Start Strong 

Microfused Essential Oil

Microfused Essential Oils

Ralco pioneered Microfused technology to ensure essential oils remain stable and effective through the digestive tract. This supports gut integrity and performance during early-life stress. 

Actifibe Prebiotic

Actifibe Prebiotic

Unlike traditional approaches that disrupt the gut microflora, Actifibe selectively nourishes and protects beneficial bacteria along the entire digestive tract, supporting immune development and digestive resilience in young calves.

What Producers Are Saying

Get Calves Up and Nursing Fast
"We calve in some seriously cold weather, and Start Strong gets our chilled calves up and nursing so fast. It's a must-have at every birth."
– Bill, Montana

Get Calves Up & Nursing Fast
"I used Start Strong on a weak calf and had it up and sucking within an hour! I've never had one that responsive. I’ll continue to use it and recommend it to others. Well done guys!"
– Nadean, Iowa


Get Calves Up and Nursing Fast  Get Calves Up and Nursing Fast  Get Calves Up and Nursing Fast



Frequently Asked Questions

No. Start Strong helps calves get the energy and appetite they need to consume maximum colostrum. 

It's most effective when given as early as possible, especially to weak, chilled or slow-to-nurse calves. It can be given to every calf though to jumpstart appetite and maximize colostrum intake.

Start Strong can be given to all calves and is most commonly used when calves need extra support at birth.  

No. Start Strong is shelf-stable but we recommend it be stored at room temperature out of direct sunlight and not allowed to freeze.

Typically, yes. The only consideration would be if you’re administering a live agent orally. With those applications, we recommend that you use Start Strong first and then follow with the second product after 1 hour.

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Who is Ralco?

Ralco is a family-owned agricultural health and nutrition company with distribution in over 40 countries. Using nature for inspiration and science for application, Ralco creates effective natural solutions that deliver efficient plant and animal performance through excellent health.