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A Smart Decision for Better Reproduction

Published: 6/5/2025

A Smart Decision for Better Reproduction

At pregnancy checks, 85% of cows are now confirmed pregnant – we hardly use hormonal synchronization anymore.

Denis Hrga

Hrga Farm, Juršinci (Slovenia)

At the Hrga family farm in Juršinci, they raise around 200 head of cattle, including 80 black-and-white dairy cows. The farm is run by Denis Hrga, who has been in charge of reproduction for over 20 years and has been performing inseminations himself for the last 12 years. They produce approximately 800,000 liters of milk per year. In 2024, they decided to implement the MooHero system, which has significantly changed their approach to reproduction and animal health monitoring.

Reproduction Without Missed Heats

Before MooHero, one of the biggest challenges was detecting heat, especially in high-producing cows. These cows were often silent or in heat at night when no one was in the barn. For years, the farm relied on hormone therapies following an American protocol, administered twice a month in cooperation with a veterinarian. These treatments cost about €300–400 per month.

Now, the system detects all heats – even those that would otherwise go unnoticed. Denis Hrga explains:

“I was surprised how many heats happen at night. The system detects them accurately and on time.”

Insemination is now done based on the timing recommended by the app, and the results are excellent – at pregnancy checks, over 85% of cows are confirmed pregnant.

Heifers Without Hormones Too

The MooHero system is used on all dairy cows (80 collars) and heifers (15 collars). In the past, heifers were synchronized hormonally, but that’s now mostly unnecessary. The system helps them precisely identify the ideal time for insemination and achieve high success rates even when using sexed semen.

Hormonal treatments have become the exception, used only when the system indicates no heat has occurred – typically a sign of a reproductive issue.

Timely Detection of Health Problems

They also use MooHero for health monitoring. If reduced rumination or activity is detected, they examine the animal immediately. If the condition persists for 2–3 days, it’s almost always the start of an illness.

Hrga shares a concrete example:

“Seven days after calving, MooHero detected a sharp drop in rumination. We called the vet and discovered a displacement in time. The cow didn’t suffer, and there was no significant drop in milk yield.”

Relief in Everyday Work

Thanks to the MooHero system, the Hrga farm has significantly reduced hormone therapy and vet visit costs. At the same time, they’ve improved insemination success and gained better oversight of their herd’s health.

“Since we’ve had the system, everything’s changed – no more missed heats, more successful pregnancies, and better control over animal health,” Hrga adds.

MooHero has become an essential part of their daily operations – a quiet yet reliable assistant that enables better reproduction, early intervention, and more peace of mind in daily work.