Long-Lived Sows Mean Long Term Profit

Published on Feb. 7, 2019

Long-Lived Sows Mean Long Term Profit

If you don’t think sow longevity is crucial for the bottom line, imagine your life without it: putting time, money and energy into sows that barely or rarely pay for themselves before you have to start the process all over again. Needless to say, it’s not a pretty picture. The pork industry is full of complexities, but the simple truth is that the longer sows stay productive, the greater your return on investment. While it’s an easy concept to grasp, making it happen is no small feat.

Though numbers don’t always tell the whole story, they do help illustrate the power of longevity. For example, the rule of thumb in the industry is that a sow must wean three litters before she pays for herself in the herd.

R&D abe huisman.jpg

Because Hypor’s selection program for both parental lines of the Hypor Libra* - the Hypor Large White and Hypor Landrace - includes the selection for stayability, the sow will often remain productive through the sixth or seventh parity

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Dr. Abe Huisman
Director of R & D, Hypor


Hypor Geert Rutten

Lameness is one of the most common reasons for culling

Hypor Geert Rutten
Geert Rutten
Senior Technical Expert – Asia, Hypor

“Thanks to the exceptional structure of the Hypor Libra*’s feet and legs, producers see higher retention and lower replacement rates.”

Each breeding animal is assessed for feet and legs, and these phenotypes are used in the genetic evaluation to identify those families that are transferring good feet and leg structure to their offspring. These assessments are also used to cull individuals, so animals with bad feet and leg scores will not stay in the breeding herd.

Reproductive efficiency

This ties back to the ability of the Hypor Libra* to remain in top condition so she can produce plenty of milk throughout lactation, wean in good body condition, and come back into heat well

Nate Merchen
Sales Representative, Hypor USA

Traits such as farrowing rate, wean to service interval and non-return rate (whether sows get pregnant with the first insemination) are all included in the maternal line selection index. As a result, many Hypor Libra* customers are seeing a farrowing rate of greater than 90 per cent and reaping the financial rewards.

Ease of farrowing / mothering ability

If producers need to assist substantially with farrowing, or have sows that tend to savage or crush many piglets, the consequence will be culled sows and lost revenue. Hypor avoids this through selective breeding of the Hypor Libra* for calm and self-sufficient sows.

“In general, the aim for Hypor is to breed a sow that can take care of herself,” says Huisman. “A sow is the cheapest employee on the farm. If she takes care of the farrowing process and the piglets afterwards, a producer does not need a lot of labor to do this. Within the selection program, we are recording any farrowing assistance, savaging, and crushing; therefore, if a sow is showing these characteristics, that animal, and its offspring, will not be included in the breeding program.”

Time and again, customers report that the Hypor Libra* is extremely docile and easy to work with. That’s good news, because a low-stress sow means less stress on your business.


With industry sow death losses climbing in recent years, mortality is a hot topic, and one that figures prominently in Hypor’s selection strategy.

“In the Americas, there’s currently a huge push for open pen gestation, so farms need animals that will hold up in this environment,” says Merchen. “The Hypor Libra* is well equipped to do so. It goes back to the selection criteria at our nucleus farms and making sure we are selecting for quality and structure, not just how prolific they are.”

Open pen gestation is already commonplace in Europe, where the Hypor Libra* has proven its performance in an open pen environment during gestation.

Recent benchmark data shows Hypor Libra* death loss at 2.5 – 3 per cent lower than the industry average. When you consider that the average cost of bringing replacement gilts into the herd is $250 - $300 USD (€ 220 – 260), lower sow mortality is a huge gain for producers.

Quality Pigs

“Our focus is on producing quality pigs as efficiently as possible,” says Huisman. “The right birth weight gives a finishing pig a good head start in life. Hypor’s aim is thus to reduce the variation in birth weight, decrease the number of small piglets (below 800 gm or 1.76 lb), increase the number of piglets and maintain or increase the average birth weight of the piglets.”

Ultimately, the sow should be able to take care of her own piglets, which requires that she have enough teats and good colostrum and milk production. At the end of the day, the producer should be the one deciding when the sow is leaving the herd, meaning the sow should stay in ideal condition, maintain excellent udder quality, and have a good structure (feet and legs).

Total System Profitability

In everything they do, Total System Profitability (TSP) is Hypor’s guiding principle. TSP implies a more holistic or balanced approach, where each link in the value chain should be able to make a profit using Hypor genetics, and it all begins with the producer.

“The traits we target provide easier management, lower production costs and greater TSP for Hypor customers,” Huisman.

Not only is a long-lived sow a huge driver of profits, but given all the benefits involved, it sure beats the alternative.

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