STtalks #383 - Journey of Genetics Part 6: The Logistics of Distribution with Jim Chapman
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In this episode of ST Talks, host Laura Demme continues the 'Journey of Genetics' series by diving into the complex logistics of semen distribution with Jim Chapman, ST Genetics' Distribution Manager. Jim walks listeners through the entire post-quality-control journey of a semen straw, from warehouse storage in liquid nitrogen tanks at -320°F to the final shipment via vapor shippers for domestic use and specialized liquid nitrogen tanks for international delivery. He highlights key challenges such as weather disruptions at major shipping hubs, customs delays, and global geopolitical issues affecting transit times. The episode emphasizes the critical role of technology in inventory tracking, traceability by bull and collection code, and real-time carrier updates. Jim also discusses innovations like quick-charge tanks that allow rapid turnaround, and underscores the importance of the distribution team’s dedication to ensuring breeders receive viable, high-quality product on time. The conversation closes with a reflection on the vital role of distributors and reps as frontline communicators between the company and farmers. Key takeaways include the necessity of temperature integrity throughout transit, the strategic use of different shipping tanks based on destination, the transformative impact of digital tracking and traceability, the importance of monitor ampules to verify cold chain integrity, and the value of a dedicated distribution team whose success is tied directly to the breeder’s success. The episode sets the stage for the series finale, which will explore how genetics ultimately impact herd performance on the farm.
Semen is stored at -320°F in liquid nitrogen tanks and shipped using vapor shippers (up to 21 days) or liquid nitrogen tanks (up to 100 days) depending on destination.
Traceability is now managed by bull and collection code, enabling instant recall and precise inventory tracking—unlike older pooling methods.
Monitor ampules with STG logos are used to verify cold chain integrity; if the liquid inside melts, the shipment may have been compromised.
Quick-charge tanks allow two-hour recharging, enabling same-day turnaround and improving responsiveness during order surges.
Weather disruptions at major hubs (e.g., Louisville, Memphis) and international delays (customs, geopolitical events) are major logistical challenges.
…and 3 more takeaways available in PodZeus
Introduction to Distribution Logistics
Laura Demme welcomes listeners back to ST Talks and introduces Jim Chapman, Distribution Manager at ST Genetics, to discuss the final leg of the genetics journey: distribution. The episode sets the stage for a deep dive into how semen straws are stored, tracked, and shipped globally.
Storage and Initial Handling
Jim explains the post-quality control process: straws are checked for defects, counted, and stored in large liquid nitrogen tanks at -320°F. The warehouse inventory is meticulously recorded, and straws are moved to nitrogen work tanks before shipping.
Domestic vs. International Shipping Challenges
“When you get a large storm going across the country, it's affecting everybody. But what we've seen is places like Louisville and Memphis where UPS and FedEx's hubs are, they may have thunderstorms in the area, okay? And it disrupts their service.”
Inventory Management and Traceability
“If anything like that arises now, in a matter of minutes, we can drill it down and say, okay, customer A had these 20 doses and the rest went here or whatever that mixture is.”
Final Safeguards and the Human Element
“My staff that I work with every day here is dedicated and they really know that the breeder's success is tied directly to our success.”
“If the contents are liquid, that means that shipment got warmer than negative 195 Fahrenheit. If it gets warmer than that, you shouldn't be using it because did receive this tank and if you pull the cork off and you see smoke what temperature is smoke right we don't know it we just know it's cold so let's say they didn't check that monitor ampule and they poured liquid nitrogen on there and the inside temperature let's say was negative 150 fahrenheit that would create a shock to the straws and the semen and you could end up killing the semen”
“If anything like that arises now, in a matter of minutes, we can drill it down and say, okay, customer A had these 20 doses and the rest went here or whatever that mixture is.”
“My staff that I work with every day here is dedicated and they really know that the breeder's success is tied directly to our success.”
Host
Guest
Jim Chapman
person
ST Genetics
organization
Laura Demme
person
Liquid Nitrogen
other
UPS
organization
Monitor Ampule
product
FedEx
organization
Captain
other
Middle East
place
Fond du Lac
place
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