We are your source for comprehensive sire and donor services.

With a lifetime of industry experience, 605 Sires + Donors is committed to earning your business and trust.

Contact Us

Monday-Friday: 8:00 a.m.–5:00 p.m.

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27666 443rd Avenue, Marion, SD 57043

Our Story

605 Sires + Donors is located on the grasslands in the southeastern corner of South Dakota. Our state-of-the-art facility was built in 2017 from the ground up and can house 110 bulls and approximately 100 donors. While the scope of 605 has grown rapidly, our commitment to quality and service with a personal touch will always remain unchanged.

Proud to Offer On-Site Quality Sexed Semen with

What we do

At 605 Sires + Donors, we offer a wide variety of services for both sires and donors. Our focus has always been on quality, quantity and innovation. We want to partner with cattle producers looking to impact the cattle industry in a big way. With the technology and expertise available at our facility, we’re ready to raise the bar to the next level.

Sire Services

Collection and Freezing
Semen Storage and Shipping
Full CSS Services for Exports
Sexed Semen

Donor Services

IVF Collection
Embryo Transfer
Reverse Sort

On-Site Resources

Sullivan Supply
Umbarger Show Feed
AI Supplies
Herd Sire/Donor Photography