Partners Group, the global private markets investment manager, has agreed to invest in Blue River PetCare, a US-based operator of veterinary hospitals for companion animals. Financial terms were not disclosed. "Since its inception, Blue River has operated as a founder-run business, aiming to preserve the legacy that our veterinarians have worked so hard to establish in their communities, and we are extremely proud of the unique culture we have built and of the great care that our hospitals provide to our patients and customers. We are very excited to be welcoming Partners Group as a value-added partner to our business and look forward to building on our reputation as an employer of choice for leading veterinarians across the US." Dan Blumenthal, Blue River CEO.