MSD Animal Health New Zealand is an animal health company at 33 Whakatiki Street in Trentham, Upper Hutt, and its New Zealand roots go back to 1946, when it was started as Trentham Veterinary Laboratories. Production of clostridial vaccines began at the Whakatiki Street site in 1951. Its Upper Hutt plant makes bacterial vaccines for sheep, cattle, deer and pigs, and most of its output is exported to Australia, Europe, North America and Africa. The company supplies veterinarians, farmers and pet owners with products for preventing and treating disease in farm and companion animals. Its brands include Allflex identification and the SenseHub monitoring and automation range. The Trentham site is a manufacturing and research site, not a clinic. Contact is by phone on 0800 255 353 (option 6), or +64 6 356 7199.