Five dogs euthanised at Whanganui's Hatrick Raceway prompt calls for closure 12 Jan, 2021 04:30 AM 3 minutes to read Greyhound Racing NZ said that they are on track to report a reduction in greyhound deaths this season. Photo / Bevan Conley Greyhound Racing NZ said that they are on track to report a reduction in greyhound deaths this season. Photo / Bevan Conley Five dogs were euthanised following racing at Whanganui's Hatrick Raceway in a three-week period, prompting calls from an animal rights group to close the track pending an investigation. The Ministry for Primary Industries says it intends to talk to Greyhound Racing NZ (GRNZ) and the track operators to determine if there are any animal welfare issues.