Rubber bands used on dog in DIY castration attempt in Christchurch 5 Mar, 2021 12:54 AM 2 minutes to read Dave the dog was found in a Christchurch park with rubber bands wound tightly around his testicles. Photo / Supplied Dave the dog was found in a Christchurch park with rubber bands wound tightly around his testicles. Photo / Supplied NZ Herald The SPCA is appealing to the public for information after a dog was found in Christchurch with multiple rubber bands around his testicles. The dog was found in Bishopdale Park on Wednesday and it appears to be an attempt at DIY castration. An SPCA spokesperson said as a result, he had a swollen, bleeding, smelly necrotic mass.