"He was supposed to come on his own... I'm on a knife-edge as it is without them playing on my heartstrings."
He said Hale was like a "different dog", stressed, not eating properly, and fretting.
But after spending the first night on his bed, she appeared to come right.
Mr Broeren is upset the dog had been spayed without his permission, and is considering suing the SPCA.
"It's sad. No animal needs to be neutered. It alters their behaviour."
Wairarapa SCPA chairwoman Marie Johnston said Hale was spayed on veterinarian advice because of a large mammary tumour.
She said the priority was the welfare of the dog.
The medical files would be provided to Mr Broeren.
The foster family arrived with the dog to ensure a safe handover for the animal, she said. "She's a very timid dog. We didn't want her to experience any emotional upheaval ... he sat down with them and if he wasn't comfortable he could have asked them to leave."