It's ok
Goose also made a great pet - I was mum. Used to bring her in to watch tv, go for walks, take her to our pond to go swimming. Sometimes went in the car! she was totally chilled out (this lessened as she grew up, then after the cockerel/gander episode she became a proper goose and no longer wanted cuddles.
Although one time dog bit her and it was like she knew I would help her. Came over to me, in the house, had a bath upstairs and then sat on my lap while used tweezers to pull feathers and dirt out of the wound, drive over to my neighbour the vet and back, then turned back into a proper goose again. They're cool animals. Have a much greater IQ than chickens! Best of luck with them
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Ps. It's probably only a few days while the goslings are new and finding they're feet at the chicks go for them - like if there's a late hatch chick; they'll try to kill one that's slower or sleepier than them. Once goose is up and going they'll be better, but I think introductions are best made as early as possible - or with Perspex or cage between them so they can see each other but do no damage.