Pet owners left puzzled as their dogs turn bright green after swimming in reservoir

Pet owners have been left shocked and puzzled after their beloved dogs turned bright green from swimming in a reservoir.

The pooches' coats became discoloured after they enjoyed one of their regular paddles in the Sutton Reservoir in Macclesfield on Friday morning (September 15).

Tamsin Gray and her friend were out walking four dogs - three of which had gone into the water for a swim - when they noticed that their fur had suddenly turned green, CheshireLive reports.

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The 53-year-old from Macclesfield said the water was clear and the dogs, including her cream-coloured Cavapoochon Bailey, have not been ill as a result, although it took a shampoo wash to remove whatever was on their fur.

They usually take their dogs to the reservoir a couple of times a week and have never had an issue before. "Blue-green algae was my first fear," Tamsin said.

"But we didn't see any algae - the water was clear. We're very aware of blue-green algae and its dangers to dogs. Thankfully they haven't had any ill effects, usually they would become poorly quickly.

"Mine is a cream coloured pooch so you could see straight away. It was like a fluorescent green. We immediately took them put of the water and tried to clean them off further down the reservoir but it wasn't working. It only came off with shampoo.

"The reservoir was pretty empty down by the canal so whether something had been brought up I don't know. The Canal and River Trust told me they had someone else call and they were sending people down to test the water and see