They're growth lines and perfectly normalHi guys need a little help my horse field tortoise is just about 5 months and has gained these white marks I’m very worried. Please help
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They're growth lines and perfectly normal
You may seem some paler flecks on the scutes too, they too are normal.
@SmithyBlade have you read the TFO care sheets for Russians?
They're written by species experts working hard to correct the outdated information widely available on the internet and from pet stores and, sadly, from some breeders and vets too.
Beginner Mistakes
http://www.tortoiseforum.org/threads/beginner-mistakes.45180/
Young Russian Tortoise Care
http://www.tortoiseforum.org/thread...or-other-herbivorous-tortoise-species.107734/
Russian Tortoise Care
http://www.tortoiseforum.org/threads/russian-tortoise-care-sheet.80698/
We’ll be happy to look over photos of your enclosure and lighting to see if there are any improvements we’d recommend
He looks gorgeous. In remarkably good condition for a Russian. Their digging, climbing and general barging about leads most of them to end up with used looking shells