Fasting on carnivore

Does fasting stall weight loss?

I’ve been doing one meal a day for the last 30days (for personal reasons). I spice my meat and take a cup of yoghurt daily. No fruits or veggies, just mostly meat,eggs,cheese and occasionally fish and shrimps. Got on the scale today and I’ve only lost 3.5kg. I was kinda hoping for 5kg but…