Hi my girl was mated three weeks ago and i think she is in whelp .However she is off her food and i have been finding patches of froffy yellow sick in the kitchen when i come down in the morning. Is this normal and any advice. As to her food I normally feed her arden grange but today have cooked steak mince and veg which she did eat but very slowly i would rather her had a complete food for all its vitamins and minerals.Any help would be appreciated