No it would not be food poisoning.

Althought the mix of chicken beef and lamb would be nauseting in itself! lol Are you having an reaction to the smell of cookng meat, fat, oils? Many women develop a sensitivity or down right dislike for cooked meat and fats during pregnancy, usually the smell is enough to make them wretch, with me though it was actually eating it.

I would think though that you are very dehydrated, make sure you are drinking plenty of water - about a litre more than you should be normally