To be fair whiskas is not a good cat food has very low meat content.

I have a 15 week old kitten and she has 2-3 small tins 70g each Applaws kitten and almo nature available online all over 60% meat content.

She also has bit of our raw mine and chicken wings!

Prehaps she is not satisfied with the food? Whiskas I belive is only 4% meat, and I dont think you are feeding anywhere near enough.

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Jemahan Tinkerbell's Magic