Thanks everyone
I usually measure the kibble in grams.
Rufus gets 100gr (1 cup) per day and Nena gets 50gr (1/2 cup per day).
I divide the food in 2. (they eat twice a day)
Nena used to eat 60gr a day and I lowered it to 50gr.
Maybe I'll start giving her 40gr now instead of 50gr.
Nena's weight I posted in the beginning of the thread is the ideal weight according to my vet.
Rufus is more active and his weight is good even-though he eats so much.
Nena is my couch-potato
We are still in progress of helping her loose the extra weight. We are getting there, it's not going fast but it's going