kcal intake while on AS and cutting

i have been doin some searchin on here and have read some great post and gotten help on what should eat and not eat etc. i am startin a fina/prop/winny cycle and i wanna know how many cals i should be consuming in order to keep muscle and lose fat. i have been doin cardio which is a slow-med walk(3.8 speed) for 45mins 6 days a week and im losin my strenghth! ( not on cycle yet) any suggestions would be great!!

bump

Whats your stats? Weight, height, age, etc...

5'10 195 24 Y/O BOUT 17% Bf trying to shed some extra fat b4 the cycle and this will be my 4the cycel
1-6 75mg fina eod
1-8 prop 100 mg eod
2-8 winny 50 mg eod
nolva 10 mg all the way thru
500 mg b6
pct three days after last shot