I People used to buy the meat in advanced and it really did not matter....
85 percent of Pakistan's population is rural, who cannot afford to eat meat on daily basis, then everybody cannot afford to buy in advace and everybody does not have fridge. So this nagha serves its purpose.
If I do not eat meat for two day toh mera eman kamzoor honay lagta hay. Eman key mazbooti kay ley-a roz ghost khana zarori hay.