Mucus is a viscous material produced by the mucous layer of your windpipe. Its job is to lubricate your nose and throat. But, infection or some other kind of disorder causes mucus to thicken up and start accumulating in your throat.
If you do wish to give your cats milk, then you can buy lactose-free cat milk (lactose is the sugar found in milk) from your pet food store, vets or supermarket, but itâs not essential. Indeed, some cats will not drink milk at all. Read our advice about giving your cat soya milk.
1 Kitten milk replacement milk comes in a tub or drum and is a dry powder or liquid. You use it in much the same way you use infant formula, in that you follow the directions on the packaging which guides you as to how many scoops to use to how much water.  Be aware that milk sold in cartons as cat milk is NOT suitable.