R.I.P :(

As some of you may know, my cats have been giving birth to a number of litters. The youngest litter of 7 kittens are not doing too well. The mum couldn't supply them with milk and rejected them. We then gave them to one of the other mums but they are still weak. Instead of looking their age (4 weeks) they look about 1 week and the other litter of kittens which are close in age are double the size. Unfortunately two of them past away this morning and another one a few minutes ago. Before it died, I tried warming it up, getting one of the mums to feed it, but it just wasn't suckling as it was too weak. It was heart breaking knowing I couldn't do anything to stop the slow death of the little creature. There are now four left and I don't think a few of them will make it. Sorry for the depressing post but I just needed to write this down. I know to some people this isn't something massive to cry over and get upset about but I love animals so much and look at them as other human beings.
R.I.P little ones x