Sentence:  If she <WSD>kindled</WSD> and lost just a few kits and is not bony over her back and hind end, you can rebreed immediately. If she <WSD>kindled</WSD> a large litter (more than, say, eight kits), you may wish to wait a week or two before rebreeding so that she can  ... 
Meaning of the word marked with <WSD> tags:  To (bring forth) young; to (give birth).