[targonrotts]

i would retest the urine after this bout but using a sterile sample the vet can obtain directly from her for a truer reading.
yes, puppy females can get UTI and vaginitis.
vitamin c and cranberry tablets help acidify urine and keeps it in check. sometimes you might need a special diet for awhile if they continue to find crystal sediments. but it is very important to test a fresh sterile urine collection.
as for the anemia, your vet may suggest a supplement vitamin until better.