I responded on your other post but I'll copy it again here.
Lutalyse. Causes smooth-muscle contractions and will usually clean them out. Three or four shots 12 hours apart (2 days of shots).
Oxytocin. Another one that causes uterine contractions.
ECP. Estrogen. Labeled for, among other things, retained placenta. I believe that's 2cc's. Once. But you can repeat it seven days later.
All prescription drugs.
We usually dose a cow w/retained placenta w/3 shots of Lutalyse; if that doesn't do the trick followed by ECP and then a round of oxytocin every 12 hours, and after that clean them out manually. I know it's not recommended nowdays to clean them manually, but I've seen some really, really, really sick cows that retained the placenta/etc and they have to be cleaned out.
Note- I'm dealing with dairy cows; I've gotten the impression that most beef cows don't get -very- sick due to a retained placenta. Not sure why that would be, but most of the folks on here act like a RP isn't a big deal other than that they tend to take a little longer breeding back. "Hit 'em with some antibiotic if they start looking sick and then they'll be fine." (???)
For instance-
We've got one right now that calved two weeks ago -twins- retained placenta and extremely bad uterine infection, and she's on systemic antibiotics plus we've infused her twice now. Off feed, acts about half dead, etc. She's so full of pus and infection that when we last infused her (Friday), and threaded the straw through the cervix, all that pus started pouring out the other end onto the ground. Yuck. Yes she's bad. Thankfully most don't get that bad.
Good luck with yours and sorry about the calf.
