Any ideas what this is?

[Tania Lee]

Many people use Baytril (enrofloxacin) to treat reproductive problems, even though it is banned for chickens. Vets in other countries use it, avets her use it for other animals, such as dogs. It is much better than something like amoxicillin since it treats E.coli, mycoplasma, and other bacteria. Here is a link where to buy the 10% enrofloxacin 100 ml, and dosage is 0.05 ml per pound twice daily for 5-6 days:
https://www.jedds.com/shop/misc/

Thank you for the information.