You could try contacting this guy.
From what I understand - which was very little - he is the director vet over there.
Direktor: Dr Zoran Mićović
a adresa je zaštićena od robota. Potreban vam je Java-skripta da bi ste je videli.
Kontakt osoba: Snežana Eremić
SIV3, 1. Sprat, soba 102
E-mail: firstname.lastname@example.org http://www.minpolj.sr.gov.yu/index.p...d=40&Itemid=71
If not, since there is no SPCA etc, then the department in charge, because their has to be one, will be the Serbia Agricultural Ministry.
That link above is to it, but it does me no good, really.
Contact them and they should be able to help you out.