HEALTH AND GENETIC STATUS OF THE EUROPEAN WILD BOAR IN CROATIA

Abstract

Iznesenim radom po prvi je put obavljeno sveobuhvatno istra`ivanje zdravstvenog i genetičkog statusa divljih svinja koje je obuhvatilo područje 7 županija u Republici Hrvatskoj. Sveukupno je pretražen materijal od 745 životinja, od čega je najveći broj svinja odstrijeljenih u lovu 495 komada, zatim uzoraka krvi prikupljenih od živih životinja 264 komada te lešina svinja nađenih u lovištu 31 komad. Odstrijeljene svinje su razvrstane po dobi, spolu i tjelesnoj masi, a lešine su obra|ene holoptićkom i metoptićkom patoanatomskom pretragom. Materijal prikupljen tijekom postmortalne pretrage, ali i krvni serum dobiven intravitalno, podvrgnuti su laboratorijskim pretragama. Od ukupnog broja pregledanih ženskih životinja 72,8% bilo je gravidno. Pozitivni nalaz na svinjsku kugu pretragom slezena dalo je 4,8% pretraženih životinja, dok je serološkom pretragom na protutijela pozitivno reagiralo 39,3% seruma. Pretragama seruma na parvovirusnu infekciju svinja, PRRS, brucelozu i leptospirozu pozitivan titar dalo je 38%, 10,8%, 14% odnosno 30,6% pretraženih seruma. Od pretraženih limfnih čvorova na mikroorganizme iz skupine mikobakterija, 10,6% kulturelno je dalo pozitivan nalaz. Parazitološkim pretragama ukupno je determinirano 12 vrsta iz koljena nematoda, 1 iz akantocefala, 3 iz razreda trematoda, 2 iz razreda cestoda, 3 vrste iz skupine protozoa, 1 iz skupine uši, 2 iz skupine krpelja i jedna vrsta iz skupine šugaraca. Procjenom fenotipa svih pretraženih životinja, odstrijeljenih, uginulih i onih ulovljenih u lovke, utvr|ena je znatna promjena fenotipskog izra`aja i to u smislu pojave nepoželjnih obilježja domaće svinje. Svi dobiveni rezultati raspravljeni su te su predložene neke nove smjernice.The research in the presented work was conducted in the hunting ground areas involving 7 counties of the Republic of Croatia. In total, the number of 745 animals was investigated, the majority being represented by material of shot animals during the hunt – 495, followed by samples collected from live animals – 264, and cadavers found in hunting grounds – 31. Animals harvested during the hunt were classified according to age and sex, and their body weight was measured. All the carcasses were studied by pathoanatomical means. The material collected during the postmortem examination as well as the sera obtained intra-vitam were submitted to consecutive laboratory tests. Of the entire number of examined female animals 72,8% were found to be pregnant. A positive result for hog cholera was presented in 4,8% of examined spleen specimens while on serological examination 39,3% were found to have titers of antibodies. In serum reaction for morbus Aujeszky 30,4% was presented with positive titer while for parvovirus infection, PRRS, brucellosis and leptospirosis positive titer was found in 38%, 10,8%, 14%, and 30,6% of examined sera, respectively. On lymph node cultural examination for mycobacterium microorganisms 10,6% was presented as positive. By parasitological means a total of 12 species of phylum nematode, 1 species of phylum acanthocephala, 3 from the class of trematode, 2 from the class of cestode, 3 species from the group of protozoa, 1 species of lice, 2 species of ticks and one species of mites were determined. All of the obtained results are discussed and the need of further investigation is proposed

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