Histological Analysis of Gonad Maturity of Female Tench (Tinca Tinca L.) From The Žabeni Fish Ponds (Macedonia)
Histološka procena zrelosti gonada ženki linjaka (Tinca Tinca L.) iz ribnjaka Žabeni (Republika Makedonija)
View/ Open
Author
Lujic, Jelena
Marinovic, Zoran
Stojanovski, Stojmir
Velkova-Jordanoska, Lidija
Markovic, Goran
Kostic, Desanka
Keywords
tenchreproduction
reproduction cycle
vitellogenesis
linjak
reprodukcija
reproduktivni ciklus
vitelogeneza
Metadata
Show full item recordAbstract
The aim of this study was to assess the status of the female tench gonads and presence
and morphological characteristics of oocytes during the spawning period. Sampling was
conducted on the Žabeni fish ponds during April and July 2013. Different types of follicles
with varying dimensions were observed. During April, all types of follicles except the E type
were observed. This meant that the individuals were ready for the spawning period. During
July, the individuals have already released one batch of eggs, and were ready for the release
of another. Results of this research implicate the significance of histological analysis of
gonads considering it enables a detailed obserevation of the gonadal sructure and
characteristics of oocytes. Cilj rada je bio da se na osnovu histološke analize gonada ženki linjaka utvrdi
njihovo stanje i zastupljenost različitih tipova i morfoloških osobina oocita u toku perioda
mresta. Uzorkovanje je vršeno na ribnjaku Žabeni (Republika Makedonija) tokom aprila i
jula meseca 2013. godine. Pregledom histoloških preparata utvrđeno je postojanje
različitih tipova folikula koji su varirali u veličini i površini. U toku aprila nisu uočeni
folikuli E tipa, ali je na osnovu zastupljenosti ostalih tipova, bilo jasno da su jedinke
spremne za sezonu mresta. Pregledom uzoraka iz jula utvrđeno da su jedinke prethodno
oslobodile najmanje jednu porciju jaja (ikre), kao i da sledi bar još jedna porcija. Dobijeni
rezultati ukazuju na značaj histološkog pregleda gonada s obzirom da pruža mogućnost
detaljnijeg uvida u strukturu gonada kao i osobine pojedinačnih oocita.