Spawning Season
Concentration of heavy and toxic metals Cu, Zn, Cd, Pb and Hg in liver and muscles of Rutilus frisii kutum during spawning season with respect to growth parameters
... Based on obtained results it seems Cu and Zn contents (essential elements) in livers of kutum are influenced by reproduction conditions of the fish therefore concentration of these metals in liver during spawning ...
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Oxidative Stress and Antioxidant Enzyme Defence System in Seminal Plasma of Common Carp (Cyprinus carpio) and Rainbow Trout (Oncorhynchus mykiss) during Spawning Season
... GPx catalyzes the reduction of organic and in- organic hydroperoxides by acting as an electron donor. The GPx family consists of several proteins classified according to their sequence, substrate specificity, and ...
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Spawning Season, First Maturity Length and Age of 21 Fish Species from the Central Aegean Sea, Turkey
... of spawning season, and length and age at first maturity were determined for 21 fish species and the findings obtained were compared to the current fishing regulations in order to make ...
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Growth, mortality and spawning season of the spangled emperor (Lethrinus nebulosus Forsskal, 1775) in coastal waters of Hormozgan Province in the Persian Gulf and Oman Sea
... and spawning season of the Spangeld emperor (Lethrinus nebulosus) were studied in coastal waters of Hormouzgan ...The spawning season peak of ...
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Fatty acids Compositions in Male’s Gonads of the Red Sea Fish Rhabdosargus sarba During the Spawning Season
... Abstract: A total of 27 fatty acids (FAs) were identified in testis throughout the spawning season of male R. sarba. In male gonad saturated fatty acids (SFA) were the main fatty acid group in total lipid ...
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Effects of Aroclor 1254 on LH and 17,20β P secretion in female Prussian carp (Carassius gibelio Bloch) in the spawning season
... the spawning season might impair reproduction in female Carassius gibelio by affecting the endocrine system by altering the secretion of LH and 17,20 b ...
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Evaluation of semen quality of endangered Caspian brown trout (Salmo trutta caspius) in different times of spermiation during the spawning season
... non-salmonid fish such as Eurasian perch, Perca fluviatilis (glucose: 0.063 ± 0.019mM/l, triglycer- ides: 0.072 ± 0.1mM/l) (Lahnesteiner et al., 1995), burbot, Lota lota (glucose: 0.00762 ± 0.00764mM/l, triglycerides: ...
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Ovarian Cycle and Spawning Season of Ophiocephalus punctatus, Inhabiting Chapra Waters, Bihar
... cycle, spawning time and spatial behaviour of this fish (Sunderraj, 1916; Khan, 1924; Mukherjee, 1945; Swarup, 1954; Belsare, 1962), a study was undertaken to find Out the exact pattern of ovarian cycle and ...
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Gonadal maturity assessment of butter catfish (Ompok bimaculatus) from major rivers and tributaries of India during spawning season
... was studied for capture management and potential of stock regarding the number of eggs laid by the female during the spawning season. During the spawning phase (i.e. late June to August) protein ...
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Comparison of Reproduction Characteristics and Broodstock Mortality in Farmed and Wild Eurasian Perch (Perca fluviatilis L.) Females During Spawning Season Under Controlled Conditions
... The four samples with the exact number of eggs of each spawning female recorded were used to assess the fertilization and hatching rate of that female. Egg samples were incubated in two tanks (2600 x 400 x 350 mm) ...
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SPAWNING PATTERN OF INDIAN OIL SARDINE, Sardinella longiceps Valenciennes, 1847 OF OMAN SEA, MUSCAT, SULTANATE OF OMAN
... A total of 830 fish were obtained for repro- ductive study. The length at first maturity of fe- male (L50%) of S. longiceps is determined as 182 mm (TL) (Figure 2). In addition, the GSI of fe- male was calculated on a ...
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Investigations on larvae of commercial fish from Hurghada, Red Sea with notes on the spawning seasons and grounds of some species
... of spawning seasons by larval fishes coincides with that determined by the reproductive ...of spawning from June to August as indicated by the gonado-somatic index analysis and abundance of fish ...the ...
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On the Growth and Reproductive Biology of asp, Aspius vorax, Population from the Middle Reaches of Euphrates River
... the spawning season, a sharp decline after spawning, especially in females, and a second increase after spawning (Le Cren, 1951; Froese, ...
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Sperm in hot water: direct and indirect thermal challenges interact to impact on brown trout sperm quality
... Acclimation temperature had no effect on sperm swimming speed or the proportion of motile cells on our later sampling date, consistent with a delay in maturation of warm-acclimated males, as previously demonstrated for ...
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General Reproductive Biology of Bunnei (Barbus sharpeyi Gunther, 1874) in Al Huwaizah Marsh, Basra-Iraq
... The characteristics of the maturity stages were similar to that described by Jasim (1988), but he found spent stage during late April, which has not coincided with our findings. This could be related to the geographical ...
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Demographic and reproductive characteristics of the squaretail coralgrouper (Plectropomus areolatus) in Solomon Islands
... multiple spawning events both within and between the last lunar quarter phase of a single spawning ...from spawning aggregations at the same site in consecutive months (Zeller 1998, Rhodes & ...
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Proteolytic and anti proteolytic activity in the seminal plasma of Eurasian perch (Perca fluviatilis L ) during the spawning period
... the spawning season in this species could result from anti-proteolytic activity which increased during the same ...reproduction season in perch suggests the existence of the protease-pro- tease ...
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Maturity, spawning and feeding intensity of cobia Rachycentron canadum (Linnaeus, 1766) in northwest coast of India
... protracted spawning behavior of ...peak spawning activity during July-August and November- January. Peak spawning season of cobia recorded by the various authors from different geographical ...
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Reproduction of big eye scad selar crumenophthalmus (teleostei: carangidae) in the mexican pacific coast
... massive spawning periods were observed; the first from February to April and the second from August to ...shows spawning periods for ...the spawning season of this species, as the case of the ...
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The influence of stunted body size on the reproductive ecology of bluegill Lepomis macrochiru
... The spawning season of bluegill in the stunted population started later than in both non-stunted ...for spawning than their larger counterparts (Justus & Fox ...of spawning in the stunted ...
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