Results 31 to 40 of about 4,371,888 (200)
Age, reproduction, and fecundity of a population of Cobitis sp. (Actinopterygii: Cypriniformes: Cobitidae) from the Babolrud River in the southern Caspian Sea basin [PDF]
Acta Ichthyologica et Piscatoria, 2011 Background. Loach fishes, Cobitis sp., are found in the majority of streams in the southern Caspian Sea basin, but reproductive parameters of them are barely known.
H. Mousavi Sabet +7 more
doaj +3 more sources
A Review of the Research on Reproductive Biology of Turkish Marine Fishes
Çanakkale Onsekiz Mart University Journal of Marine Sciences and Fisheries, 2021 The teleost fish stocks distributed in Turkish seas are threatened due to overfishing, pollution, global warming and increasing food competition. There is a need to provide scientific knowledge on reproductive traits of commercial species in order to ...
İsmail Burak DABAN
doaj +1 more source
Journal of Physics: Conference Series, 2021 Abstract The side effect of Diabetes mellitus is the decrease in the reproductive function which could be observed by the Gonadosomatic Index. Gonadosomatic index is a value that expresses the proportion of testis weight to body weight. Pineapple peel vinegar is a diabetic therapy that has been proved in decreasing the blood sugar levels
A J Sitasiwi +6 more
openaire +1 more source
Aquaculture Research, 2019 The seasonal changes in hepatosomatic index (HSI), gonadosomatic index (GSI) and plasma estradiol‐17β (E₂) level in female rabbit fish (Siganus guttatus) were investigated.
H. Q. Pham, A. Nguyen
semanticscholar +1 more source
Pakistan Journal of Biological Sciences, 2019 BACKGROUND AND OBJECTIVE Reproductive cycle of snakehead fish (Channa striata) is necessary to inform management plans of the natural fish. This work aimed to study the gonadosomatic index (GSI), oocyte development and fecundity of C.
D. Boonkusol +2 more
semanticscholar +1 more source
An indirect approach to estimate spawning fraction as applied to Sardinops sagax from northern Chile
Scientia Marina, 2001 The spawning fraction of fishes with multiple spawnings and indeterminate fecundity is normally estimated through biologically intensive and time-consuming histological procedures, such as the one based on the proportion of females with post-ovulatory ...
Gabriel Claramunt, Rubén Roa
doaj +1 more source
Latin American Journal of Aquatic Research, 2019 96 Normal 0 21 false false false EN-US JA X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:
Angel Lazaro-Velasco +5 more
semanticscholar +1 more source
Egyptian Journal of Aquatic Biology and FisheriesSamples of Metapenaeus affinis were collected from the Iraqi coastal waters between January 1 and December 1, 2021, to investigate the development of sexual maturity. Seasonal variations in gonadal function were observed in males, with peak rates (0.052) recorded in summer and the lowest rates (0.024) in winter.
Intisar Jabbar +4 more
openaire +2 more sources
Effects of Water Temperature on Gonads Growth in Ambystoma mexicanum Axolotl Salamanders
Animals, 2023 The thermal environment is a major factor influencing amphibians. For example, amphibian reproduction occurs in specific temperatures, and minor changes in this aspect could have negative impacts on this biological process.
Chester R. Figiel
doaj +1 more source
Reproductive biology of Yellowfin Seabream Acanthopagrus latus in coastal waters of Hormozgan [PDF]
بومشناسی آبزیان, 2012 Some reproductive biology features of Yellowfin Seabream Acanthopagrusl atus including gonadosomatic index, hepatosomatic index, sex ratio, macroscopic and microscopic survey of gonad development, frequency of different maturationstages and absolute and ...
Shahlah Nikkhah Khaje Ataei +5 more
doaj