Zobrazeno 1 - 10
of 4 361
pro vyhledávání: '"Gonadosomatic Index"'
Autor:
Beata Więcaszek, Przemysław Czerniejewski, Jarosław Dąbrowski, Agata Korzelecka, Krzysztof Formicki, Adam Tański
Publikováno v:
Journal of Water and Land Development, Iss No 62, Pp 97-105 (2024)
In 2022–2023 specimens of A. fallax are recorded for the first time in approximately 17 years in Szczecin Lagoon. We collected 11 specimens of juveniles, 9 premature and mature females, and 9 premature and mature males (20.3–40.7 cm of total leng
Externí odkaz:
https://doaj.org/article/894961c2c7cd4cc78ab1100b21ced33c
Publikováno v:
Ecology and Evolution, Vol 14, Iss 10, Pp n/a-n/a (2024)
Abstract Originating from the Black and Caspian seas, the Round Goby (Neogobius melanostomus) has become one of the most successful invaders of freshwater ecosystems. In this study, we provide a characterization of the reproductive strategy of an est
Externí odkaz:
https://doaj.org/article/715df6bd810d43bd86f6ad8afef942bf
Autor:
Manuel d. J. Anzueto-Calvo, Blanca C. Valeriano-Cabrera, Alejandra G. Aguilar-Decelis, Ernesto Velazquez-Velazquez, Genoveva Cerdenares Ladrón de Guevara, Gorgonio Ruiz-Campos, Guillermo Salgado-Maldonado
Publikováno v:
Tropical Zoology, Vol 37, Iss 3-4 (2024)
Fish of the genus Tlaloc are distributed from southern Mexico to Central America and are a distinctive example of the endemic fauna of the Mesoamerican highlands, which has been scarcely studied in Mexico. The present study provides basic life-histor
Externí odkaz:
https://doaj.org/article/3b56f668bb654769b8c65ab636e5c430
Publikováno v:
Brazilian Journal of Biology, Vol 84 (2024)
Abstract A total of 381 specimens of the tilapia Oreochromis mossambicus collected monthly from May 2017 to May 2018 in the Laguna de Los Patos, Cumaná, Venezuela, to evaluate reproductive parameters of this non-native species. Significant differenc
Externí odkaz:
https://doaj.org/article/9bc61eba906241b19d309e42a0d024bc
Publikováno v:
Ciência Rural, Vol 54, Iss 10 (2024)
ABSTRACT: The current study tested the hypothesis that an increase in the ionic levels (Na+, Cl-, Ca2+, Mg2+, and K+) in the gastrointestinal tract (GIT), and hepatosomatic index (HSI), gonadosomatic index (GSI), and Fulton’s condition factor (FCF)
Externí odkaz:
https://doaj.org/article/6968344c406f4947afebf915fb0c045d
Publikováno v:
Fisheries and Aquatic Sciences, Vol 27, Iss 2, Pp 100-110 (2024)
Biometric evaluation and reproductive biology of Oreochromis niloticus were studied from Geray Reservoir. Between November 2021 and August 2022, 316 O. niloticus specimens were collected from this reservoir. The observed male to female sex ratio was
Externí odkaz:
https://doaj.org/article/079dd0c4d962460689e5b8306982b209
Publikováno v:
SVU-International Journal of Veterinary Sciences, Vol 7, Iss 1, Pp 1-21 (2024)
Copper oxide nanoparticles (CuO NPs) are metallic nanoparticles fulfilling several functions such as good conductivity, catalyst, used in sensors and energy storage devices, and antibacterial characteristics. However, the cytotoxicity and particula
Externí odkaz:
https://doaj.org/article/002022d0dff948d59a6df248b9d37ce5
Publikováno v:
Animal Science and Genetics, Vol 19, Iss 4, Pp 3-16 (2023)
A study was carried out to assess the reproduction and gonadosomatic index of Archachatina marginata fed with a medicinal plant (Thymus vulgaris). Three hundred adult snails were randomly allocated to four treatments and five replicates of 15 compara
Externí odkaz:
https://doaj.org/article/47994aec9c4647e387bb1593c438951f
Publikováno v:
Progress in Fishery Sciences, Vol 44, Iss 5, Pp 11-20 (2023)
The Argentinean shortfin squid, Illex argentinus, is an oceanic cephalopod displaying characteristics of short lifespan, fast growth rate, and semelparous reproduction. Here, we aimed to comprehensively understand the squidxs life history strategy by
Externí odkaz:
https://doaj.org/article/40446c9f2615432f868d837e7503af1f
Autor:
Kay Khine Soe, Teuku Haris Iqbal, Apiradee Lim, Wen‑Xiong Wang, Karl W. K. Tsim, Yutaka Takeuchi, Nirattisai Petchsupa, Sukree Hajisamae
Publikováno v:
BMC Zoology, Vol 8, Iss 1, Pp 1-16 (2023)
Abstract This study investigated the reproductive traits of the hermaphroditic four-finger threadfin, Eleutheronema tetradactylum, along the coasts of Thailand during January to December 2021. Fish samples were collected from Pattani Bay, Thailand to
Externí odkaz:
https://doaj.org/article/7a4faa68d3914a1fa56b7134a622fce0