Results 91 to 100 of about 4,371,888 (200)

Induced breeding of knife fish, Notopterus notopterus, using pituitary gland extract, human chorionic gonadotropin, and luteinizing hormone releasing hormone‐analog hormones

Journal of the World Aquaculture Society, Volume 57, Issue 3, June 2026.
Abstract This study was performed to determine the efficiency of various hormones on the ovulation of knife fish, Notopterus notopterus, in captivity. In total, 81 fish were grouped into nine treatments with three replicates, maintaining the sex ratio 1:2 (male to female).
Manish Devkota, Bui Min Tam, Bibhuti Ranjan Jha, Kshitiz Kandel   +3 more
wiley   +1 more source

Dataset on reproductive status of ovary mud crab at different salinity levels

Data in Brief, 2019
This article investigated how crabs responded to different culture salinities through ovarian maturation stages using combination of external morphology (ovarian coloration and gonadosomatic index), and histological assessment (oocyte structures and ...
Adnan Amin-Safwan, Mohd Pauzi Mardhiyyah, Mohd Affendi Izzah-Syafiah, Harman Muhd-Farouk, Hidayah Manan, Hairul Hafiz Mahsol, Musa Nadirah, Mhd Ikhwanuddin   +7 more
doaj   +1 more source

Data on length-weight and length-length relationships, mean condition factor, and gonadosomatic index of Rutilus rutilus and Perca fluviatilis from the Ob River basin, Western Siberia. [PDF]

Data Brief, 2022
Shuman LA, Selyukov AG, Nekrasov IS, Elifanov AV, Yurchenko VV.   +4 more
europepmc   +1 more source

STUDIES OF ANNUAL GONADAL DEVELOPMENT AND GONADAL ULTRASTRUCTURE IN SPINY-CHEEK CRAYFISH (ORCONECTES LIMOSUS)

Knowledge and Management of Aquatic Ecosystems, 2007
The aim of this study was to follow the gonadal development in freshwater crayfish Orconectes limosus (Rafinesque) by histological examination of ovaries and testes as well as monthly investigation of the gonadosomatic index over a period of one year ...
KOZÁK P., HULÁK M., POLICAR T., TICHÝ F.   +3 more
doaj   +1 more source

Female reproductive cycle of the Southwestern Atlantic estuarine crab Chasmagnathus granulatus (Brachyura, Grapsoidea, Varunidae)

Scientia Marina, 2004
The female reproductive biology of a Chasmagnathus granulatus population inhabiting the area near the mouth of Mar Chiquita coastal lagoon, Argentina, was studied.
Romina B. Ituarte, Eduardo D. Spivak, Tomás A. Luppi   +2 more
doaj   +1 more source

[Fertility, fecundity and gonadosomatic index of Poecilia reticulata (Pisces: Poeciliidae) in Heredia, Costa Rica].

Revista de biologia tropical, 2004
Entre setiembre y noviembre de 1998 se determinó la fecundidad, fertilidad e índice gonadosomático de Poecilia reticulata (Peters 1859), a partir de especímenes recolectados en un estanque en Santo Domingo de Heredia, Costa Rica. Las hembras presentaron una longitud total promedio de 34.43 ± 7.26 mm con un ámbito entre 17.80 y 51.50 mm y un peso total ...
Urriola Hernández, Mario, Cabrera Peña, Jorge, Protti Quesada, Mauricio   +2 more
openaire   +2 more sources

Fecundity Study and Histological Analysis of the Gonads of the Sea Cucumber Holothuria tubulosa (Echinodermata: Holothuroidea) in the Central Aegean Sea, Greece: Insights into Reproductive Biology

Fishes
The Atlanto-Mediterranean sea cucumber Holothuria tubulosa is a species of great ecological and commercial importance, making it a primary target for collection in the Mediterranean region. This study investigated the reproductive biology of H. tubulosa (
Athina Balatsou, Chrysoula Apostologamvrou, Dimitris Vafidis   +2 more
doaj   +1 more source

Corporal and testicular biometry in wild boar from birth to 12 months of age Biometria corporal e testicular de javalis do nascimento aos 12 meses de idade

Revista Ceres, 2013
The aim of this tudy was to evaluate corporal and testicular development in wild boars (Sus scrofa scrofa) from birth to 12 months of age, evaluating body weight, biometric testicular parameters, and gonadosomatic index.
Danillo Velloso Ferreira Murta, Deiler Sampaio Costa, Marcelo Diniz Santos, Fábio José Carvalho Faria, Tarcízio Antônio R��go de Paula   +4 more
doaj  

Length-weight relation, condition factor and gonadosomatic index of the whitemouth croaker, Micropogonias furnieri (Desmarest, 1823) (Actinopterygii: Sciaenidae), caught in Lençóis Bay, state of Maranhão, eastern Amazon, Brazil

Brazilian Journal of Oceanography
The whitemouth croaker, Micropogonias furnieri, which is exploited off the state of Maranhão, Brazil, reinforces the need for maintenance programs of natural stocks of this species to assist in the management of this exploited resource.
James Werllen de Jesus Azevedo, Antonio Carlos Leal de Castro, Marcelo Henrique Lopes Silva   +2 more
doaj   +1 more source

EFFECTS OF ZINC AND CADMIUM ON CONDITION FACTOR, HEPATOSOMATIC AND GONADOSOMATIC INDEX OF Oreochromis niloticus

, 2019
Effects of Zn and Cd on condition factor (CF), hepatosomatic (HIS) and gonadosomatic (GSI) of Oreochromis niloticus, after exposing the animals to 10 % of their LC50 values, namely 6.0 ppm Zn and 1.6 ppm Cd, over 7, 15, and 30 days. Standard mathematical formulations were used in determining the mentioned parameters.
Çiftçi N., Ay Ö., Karayakar F., Cicik B., Erdem C.   +4 more
openaire   +2 more sources