Results 101 to 110 of about 10,315 (217)

The impact of captivity on fertilization, cortisol and glucose levels in plasma in kutum broodstock [PDF]

open access: yes, 2010
Gravid wild kutum broodstock, Rutilus frisii kutum, on their upstream migration to Valiabad River (northern Iran) were kept in captivity to allow them to ovulate (captive ripe).
Nikoo, M., Yasemi, M.
core  

Testicular Histomorphometric Evaluation of Zebu Bull Breeds. [PDF]

open access: yes, 2017
The objective of this study was to evaluate the quantitative histology and testicular biometrics in zebu bulls of different breeds. Testicular fragments of Nelore (n=10), Polled Nelore (n=6), Gir (n=5), Guzerat (n=5) and Tabapuã bulls (n=5) were used ...
ANDREUSSI, P. A. T.   +5 more
core   +1 more source

Report on gonadosomatic index, size at first maturity and reproductive parameters

open access: yes, 2018
Peer ...
Albo Puigserver, Marta   +5 more
openaire   +1 more source

The reproductive cycle of the thorny skate (Amblyraid radiata) in the western Gulf of Maine [PDF]

open access: yes, 2005
The thorny skate (Amblyraja radiata) is a large species of skate that is endemic to the waters of the western north Atlantic in the Gulf of Maine.
Danley, Patrick D.   +6 more
core   +1 more source

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

open access: yesScientia 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   +2 more
doaj   +1 more source

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

open access: yesRevista 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   +2 more
openaire   +2 more sources

Aspects of reproductive biology of Hyperopisus bebe occidentalis (Gunther) in Zaria Dam, Nigeria [PDF]

open access: yes, 2010
Studies were conducted on some aspects of the reproductive biology of Hyperopisus bebe occidentalis in Zaria dam. Fish were captured by using nets of various mesh sizes for 24 months. Sex ratio of female to male was 1:1.08.
Onimisi, H.U., Oniye, S.J.
core  

Reproduction, age and growth of the round scad Decapterus macrosoma Blecker 1851, Carangidae from Mozambique [PDF]

open access: yes, 1987
Reproduction, age and growth of Decapterus macrosoma Blecker, 1851 were studied. The data were collected in Sofala Bank from commercial bottom trawlers and surveys. A total of 5,500 individuals were examined during the period 1979-1982.
Gjøsaeter, J., Sousa, M.I.
core  

Gonadosomatic Index (GSI) of Sardinella lemuru from Pantukan, Davao de Oro

open access: yesWorld Journal of Environmental Research
This study investigates the gonadosomatic index of Sardinella lemuru, a commercially important species inhabiting highly productive marine environments. Despite its economic and ecological value, there is limited information on the reproductive biology of this species, particularly concerning the gonadosomatic index, which is essential for ...
openaire   +1 more source

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