Results 21 to 30 of about 3,896,690 (244)

Reproductive performance of laying snails (Archachatina marginata) fed on roughages and different concentrate mixes

open access: yesBulletin of the National Research Centre, 2020
Background This study aims to investigate the reproduction output of Archachatina marginata fed on roughage and concentrate feed with leaf meal-inclusive diets.
Olatunji Abubakar Jimoh   +1 more
doaj   +1 more source

Seasonal changes of commercial traits, proximate and fatty acid compositions of the scallop Flexopecten glaber from the Mediterranean Sea (Southern Italy) [PDF]

open access: yesPeerJ, 2019
This study provides information on biological (gonadosomatic index), commercial quality (condition index and meat yield) and biochemical aspects (proximate composition, fatty acids) of the soft tissues of Flexopecten glaber reared in suspended cages in ...
Ermelinda Prato   +5 more
doaj   +2 more sources

Comparison of Reproductive Aspects of the Tropical Eel Anguilla bicolor (McClelland 1884) in Freshwater and Estuarine Habitats

open access: yesIlmu Kelautan, 2023
The tropical anguillid eel, Anguilla bicolor McClelland, experiences significant growth up to the adult size in both freshwater and estuarine ecosystems, encountering salinity gradients that may impact their reproduction.
Farida Nur Rachmawati   +2 more
doaj   +1 more source

Inaccuracies in routinely collected Atlantic herring (Clupea harengus) maturity data and correction using a gonadosomatic index model [PDF]

open access: yes, 2012
Peer reviewedPublisher ...
Ganias, Konstantinos   +2 more
core   +1 more source

Effect of Pure and Combine Hormone of Pregnant Mare Serum (PMSG) on Gonadosmatic Index, Hepatosomatic Index of Silver Pompano Fish (Trachinotus blochii)

open access: yesJournal of Aquaculture Science, 2017
The research was title The Effect of Pregnant Mare Serum Gonadotropin (PMSG) Pure and Combinations against Gonadosomatik Index, Hepatosomatic Index Silver Pompano (Trachinotus blochii).
Wiwin Kusuma Atmaja Putra   +1 more
doaj   +1 more source

Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill

open access: yesCiencias Marinas, 2005
Female red swamp crayfish, Procambarus clarkii, were exposed for 21 days in the laboratory to different dissolved concentrations of zinc (1000 µg L–1 and 3000 µg L–1) and cadmium (10 µg L–1 and 30 µg L–1), determined in the Guadiamar River after the ...
ML Martín-Díaz   +4 more
doaj   +1 more source

Effect of exposure to palm oil mill effluent on reproductive impairment of male Nile Tilapia (Oreochromis niloticus, Linnaeus 1758) [PDF]

open access: yesE3S Web of Conferences, 2020
One of the negative impacts arising from the existence of palm oil mill industries is the increase of pollution from Palm Oil Mill Effluent (POME), particularly for the aquatic environment.
Muliari Muliari   +6 more
doaj   +1 more source

Corporal and testicular biometry in wild boar from birth to 12 months of age

open access: yesRevista 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   +4 more
doaj   +1 more source

Comparative analysis of the reproductive activity of Leporinus piau (Characiformes: Anostomidae) in lentic and lotic environments [PDF]

open access: yesNeotropical Ichthyology, 2020
In this study, we determined the main reproductive parameters of piau gordura, Leporinus piau, in two sections of the São Francisco River basin. Between May 2015 and April 2016, a total of 573 specimens were captured from a lentic environment (section 1),
Aline Virtude do Nascimento   +5 more
doaj   +2 more sources

Some aspects of the life history of Oxynoemacheilus bergianus (Actinopterygii: Nemacheilidae) from the Jajrud River in the Namak Lake basin, Central Iran [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2022
The length-weight relationship, breeding season and condition factor of Oxynoemacheilus bergianus from Jajrud River in the Namak Lake basin, Tehran Province, Central Iran, were investigated. Sampling was performed from March 2017 to February 2018.
Amir Pourshabanan   +4 more
doaj   +1 more source

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