Results 91 to 100 of about 4,974 (145)

Controlo da secreção e síntese da hormona de crescimento e da prolactina em pituitárias de dourada (Sparus aurata L.) incubadas in vitro [PDF]

open access: yes, 1994
Dissertação de Mestrado, Estudos Marinhos e Costeiros, Unidade de Ciências do Mar e do Ambiente, Universidade do Algarve, 1994O peixe utilizado no presente trabalho, a dourada (Spcnvs aura,a L), é uma espécie importante para a aquacultura ao longo de ...
Brinca, Lilia
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Lipids and essential fatty acid requirements of fish and shellfish [PDF]

open access: yes, 1987
Lipids, the water insoluble biomolecules were considered as mere sources of energy for animals, until Burr and Burr (1930) for the first time demonstrated the need for a essential fatty acid in the diets of rates.
Paulraj, R
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Effect of dietary estradiol-17β on growth performance, body composition and blood indices in Stellate sturgeon, Acipenser stellatus [PDF]

open access: yes, 2014
This study was investigated the effects of dietary estradiol-17β (E2) on growth, body composition and blood indices in Acipenser stellatus. Fish (40.9 ± 1.1 g average initial weight; n = 60 per group) were fed with three different diets containing 0 ...
Ahmadnezhad, M.   +4 more
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Exploring the Dynamics of Environmental DNA: Effects of Early Developmental Stage and Physiological State in Chum Salmon

open access: yesEnvironmental DNA
Environmental DNA (eDNA) analyses provide valuable ecological data. Recent studies have explored eDNA dynamics related to reproductive behavior and developmental stages, revealing significant variations in eDNA concentrations across different life stages.
Masayuki K. Sakata   +3 more
doaj   +1 more source

PICES Press, Vol. 7, No. 2, July 1999 [PDF]

open access: yes, 1999
Improving PICES CO2 measurement quality The status of the Bering Sea: July - December 1998 The state of the eastern North Pacific since October 1998 The state of the western North Pacific in the second half of 1998 Paul Henry LeBlond Report on ...

core  

Salinity tolerance of the tilapias Oreochromis aureus, O. niloticus and an O. mossambicus X O. niloticus hybrid [PDF]

open access: yes
Studies ontogenetic changes in salinity tolerance in tilapias spawned and reared in freshwater using the indices of median lethal salinity, mean survival time and median survival time.
Huang, M.C., Kuo, C.M., Watanabe, W.O.
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