نتایج جستجو برای: nauplii
تعداد نتایج: 676 فیلتر نتایج به سال:
Effect of daily Artemia nauplii concentrations during juvenile production of Lophiosilurus alexandri
Near-surface zooplankton samples were collected during an interdisciplinary study of biological responses to oceanographic circulation south of Looe Reef in the southern Straits of Florida (SSF) in late May 1994. Surface currents in the sampling region were monitored during the study with the University of Miami's high frequency (HF) Ocean Surface Current Radar (OSCR). HF-radar was highly effec...
This article presents materials on the results of an experiment enrichment Artemia salina with unicellular alga Haematococcus pluvialis to increase its nutritional value. For fry marine fish, such as mullet and kalkana, freshwater clary catfish, carp trout, supply fatty acids energy value is still insufficient. Therefore, it necessary enrich brine shrimp additional nutrients The use a component...
Marine algal community signifies a huge source of compound endowed with ingenious structure and potential biological activities. Cytotoxicity of plant or fungal material is considered as the presence of antitumor compounds. In this study, ethanol extracts of seaweeds Dictyota dichotoma var. velutricata, D. hauckiana, D. indica, Iyengaria stellata, Jolyna laminarioides, Melanothamnus afaqhusaini...
Three aromatic sesquiterpene derivatives, (+)-(7R, 10S)-2-methoxy calamenene (1), (+)-(7R, 10S)-2,5-dimethoxy calamenene (2) and (+)-(7R, 10S)-2-methoxy-5-acetoxy calamenene (3) were isolated from the methanol extract of the Indian gorgonian Subergorgia reticulata. Compound 2 has not been previously described in the literature. Compound 3 has not been isolated previously from a natural source. ...
During the present study, we aimed at providing a first look at the elemental composition of the early stages of cephalopods as an approach to their elemental requirements in culture. Essential and non-essential elemental profiles of the European cuttlefish Sepia officinalis, the European squid Loligo vulgaris and the common octopus Octopus vulgaris laboratory hatchlings and wild juveniles were...
The resin of Canarium strictum Roxb. is used for rheumatism and asthma; the bark as a mosquito repellent. major compounds in are triterpenoids, but no studies have been performed on bark, this study investigated economically important resource. Ten folk healers were interviewed about their medicinal uses C. strictum. Resin extracted with dichloromethane followed by methanol using accelerated so...
Copepods are considered relevant live feed for fish larval marine aquaculture. They promote survival and growth rate reduce deformities when used as food source. The cyclopoid copepod Apocyplops royi among others in extensive Taiwanese However, knowledge on its performance intensive cultures is limited. This study investigates parameters that prerequisites before initiating tank with A. royi. W...
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