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Wyszukujesz frazę "Aquaculture" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Aquaculture for sustainable development in Nigeria
Autorzy:
Okwodu, Nicholas E.
Powiązania:
https://bibliotekanauki.pl/articles/1192662.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Aquaculture
fish farming
farm
developing countries
Opis:
Aquaculture is the rational rearing of fish and other aquatic organism in man-made ponds, reservoir and cages. It is also referred to as fish farming. Aquaculture is still being practiced at subsistence level in Nigeria. It is essentially a rural, secondary and part-time activity taking place in small farms in small freshwater ponds. Aquatic organisms produced through aquaculture include fish, aquatic invertebrates, planktons and aquatic plants (seaweeds). Aquaculture came as a solution to wild stock which are been depleted, to meet the protein need of the rural population and to overcome the problems inherent in wild fisheries. The application of aquaculture has unveiled to an extent the degree to which fish farming can sustain the economy and provide the necessary protein need of the country. The management of aquaculture for fish production starts from the setting up of the farm until the ponds begin to yield. The major management problem of fishery conservation is how to control both man and the aquatic crops for the present and the future when the demand will probably be greater than now. Aquaculture is very important and is the fastest growing animal based food producing sector particularly in developing countries.
Źródło:
World Scientific News; 2016, 47, 2; 151-163
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A comparative analysis of Yellow Head Virus (YHD) diagnostic methods adopted in Sri Lanka to investigate the accuracy and specificity of the virus
Autorzy:
Amarakoon, A. A. D. Gayathri U.
Wijegoonawardane, P. K. M.
Powiązania:
https://bibliotekanauki.pl/articles/1182758.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Aquaculture
OIE
Penaeus monodon
RNA
Yellow head virus
Opis:
Yellow head virus is a common viral pathogen which infects cultured Penaeus monodon world-wide, resulting in immature larvae and the growth retardation. Therefore, several detection methods are recommended by the Office des Epizootics (OIE) for use in Asia including Sri Lanka. This study was attempted to evaluate the RT-PCR diagnostic method is the appropriate and accurate YHV detection method which is recommended by the OIE comparing with histological identification and haemolymph Smear method. A total of 150 individuals of Penaeus monodon, post larve samples obtained from different shrimp hatcheries located in Northwestern province were screened for the presence of YHV and the results were comparatively analyzed with three different protocols, namely wet mount observation, histopathological observation and RT- PCR detection. Highest prevalence was recorded with wet mount observations (78%) and the lowest was recorded using histopathology (22%). Comparison of PCR tests generated consisted of positive samples 31/51 (2010), 38/65(2011) and 18/34 (2012) respectively. The results obtained with the IQ2000 commercial kit, were the most reliable and it indicated 56.6% average prevalence of YHV.
Źródło:
World Scientific News; 2017, 66; 181-192
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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