Biochemical composition of various food organisms used in Malaysia for mass propagation of fish larvae

• Autorzy: Shamsudin L.

Warianty tytułu

PL

Sklad biochemiczny roznych organizmow sluzacych jako pokarm, uzywanych w Malezji do hodowli ryb w stadium larwalnym

• Języki publikacji: EN

Abstrakty

EN

The mass production of live food organisms Brachionus plicatilis and Artemia salina are important and necessary for the rearing of sea bass larvae in Malaysian aquaculture. The marine Chlorella and brewer’s yeast were fed to rotifers which in turn were fed to fish larvae. Marine Chlorella contained large amounts of 16:0, 16:1 and 20:5w3 but was poor in 18:3w3. The major fatty acids in the yeast were 16:0, 16:1, 18:1, and 18:2w6. The rotifers and Artemia contained large amounts of 18:2w6, 18:3w3 and 20:5w3 but were poor in 22:6w3. The food value for Artemia nauplii was better than that of the adult. The food organisms under investigation contained the necessary w-3 highly unsaturated fatty acid (HUFA) series necessary for growth and survival rates of fish larvae.

PL

Masowa produkcja żywego pokarmu zawierającego wrotkę Brachionus plicatilis i krewetkę Artemia salina jest ważna dla hodowli ryb w stadiach larwalnych w Malezji (tabela I). Zawartość lipidów w morskiej chlorelli (służącej jako pokarm dla wrotków) była trzy do pięciu razy większa niż zawartość chlorofilu ɑ (tabela II). Najważniejszymi kwasami tłuszczowymi występującymi w morskiej chlorelli były kwasy: 16:1, 16:0 i 20:5w3, podczas gdy w drożdżach (pokarm dla wrotków) 16:0, 16:1, 18:1 i 18:2w6 (tabele III, IV). B. plicatilis i A. salina zawierały duże ilości kwasów: 18:2w6, 18:3w3 i 20:5w3 (tabela V, VI). Wartość odżywcza naupliusów A. salina była wyższa niż osobników dorosłych (tabela VI). B. plicatilis i A. salina zawierały również serie w-3 wysoko nienasyconych kwasów tłuszczowych, niezbędnych dla wzrostu i przeżywalności larw rybich. Przeżywalność larw w wieku 3-20 dni wynosiła 20-24% a w wieku 3-30 dni 18-22%.

Słowa kluczowe

PL

Malezja; pokarm; zywy pokarm; larwy; Artemia salina; sklad biochemiczny; kwasy tluszczowe; hodowla zwierzat; wartosc odzywcza; wrotki; stadia rozwojowe; Brachionus plicatilis; lipidy; ryby; krewetki

• Wydawca: -
• Czasopismo: Acta Hydrobiologica
• Rocznik: 1993
• Tom: 35
• Numer: 3
• Opis fizyczny: s.231-241,tab.,bibliogr.

Twórcy

autor

Shamsudin L.

• Pertanian University Malaysia, Faculty of Fisheries and Marine Science, Mengabang Telipot, 21030 Kuala Terengganu, Terengganu, Malaysia

Bibliografia

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