NUTRITIONAL VALUE DETERMINATION OF MICROWORMS (Panagrellus redivivus) FOR THE LARVAL FIRST FEEDING OF FISH

Year 2015, Volume: 30 Issue: 1, 1 - 10, 22.10.2015

Deniz Tosun , Pelin Çiftçi , Şehnaz Tosun

https://doi.org/10.18864/iujfas.09568

Abstract

Fish larvae are fed with artemia and it is very expensive. Although it is widely and successfully used, Artemia salina is an expensive raw material which is collected from nature and needs to have an alternative fro future use. Panagrellus redivivus, which is a free living nematode is known to be a suitable species for the first feeding of fish larvae.P. redivivus, microworms, are used by amateur aquarists for aquarium fish but scientific research on the species is limited. Larval feeding is very essential for the fish to be healthy and productive and this study aims to identify Panagrellus redivivus nutritional values for larval feeding. Microworms are fed and cultured in mediums with oatmeal, water and yeast before chemical analyses for nutritional values. Analyzes showed %36, %12.4, %77,78 and %7.69 for proteins, lipids, moisture and ash respectively

Keywords

Microworms, Panagrellus redivivus, larval feeding

LARVA BESLENMESİNDE KULLANILAN MİKROKURTLARIN (Panagrellus redivivus) BESİN KOMPOZİSYONLARININ ARAŞTIRILMASI

Abstract

Balık larvalarının beslenmesinde kullanılan bir canlı yem türü olan Artemia salina doğal stoklara bağımlı olması nedeniyle maliyetli bir hammaddedir. Her ne kadar Artemia salina oldukça yaygın bir şekilde ve başarılı olarak kullanıyor olsa da, Artemia salina’nın maliyetli ve doğadan toplanan stoklara bağımlı olması bu hammaddenin alternatiflerinin araştırılmasını gerektirmektedir. Serbest yaşayan (parazit özelliği göstermeyen) bir nematod olan Panagrellus redivivus’ un balık larvalarının ilk beslenmesinde kullanıma uygun bir tür olduğu bildirilmektedir. Bu nematodlardan olan mikrokurtlar (Panagrellus redivivus) amatör akvaryumcular tarafından balık larvalarının beslenmesinde sıkça kullanılmaktaysa da bu türlerin kullanımına yönelik bilimsel araştırmalar kısıtlıdır. Bu türlerin Artemia salina yerine kullanılabileceği bazı araştırıcılar tarafından bildirilmektedir. Balık larvalarının iyi beslenmesi bu balıkların ilerleyen dönemlerindeki büyüme performansları, sağlık durumları ve gelişimleri açısından çok önemlidir. Bu çalışmada amaç; adı geçen nematod olan mikrokurt (Panagrellus redivivus)türünün besin değerlerinin belirlenmesidir. Bu amaçla yulaf unu, su ve maya kullanılarak oluşturulan besi ortamında kültüre alınan mikro-kurtlara besin değeri analizleri yapılmıştır. Yapılan analiz sonuçlarına göre mikrokurtların protein, yağ, nem ve kül değerleri sırasıyla % 36, %12.4, %77.78 ve %7.69 olarak bulunmuştur.

Keywords

Mikrokurt, larva beslenmesi, panagrellus redivivus

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