Antinutritional Factors Within Plant Foodstuffs and Their Effects on Fishes

The increasing price of the fish meal and ambiguity in acquiring it have obligated to use vegetable protein sources in fish feed that are cheaper and more easily attainable than fish meal. For this reason vegetable feed raw materials having a high protein content such as soybean meal, cottonseed mea...

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Veröffentlicht in:Journal of FisheriesSciences.com 2009, Vol.3 (4), p.323-332
1. Verfasser: Dogan, Gaye
Format: Artikel
Sprache:eng ; tur
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Zusammenfassung:The increasing price of the fish meal and ambiguity in acquiring it have obligated to use vegetable protein sources in fish feed that are cheaper and more easily attainable than fish meal. For this reason vegetable feed raw materials having a high protein content such as soybean meal, cottonseed meal, sunflower seed meal, rapeseed meal, wheat flour and sorghum are used in feed production. But these raw materials contain various antinutritional which means nutrition limiter factors. Those factors cause negative effects on the growth, utilization from feed and health of fish. In order to eliminate the negative impacts, more comprehensive researches are needed that exhibit the results of threshold limits of antinutritional factors, effects on physiological and ecological characteristics of the fish and interaction among the different antinutritional factors.Original Abstract: Balik ununun artan fiyati ve elde edilmesindeki belirsizlik, daha ucuz ve daha kolay elde edilebilen bitkisel protein kaynaklarinin, balik ununa alternatif olarak balik yemlerinde kullanilmalarini zorunlu hale getirmektedir. Bu nedenle yem yapiminda soya kuespesi, pamuk tohumu kuespesi, aycicegi tohumu kuespesi, kolza tohumu kuespesi, bugday unu ve sorgum gibi yueksek protein icerigine sahip bitkisel yem ham maddeleri kullanilmaktadir. Ancak bu ham maddeler cesitli antibesleyici yani beslenmeyi sinirlandirici faktoerler icermektedirler. Bu faktoerler, baliklarin bueyueme, yemden yararlanma ve sagliklari uezerine olumsuz etkiler meydana getirmektedir. Bu olumsuzluklarin ortadan kaldirilabilmesi icin, antibesleyici faktoerlerin esik limitleri, baliklarin fizyolojik ve ekolojik oezellikleri uezerine etkileri ve farkli antibesleyici faktoerlerin birbirleri arasindaki etkilesimin nasil sonuclandigini ortaya koyan daha ayrintili arastirmalara ihtiyac duyulmaktadir.
ISSN:1307-234X
1307-234X
DOI:10.3153/jfscom.2009037