Effect of dietary high lysine and methionine levels on growth performance of Nile tilapia (Oreochromis niloticrrs) fed on diet at different frequencies [electronic resource].
Language: English Summary language: Arabic Description: P. 55-70Other title:- تأثير إضافة مستويات عالية من الليسين والميثيونين على أداء النمو لأسماك البلطى النيلى المغذاه على عليقة بعدد مرات مختلفة. [Added title page title]
- Egyptian journal of nutrition and feeds, 2006 v. 9(1) [electronic resource].
Includes references.
The present study was curried out at the aquaculture experimental station. Department of Animal Production. Faculty of Agriculture. Al-Azhar University. Cairo. Egypt during the period from 1/7 to 22/9/2004. A total number of 480 Nile tilapia fingerlings weighing 10.4 ± 0.4g/ fish were distributed into sir experimental groups representing two lysine + methionine levels (the requirement and 30% over the recommended level). Within each amino acid level three feeding frequencies (2,4 and 6 times daily) were tested. The experiment was conducted in fiber glass tanks. each of 1 m3 total water volume supplied with aeration source in a recirculating closed water system. The applied treatments were performed in replicate tanks each with 40 fish. The experiment lasted 12 weeks after start.
Summary in Arabic.
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