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Effect of lysine addition in the dietary on the growth of Cyprinus carpio fingerlings

تأثير إضافة الحمض الأميني "اللايسين" إلى الخلطة العلفية في نمو إصبعيات أسماك الكارب العادي Cyprinus carpio L. مخبرياً

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 Publication date 2018
  fields Animal Production
and research's language is العربية
 Created by Shamra Editor




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This research aimed to study the effect of adding different rates of lysine on the weight and growth of common carp fingerlings. The experiment was carried out in the laboratory for 4 months using eight glass containers (40 liters each) with four treatments (L0 no Lysine addition, L1 (2%), L2 (3%), L3(4%) of the total weight of diet. Eight common carp fingerlings (average of tall 7.5cm ± 0.05 and average of weight 12.25g ± 0.57) were cultured in each container with Oxygen pumps and filters. Results showed by growth rate, absolute growth rate, specific growth rate and food conversion ratio (FCR) that the treatment L1 (2% lysine) was significantly the best comparing to the other treatments, where FCR was (2.2) and the specific growth ratio was (0.28 %)

References used
AHMED, A., and KHAN M. A., Dietary lysine requirement of fingerling Indian major carp (Cirrhinus mrigala) (Hamilton). Aquaculture. Vol 235, 2004,. 499– 511
BHATNAGAR, A., and DEVI., P.Water quality guidelines for the management of pond fish culture. International Journal of Environmental Sciences. 2013. 3(6): 1980 -2009
FAO, (Food and Agriculture Organization of the United Nations). The State of World Fisheries and Aquaculture. Meeting the sustainable development goals. Rome. 2018, 227 pages
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This study aimed to investigate the effect of frozen live food (Daphnia magna) and artificial diets on growth performance, feed conversion ratio and survival of Cyprinus carpio fry reared in 25-liter glass aquaria. Duplicate groups of fry were fed o n the tested diets three times a day to satiation for 21 days. The results revealed that the growth rates (weight gain, % weight gain) were significantly (P<0.05) affected by the used diets. Fry fed on the frozen live food showed the worst growth rates, even their feed conversion ratio expressed the lowest value compared with the results obtained from fry fed on the artificial diets, although survival was not significantly (P>0.05) affected with the different diets. No significant differences (P>0.05) were noticed in the results obtained from fry fed on the different artificial diets.
The study was conducted in a fish laboratory in the college of veterinary medicine during the period between the months of March and September. The experiments of this study were performed in laboratory conditions. Five dosage levels of Ivermectin were administered.

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