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Effect of dietary fish meal replacement by red algae, Gracilaria arcuata, on growth performance and body composition of Nile tilapia Oreochromis niloticus
المؤلفون المشاركون
Abd al-Warith, Abd al-Wahhab A.
al-Asgah, Nasir A.
Yunus, al-Sayyid M.
al-Qufayl, Abd Allah S.
al-Hafiz, Yusuf S.
المصدر
Saudi Journal of Biological Sciences
العدد
المجلد 25، العدد 2 (28 فبراير/شباط 2018)، ص ص. 198-203، 6ص.
الناشر
تاريخ النشر
2018-02-28
دولة النشر
السعودية
عدد الصفحات
6
التخصصات الرئيسية
الموضوعات
الملخص EN
A 12-week long feeding experiment was initiated to evaluate the effect of dietary supplementation of red algae, Gracilaria arcuata, on the growth performance, feed utilization and body composition of Nile tilapia Oreochromis niloticus (Linnaeus, 1758).
The fish were fed with an algae-free control diet (C) and three experimental diets which replaced conventional fish meal with varying levels of dried G.
arcuata (20 %, 40 % and 60 %, represented as G20, G40 and G60, respectively).
The growth parameters of final weight (FW), weight gain (WG), percentage of weight gain (WG %), daily growth rate (DGR) and specific growth rate (SGR) were significantly reduced (P < 0.05) at all levels of algae incorporation compared to the control diet.
Moreover, the negative impact of Gracilaria meal on the growth performance of Nile tilapia increased as the proportion of algae in the diet increased, with fish on diet G20 exhibiting a significantly higher growth performance than the fish on either of the G40 and G60 diets.
On the other hand, the feed utilization parameters feed conversion ratio (FCR) and protein efficiency ratio (PER) did not show significant differences between the fish in the control group and those on diet G20, although poorer FCR and PER outcomes were achieved in the case of fish on diet G60.
The content of moisture, protein and ash in muscle and carcass increased as the proportion of Gracilaria meal in the diets increased, but the reverse was true for lipid level.
These results indicate that incorporation of less than 20% red algae, Gracilaria arcuata, could be feasible in the diet of Nile tilapia and further studies are recommended to optimize the level of algae to improve growth performance.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Yunus, al-Sayyid M.& al-Qufayl, Abd Allah S.& al-Asgah, Nasir A.& Abd al-Warith, Abd al-Wahhab A.& al-Hafiz, Yusuf S.. 2018. Effect of dietary fish meal replacement by red algae, Gracilaria arcuata, on growth performance and body composition of Nile tilapia Oreochromis niloticus. Saudi Journal of Biological Sciences،Vol. 25, no. 2, pp.198-203.
https://search.emarefa.net/detail/BIM-781627
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Yunus, al-Sayyid M.…[et al.]. Effect of dietary fish meal replacement by red algae, Gracilaria arcuata, on growth performance and body composition of Nile tilapia Oreochromis niloticus. Saudi Journal of Biological Sciences Vol. 25, no. 2 (Feb. 2018), pp.198-203.
https://search.emarefa.net/detail/BIM-781627
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Yunus, al-Sayyid M.& al-Qufayl, Abd Allah S.& al-Asgah, Nasir A.& Abd al-Warith, Abd al-Wahhab A.& al-Hafiz, Yusuf S.. Effect of dietary fish meal replacement by red algae, Gracilaria arcuata, on growth performance and body composition of Nile tilapia Oreochromis niloticus. Saudi Journal of Biological Sciences. 2018. Vol. 25, no. 2, pp.198-203.
https://search.emarefa.net/detail/BIM-781627
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 202-203
رقم السجل
BIM-781627
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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