Publication Date:
2021-05-19
Description:
Seaweed belonged to baseborn marine plants with cell wall containing of valued polysaccharides such as Agar,
Alginate, Limen sulfate and Carmine, used as food additives and in different industries. Base on previous
studies, more than 1000 MT. of Sargassum seaweed withdraw from Oman Sea in Sistan and Baluchistan coastal
line which can be collect, dried and powdered for using as supplement in shrimp feed. In this project, Sargassum
ilicifolium collected from 6 coastal areas, rinsed, dried, powdered and measured the nutritional values in
laboratory for surveying statistically. According to the high nutritional value of Tis coastal seaweed, this variety
seaweed powder, replaced with protein resources (fish meal and Soy and Wheat) of white-leg shrimp feed which
was formulated by Havorash feed factory of Boshehr in four treatments (A: as control without any replacement)
B: with 5%, C: 10 % and D: 15% seaweed replacement, each with three replicates in order to obtain isonitrogenus
33% CP., and iso-caloric (13% fat and 15% carbohydrate) feed using winfeed software. The weighed
milled ingredients were carefully mixed using a laboratory food mixer. The mixtures were primed with 30% hot
water to yield a suitable pulp. Wet diets were made into 2 mm pellet size and dried at 40 °C in a drying cabinet
and maintained in standard condition which was used for water stability and absorption capacity test of the
pellets in sea water, statistically one way- ANOVA.
The Tis coastal seaweed with 9.8% CP, 2% lipid and 23% carbohydrate had higher nutritional value compared to
the other gathered seaweed. Also amino acid and fatty acid profiles, vitamins and minerals were measured in all
seaweed samples each, with three replications.
As result, for using Sargassum ilicifolium as vitamins and mineral premixes in white- leg shrimp feed, Zinc,
Cobalt and Phenylalanine with dose of 1.1, 06.0 and 4.0 ml. 100% dried seaweed must be added respectively.
The water stability of D feed treatment in seawater (98%) and C (97%) had statistical differences with A and B
(95% stability) (P〈0.05). Water absorption capacity of feeds after one hour immersion in seawater showed
significance difference between D (110%) and three others, C(100%), B(85% and control(80%) (P〈0.05).
As final aim of this project, enriched product of this seaweed as minerals and vitamins supplements were handsel
joinery in the Second Medicine Plant Festival, 2016 and registered in recording organization to give the final
certificate.
Description:
Iranian Fisheries Science Research Institute
Description:
Published
Keywords:
Sargassum illicifolium
;
Biochemical composition
;
Mineral and vitamins supplements
;
Natural binder
;
Litopenaeus vannamei
;
Seaweed
;
Vitamin
;
White leg shrimp
Repository Name:
AquaDocs
Type:
Report
,
Refereed
Format:
82pp.
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