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Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

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Nội dung chi tiết: Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

Brewer’s yeast as a protein source in the diet of tilapia (Oreochromis niloticusj and freshwater prawns (Macrobrachium rosenbergii) reared in a clear

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment water or biofloc environmentNguyen Huu Yen NhiFaculty of Veterinary Medicine and Anima! Science Department of Animal Nutrition and Management Uppsala

Doctoral thesisSwedish University of Agricultural Sciences Uppsala 2019Acta Universitatis agriculturae Sueciae84.1395833333333Cover: Tilapia and giant Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

freshwater prawns next to imhoff cone with biofloc inside (photo: Nguyen Huu Yen Nhi, 2017)ISSN 1652-6880ISBN (print version) 978-91-7760-360-3ISBN (

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

electronic version) 978-91-7760-361-0©2019 Nguyen Huu Yen Nhi, UppsalaPrint: SLU Service Repro. Uppsala 2019Brewer’s yeast as a protein source in the

Brewer’s yeast as a protein source in the diet of tilapia (Oreochromis niloticusj and freshwater prawns (Macrobrachium rosenbergii) reared in a clear

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment hesis investigated the effects of dietary protein replacement of fishmeal or soybean meal with spent brewer's yeast (SBY) in fanned tilapia and giant

freshwater prawns. The effect of rearing tilapia and prawn in two different rearing systems, clear water recirculating aquaculture system (CW-RAS) and Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

biofloc recirculating aquaculture system (Bio-RAS), were also investigated.The fish reared in Bio-RAS displayed higher growth, a higher protein effic

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

iency ratio and a lower feed conversion rate than fish reared in CW-RAS. Tills difference between systems was not as apparent in the growth and protei

Brewer’s yeast as a protein source in the diet of tilapia (Oreochromis niloticusj and freshwater prawns (Macrobrachium rosenbergii) reared in a clear

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment fishmeal with SBY. The growth performance of prawns was not significantly different between any dietary treatments in Bio-RAS or CW-RAS. Significant

differences were only found between brewer’s yeast replaced fishmeal at 60% in a CW-RAS and at 40% in Bio-RAS.Tilapia reared in CW-RAS with replacemen Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

t of fishmeal with SBY showed a significantly (p<0.05) lower weight gain, daily weight and specific growth rate than fish in Bio-RAS when all diet gro

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

ups per treatment was combined. However, at diet group level this difference was significant only in the 100% replacement group of CW-RAS when compare

Brewer’s yeast as a protein source in the diet of tilapia (Oreochromis niloticusj and freshwater prawns (Macrobrachium rosenbergii) reared in a clear

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment respectively. The study demonstrated that tilapia reared in the Bio-RAS had a higher capacity to compensate for a reduction in dietary protein levels,

as demonstrated by a higher growth rate than in fish reared in CW-RAS. The apparent digestibility of crude protein by tilapia was high in diets with Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

high crude protein, but there was no difference between the two rearing systems.SBY replace up to 100% of soybean meal without a significant reduction

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

in tilapia growth. Tilapia exhibited the best performance when fed a diet where 30% soybean meal was replaced with SBY.Tins thesis concludes that SBY

Brewer’s yeast as a protein source in the diet of tilapia (Oreochromis niloticusj and freshwater prawns (Macrobrachium rosenbergii) reared in a clear

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment protein requirement of tilapia can be reduced if reared in a high-density microbial environment, i.e. a so-called Bio-RAS.Keywords: Nile tilapia, spen

t brewer's yeast. Bio-RAS. CW-RAS, biofloc, freshwater prawns, alternative protein, growth performance, recirculation system, soybean mealAuthor's add Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

ress: Nguyen Huu Yen Nhi,Department of Aquaculture, An Giang University. P.O. Box: 18. Ung Van Khiem, Dong Xuyen ward. Long Xuyen city. An Giang provi

Brewer’s yeast as a protein source in the diet of tilapia oreochromis niloticus and freshwater prawns macrobrachium rosenbergii reared in a clear water or biofloc environment

nce. Viet Nam.Email: nhynhiagu.edu.vn or nguyenhuuyennhigmail.comDedicationTo my parents with my respectful gratitude, My husband Nguyen Thanh Tam.My

Brewer’s yeast as a protein source in the diet of tilapia (Oreochromis niloticusj and freshwater prawns (Macrobrachium rosenbergii) reared in a clear

Brewer’s yeast as a protein source in the diet of tilapia (Oreochromis niloticusj and freshwater prawns (Macrobrachium rosenbergii) reared in a clear

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