{"refrec":{"BRefID":206523,"RR":"Carter, C.G.; Sajjadi, M. (2011). Low fishmeal diets for Atlantic salmon, Salmo salar L., using soy protein concentrate treated with graded levels of phytase. Aquacult. Int. 19(3): 431-444. https://dx.doi.org/10.1007/s10499-010-9358-z","BEntID":198622,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". Aquacult. Int. 19(3): 431-444. https://dx.doi.org/10.1007/s10499-010-9358-z","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":1,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Carter, C.G.; Sajjadi, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Carter, C.G.; Sajjadi, M.","Englishabstract":"The experiment aimed at determining the efficient use of phytase (Phy) in Atlantic salmon diets that had low (4.5%) fishmeal and contained 60% soy protein concentrate (SPC). Phytase was either included at 250, 500, 1,000 or 4,000 U Phy kg−1 diet or the SPC was pre-treated prior to making diets using 250, 500 or 1,000 U Phy kg−1 SPC. Fish were fed the experimental diets for 12 weeks, and there were no differences in survival among treatments nor were there differences in growth performance between the phytase-pre-treated SPC diets. Feed intake and weight gain were significantly lower for diets supplemented below 1,000 U Phy kg−1 compared to all other diets. Apparent digestibility (AD) of phosphorus was significantly lower without the use of phytase (45.43 ± 2.06%) than for all other treatments. AD phosphorus increased from 55.70 ± 1.81% at the lowest phytase supplementation (250 U Phy kg−1) to 80.87 ± 2.12% at the highest (4,000 U Phy kg−1). There was no difference in AD phosphorus between the diet with the highest supplementation (4,000 U Phy kg−1) and the pre-treated diets. There were no differences in whole-body dry material, crude protein or total lipid, whereas bone ash was significantly lower for diets supplemented below 1,000 U Phy kg−1. Ash and phosphorus in the whole body and bone increased with increasing added phytase. At and above an inclusion of 1,000 U Phy kg−1, bone ash (51.26 ± 0.12% bone weight) and bone phosphorus (11.21 ± 0.04% bone weight) reached concentrations that were no different to the pre-treated diets. In conclusion, phytase improved Atlantic salmon’s growth performance fed low fishmeal diets containing SPC, and at least 1,000 U Phy kg−1 diet was required to have the same effect as pre-treatment of SPC with 250 U Phy kg−1 SPC. ","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Low fishmeal diets for Atlantic salmon, Salmo salar L., using soy protein concentrate treated with graded levels of phytase","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-11 01:31:44.019845","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Feed enzyme; Fishmeal replacement; Phytase; Salmonid; Soybean;Supplementary dietary enzyme","OtherDescriptors":null,"Notes":null,"AnaPub":2011,"MonPub":null,"DateUpdate":"2020-11-04","DateCreate":"2011-07-26","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000290318300004","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s10499-010-9358-z"},"refs":null,"anarec":{"AnaID":206523,"PubliDate":2011,"Pagination":"431-444","XtraPublOfAnaID":null,"ISBN":null,"Volume":"19","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44242,"SerRR":"Aquaculture International. Springer: London. ISSN 0967-6120; e-ISSN 1573-143X","StandardTitleSer":"Aquaculture International","ISSN":"0967-6120","AbbrevSer":"Aquacult. 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