Effects of pretreatment with microbial phytase on phosphorous utilization and growth performance of Nile tilapia (Oreochromis niloticus)
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The results showed that diets pretreated with phytase gave better growth performance, feed conversion ratio and protein efficiency ratio of Nile tilapia compared with thephytase control diet and pretreatment control diet (P 0.05).Abstract:
This study was to assess effects of the pretreatment in allplant based diets with microbial phytase on phosphorous utilization and growth performance of Nile tilapia (Oreochromis niloticus). Pretreatment trials were conducted using phytase at graded doses to determine the optimal dose of phytase. Available phosphorus (P) levels increased significantly with the increased doses of phytase and the dose of 1000 U kg )1 was most efficient. Based on the pretreatment trials, plant based diets for Nile tilapia were formulated by pretreating with phytase at 1000 U kg )1 . Experimental diets were supplemented with graded levels of mono calcium phosphate (MCP) at 25, 18.75, 12.5, 6.25 and 0 g kg )1 diet. In addition, there were three controls: one phytase control, one inorganic P control and one pretreatment control. The results showed that diets pretreated with phytase gave better growth performance, feed conversion ratio and protein efficiency ratio of Nile tilapia compared with the phytase control diet and pretreatment control diet (P 0.05), which resulted in significantly better performance than those at 6.25 and 0 g kg )1 (P 0.05).read more
Citations
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Journal ArticleDOI
Evaluation of Phytase-producing Ability by a Fish Gut Bacterium, Bacillus subtilis subsp. subtilis
Paramita Das,Koushik Ghosh +1 more
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The potential use of legume-based diets supplemented with microbial phytase on the growth performance and feed efficiency of sea bass, Lates calcarifer.
TL;DR: Results from the present study showed that incorporation of dietary microbial phytase in legume based diets slightly improve the growth performance and P availability in sea bass juveniles.
Journal ArticleDOI
Effectiveness of phytase pre-treatment on growth performance, nutrient digestibility and mineral status of common carp (Cyprinus carpio) juveniles fed Moringa by-product based diet
Muhammad Mudassar Shahzad,S. Bashir,Sajid Hussain,Arshad Javid,Muhammad Hussain,Nazeer Ahmed,M.K.A. Khan,Muhammad Furqan,Iram Liaqat,Tahir Rafique,Fatima Khalid +10 more
TL;DR: In this article, a study was performed to check the improvement of overall performance of Cyprinus carpio fingerlings by the help of phytase addition in Moringa oleifera by-products based diet.
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Effects of Dietary Supplements on Growth Performance and Phosphorus Waste Production of Australian Catfish, Tandanus Tandanus, Fed with Diets Containing Canola Meal as Fishmeal Replacement
TL;DR: It was concluded that the use of canola meal in combination with inorganic P in diets for Australian catfish could significantly increase nutrient pollution in aquaculture.
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Partial replacement of fish meal by soybean meal with or without methionine and phytase supplement in diets for juvenile Chinese sucker, Myxocyprinus asiaticus
TL;DR: SBM with methionine and phytase supplement significantly improved the growth of fish and apparent digestibility coefficients of phosphorus compared with the groups which fed diet SBM and diet SM, and fish fed SMP1500 showed optimum weight gain and ADC of phosphorus between these three groups.
References
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Standard methods for the examination of water and wastewater
TL;DR: The most widely read reference in the water industry, Water Industry Reference as discussed by the authors, is a comprehensive reference tool for water analysis methods that covers all aspects of USEPA-approved water analysis.
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Principles and Procedures of Statistics.
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