Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 21 for “"microbial phytase"”.
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Supplementing microbial phytase to diets for swine and poultry
… conducted to determine the efficacy of Natuphos® phytase for improving the bioavailabilities of phytate P and other nutrients (CP, AA, Ca, and Zn) bound to phytate in the diets for pigs, broilers, and turkey poults, and to evaluate P and Zn equivalency values of phytase. In a 5-wk study with young …
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Application of microbial phytase and its influencing factors in vivo and in vitro
… conducted in vivo to investigate the efficacy of phytase in improving the availability of phytate P as influenced by dietary Ca:total P (tP) ratios for pigs, broilers, and turkey poults. In pigs and poultry, microbial phytase was effective in improving performance, P and Ca digestibility, bone …
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Quantifying the Effects of Microbial Phytase and Diet Acidity on Ca and P Utilization by Weanling Pigs
… 1) and Ca (Exp. 2 and 3) equivalency values of microbial phytase based on performance, rib mineralization and P and Ca digestibility estimates, and to investigate the possible interactions of phytase and citric acid (Exp. 4 and 5). In Exp. 1, adding phytase to low P diets linearly increased ADG …
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Effects of microbial phytase in pig diets on calcium requirements, post-weaning growth performance, phytate degradation, and nutrient digestibility
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2023-12-01
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Digestibility of calcium and phosphorus and effects of microbial phytase in diets fed to growing pigs or gestating sows
… to demonstrate the interactions among Ca, P, and phytase in diets fed to gestation sows or growing pigs. In Exp. 1, two experiments were conducted to test the hypothesis that standardized total tract digestibility (STTD) of Ca and the response to microbial phytase is constant among different …
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Protein, Phosphorus, and Energy Utilization in Young Chickens and Pigs as Affected by Microbial Phytase and Nutritionally -Enhanced Corn Hybrids
… were conducted to evaluate the efficacy of phytase for improving protein-amino acid (AA) utilization in corn gluten meal (CGM) and soybean meal (SBM) for young chickens and pigs using slope-ratio growth, protein accretion, and protein efficiency ratio (g weight gain/g protein intake) assays. …
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Effects of microbial phytase on the standardized total tract digestibility of phosphorus in soybean meal, corn, and corn co-products
… were conducted to investigate the effects of microbial phytase on the standardized total tract digestibility (STTD) of P in soybean meal (SBM), corn, and corn co-products. The objective of Exp. 1 was to measure the STTD of P in SBM, corn, and distillers dried grains with solubles (DDGS) …
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The nutritional value of hybrid rye fed to growing pigs
… with each cereal grain; the first contained no microbial phytase, and the second contained 1,000 units of microbial phytase per kg of diet. Among the diets that did not include microbial phytase, one hybrid of rye had greater (P < 0.05) STTD of P than wheat, corn, and sorghum. Among the diets …
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The Use of Steered Ileo-cecal Valve Cannulated Pigs to Evaluate the Effects of Adding Phytase or Beta-mannanase to the Diet on Amino Acid, Mineral and Energy Utilization
… the effects of supplementing swine diets with microbial phytase or beta-mannanase on the apparent ileal (AID) and/or apparent total tract digestibility (ATTD) of amino acids, N, Ca, P, DM and energy. In Exp. 1, the addition of phytase to low CP corn-soybean meal based diets increased the AID of …
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Digestibility of calcium and digestible calcium requirements in pigs
… in a number of feed ingredients without and with microbial phytase. Results of Exp. 1 indicated that regardless of inclusion of microbial phytase, monocalcium phosphate had the greatest (P < 0.05) STTD of Ca. The STTD of Ca in dicalcium phosphate was greater (P < 0.05) than in calcium carbonate, …
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Evaluation of high-protein canola meals fed to growing chicks and weanling pigs
… P bioavailability was increased by addition of microbial phytase to a P-deficient CMA diet. Results indicated that as P level was increased by addition of KH2PO4, CMA, CMB, or SBM, weight gain and tibia ash (mg/tibia and %) were increased linearly (P < 0.05). Based on tibia ash %, …
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Aspects of calcium digestibility in pigs
… losses of Ca and determine the effects of phytase, phytate, source of dietary Ca, and Ca level on Ca digestibility. The first objective of Exp. 1 was to test the hypothesis that endogenous Ca is lost from the gastrointestinal tract of growing pigs, and that values for true total tract …
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Evaluation of the nutritional value of canola meal, 00-rapeseed meal, and 00-rapeseed expellers fed to pigs
… expellers, and to determine the effect of using microbial phytase in diets containing canola meal, 00-rapeseed meal, and 00-rapeseed expellers. The ATTD and STTD of P were 44.99 and 48.82% in canola meal, 45.77 and 50.36% in 00-rapeseed meal, and 44.83 and 48.60% in 00-rapeseed expellers. The …
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Composition and digestibility of different sources of feed phosphates by growing pigs
… P in feed phosphates was increased by the use of microbial phytase when fed to growing pigs. A source of MCP, one source of MSP, and one source of MgP were procured. Three corn-soybean based diets were formulated to included 0, 500, or 4,000 units of microbial phytase (FTU) per kg but with no …
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Nutritional evaluation of rice coproducts fed to pigs
… DFRB, brown rice, and broken rice is improved if microbial xylanase is added to the diet was tested. Results indicated that concentrations of DE and ME (DM basis) in FFRB and DFRB increased (P < 0.05) if xylanase was used. Broken rice had a greater (P < 0.05) concentration of DE and ME than FFRB …
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Efficacy and safety of a new genetically modified phytase for improving dietary phosphorus utilization of swine and poultry
… to evaluate the efficacy and safety of a microbial phytase (Novo SP938) in weanling and grower pigs, and starter turkeys fed corn-soybean meal based diets. Pig and turkey BW and pen feed consumption were recorded weekly. Fecal and excreta samples were collected for determination of Ca and …
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Nutritional evaluation of fermented soybean meal fed to weanling pigs
… (STTD) of P without or with the addition of microbial phytase (Optiphos 2000, Enzyvia, Sheridan, IN) in FSBM and SBM-CV. Four diets were formulated to contain FSBM or SBM-CV and either 0 or 800 units/kg of microbial phytase. The only sources of P in these diets were FSBM and SBM-CV. A P-free …
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The nutritional value of flaxseed meal for swine
… containing FSM, and to determine the effects of microbial phytase inclusion of this availability. Five treatment groups, 8 barrows (45 ± 4 kg initial weight) each, were fed a diet containing 30% FSM with increasing levels of phytase (0, 575, 1185, 2400 and 2570 FTU/kg). Apparent P digestibility …
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Reducing Nutrient Excretion via Improved Nutrient Utilization by Supplementing Pig and Poultry Diets with Phytase Enzyme
… was conducted to investigate the efficacy of phytase for improving the nutrient utilization for pigs and poultry. Two experiments, one with broilers and one with pigs, were conducted to compare the efficiency of transgenic microbial (Natuphosà ) and plant (Phytaseedà ) phytase for enhancing …
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Effects of origin on the nutritional value of soybean meal
… and 2) to test the hypothesis that inclusion of microbial phytase will increase the ATTD and STTD of P in SBM. Results indicated that the total concentration of P was 0.63, 0.65, 0.67, and 0.64% for SBM from Zones 1, 2, 3, and 4, respectively, and there was a tendency (P < 0.10) for a reduced …
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