Experimental approach to optimize phytate phosphorus utilization by broiler chickens by addition of supplements
نویسندگان
چکیده
منابع مشابه
Phytate utilization and phosphorus excretion by broiler chickens fed diets containing cereal grains varying in phytate and phytase content
Eighty, 12-day-old, male broiler chicks, were fed one of four diets to determine the effects of feeding grains varying in phytate phosphorus (P) and intrinsic phytase activity on ileal and excreta P digestibility and composition. The diets contained approximately 970.7 g grain kg−1 (maize, high fat–low lignin oat, normal barley or low-phytate barley) with the cereal supplying the sole source of...
متن کاملEffects of steam pelleting and extrusion of feed on phytate phosphorus utilization in broiler chickens.
Three experiments were conducted to determine the effects of pelleting and extrusion of feeds on the utilization of phytate P by broilers. The first experiment investigated the effects of pelleting the whole corn-soybean meal (SBM) diet, the corn, or SBM separately on phytate P utilization. The P-deficient basal diet contained 0.5% total P and 0.2% phytate P. Steam pelleting the whole diet, the...
متن کاملEffectiveness of an experimental consensus phytase in improving dietary phytate-phosphorus utilization by weanling pigs.
Consensus phytase is a new biosynthetic, heat-stable enzyme derived from the sequences of multiple homologous phytases. Two experiments were conducted to determine its effectiveness, relative to inorganic P and a mutant enzyme of Escherichia coli phytase (Mutant-EP), in improving dietary phytate-P availability to pigs. In Exp. 1, 36 pigs (3 wk old, 7.00 +/- 0.24 kg of BW) were fed a low-P corn-...
متن کاملImpact of antimicrobials with or without the addition of phytase on phosphorus digestibility and utilization in swine and broiler chickens
McCormick, Katherine. M. S., Purdue University, May 2014. Impact of antimicrobials with or without the addition of phytase on phosphorus digestibility and utilization in swine and broiler chickens. Major Professor: Dr. Olayiwola Adeola. Three studies were conducted for this thesis. In study 1, effects of antimicrobials on nutrient digestibility and retention of 18 to 20-kg pigs was investigated...
متن کاملP122 Effects of phytase supplementation on ileal digestibility of phytate phosphorus and total phosphorus of feed ingredients for broiler chickens
This study aimed to evaluate the effect of a heat stable phytase derived from Citrobacter braakii on true digestibility of P and on phytate dephosphorylation at the terminal ileum segment in broiler chickens. Four semi-synthetic diets, each containing either wheat, maize, soybean meal or rapeseed meal as the only source of phosphorus and calcium were supplemented with microbial phytase at 1000 ...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 2009
ISSN: 0032-5791
DOI: 10.3382/ps.2008-00481