Viveros, A, Centeno, C, Brenes, A, et al. (2000) Phytase and acid phosphatase activities in plant feedstuffs. J Agric Food Chem
Noureddini, H & Dang, J (2009) Degradation of phytates in distillers grains and corn gluten feed by Aspergillus niger phytase. Appl Biochem Biotechnol
Varley, PF, Callan, JJ & O'Doherty, JV (2010) Effect of phosphorus level and phytase inclusion on the performance, bone mineral concentration, apparent nutrient digestibility, and on mineral and nitrogen utilisation in finisher pigs. Irish J Agric Res
Harper, AF, Kornegay, ET & Schell, TC (1997) Phytase supplementation of low-phosphorus growing-finishing pig diets improves performance, phosphorus digestibility, bone mineralization and reduces phosphorus excretion. J Anim Sci
Selle, PH, Cowieson, AJ, Cowieson, NP, et al. (2012) Protein–phytate interactions in pig and poultry nutrition: a reappraisal. Nutr Res Rev
Johnston, SL, Williams, SB, Southern, LL, et al. (2004) Effect of phytase addition and dietary calcium and phosphorus levels on plasma metabolites and ileal and total-tract nutrient digestibility in pigs. J Anim Sci
Bikker, P, van Diepen, JT, Binnendijk, GP, et al. (2012) Phytase inclusion in pig diets improves zinc status but its effect on copper availability is inconsistent. J Anim Sci
Selle, PH, Ravindran, V, Ravindran, G, et al. (2003) Influence of phytase and xylanase supplementation on growth performance and nutrient utilisation of broilers offered wheat-based diets. Asian Austral J Anim
Lei, XG, Ku, PK, Miller, ER, et al. (1993) Supplemental microbial phytase improves bioavailability of dietary zinc to weanling pigs. J Nutr
Dyer, J, Vayro, S & Shirazi-Beechey, SP (2003) Mechanism of glucose sensing in the small intestine. Biochem Soc Trans
Dyer, J, Salmon, KS, Zibrik, L, et al. (2005) Expression of sweet taste receptors of the T1R family in the intestinal tract and enteroendocrine cells. Biochem Soc Trans
Dyer, J, Al-Rammahi, M, Waterfall, L, et al. (2009) Adaptive response of equine intestinal Na+/glucose co-transporter (SGLT1) to an increase in dietary soluble carbohydrate. Eur J Physiol
Varley, PF, Sweeney, T, Ryan, MT, et al. (2011) The effect of phosphorus restriction during the weaner–grower phase on compensatory growth, serum osteocalcin and bone mineralization in gilts. Livest Sci
NRC (2012) Nutrient Requirements of Swine, 10th ed. pp. 111–141. Washington, DC: National Academy Press. .
McCarthy, JF, Bowland, JP & Aherne, FX (1977) Influence of method upon the determination of apparent digestibility in the pig. Can J Anim Sci
Heim, G, Walsh, AM, Sweeney, T, et al. (2014) Effect of seaweed-derived laminarin and fucoidan and zinc oxide on gut morphology, nutrient transporters, nutrient digestibility, growth performance and selected microbial populations in weaned pigs. Br J Nutr
Sweeney, T, Collins, CB, Reilly, P, et al. (2012) Effect of purified beta-glucans derived from Laminaria digitata, Laminaria hyperborea and Saccharomyces cerevisiae on piglet performance, selected bacterial populations, volatile fatty acids and pro-inflammatory cytokines in the gastrointestinal tract of pigs. Br J Nutr
AOAC (1995) Official Methods of Analysis, 16th ed.
Washington, DC: AOAC.
Ramakrishna, TV & Robinson, JW (1968) The determination of calcium and magnesium in acetylene flames. Anal Chim Acta
Cavell, AJ (1955) The spectrophotometric determination of phosphorus in plant material. J Sci Food Agric
O'Shea, CJ, McAlpine, P, Sweeney, T, et al. (2014) Effect of the interaction of seaweed extracts containing laminarin and fucoidan with zinc oxide on the growth performance, digestibility and faecal characteristics of growing piglets. Br J Nutr
Van Soest, PJ, Robertson, JB & Lewis, BA (1991) Methods for dietary fibre, neutral detergent fibre and non starch polysaccharides in relation to animal nutrition. J Dairy Sci
McCarthy, J, Aherne, F & Okai, D (1974) Use of 4N HCl insoluble ash as an index material for determining apparent digestibility with pigs. Can J Anim Sci
Brady, SM, Callan, JJ, Cowan, D, et al. (2003) Effect of two microbial phytases on the performance and nutrient retention on grower-finisher pigs fed barley–maize–soyabean meal-based diets. Irish J Agric Res
Engelen, AJ, van der Heeft, FC, Randsdorp, PH, et al. (2001) Determination of phytase activity in feed by a colorimetric enzymatic method: collaborative interlaboratory study. J AOAC Int
Giancoli, DC, Corey, P and Mullaney, R (editors) (1998) Physics, Buoyancy and Archimedes Principle. pp. 282–285. Upper Saddle River: Prentice Hall.
Hellemans, J, Mortier, G, De Paepe, A, et al. (2007) qBase relative quantification framework and software for management and automated analysis of real-time quantitative PCR data. Genome Biol
Statistical Analysis Systems Institute (1985) Statistical Analysis Systems, Version 6.12. Cary, NC: SAS Institute, Inc.
Lei, XG & Stahl, CH (2000) Nutritional benefits of phytase and dietary determinants of its efficacy. J Appl Anim Res
Vats, P, Bhattacharyya, MS & Banerjee, UC (2005) Use of phytases (myo-inositolhexakisphosphate phosphohydrolases) for combatting environmental pollution: a biological approach. Crit Rev Environ Sci Technol
Woyengo, TA, Sands, JS, Guenter, W, et al. (2008) Nutrient digestibility and performance responses of growing pigs fed phytase- and xylanase-supplemented wheat-based diets. J Anim Sci
Varley, PF, Flynn, B, Callan, JJ, et al. (2011) Effect of phytase level in a low phosphorus diet on performance and bone development in weaner pigs and the subsequent effect on finisher pig bone development. Livest Sci
Selle, PH & Ravindran, V (2007) Microbial phytase in poultry nutrition. Anim Feed Sci Technol
Selle, PH, Ravindran, V, Ravindran, G, et al. (2007) Effects of dietary lysine and microbial phytase on growth performance and nutrient utilisation of broiler chickens. Asian Austral J Anim
Wang, X, Zeng, P, Feng, Y, et al. (2012) Effects of dietary lysine levels on apparent nutrient digestibility and cationic amino acid transporter mRNA abundance in the small intestine of finishing pigs, Sus scrofa
. Anim Sci J
Fei, YJ (1994) Expression cloning of a mammalian proton-coupled oligopeptide transporter. Nature
Gilbert, ER, Wong, EA & Webb, KE (2008) Board-invited review: peptide absorption and utilization: implications for animal nutrition and health. J Anim Sci
Moran, AW, Al-Rammahi, MA, Arora, DK, et al. (2010) Expression of Na+/glucose co-transporter 1 (SGLT1) in the intestine of piglets weaned to different concentrations of dietary carbohydrate. Br J Nutr
Yoon, JH, Thompson, LU & Jenkins, DJ (1983) The effect of phytic acid on in vitro rate of starch digestibility and blood glucose response. Am J Clin Nutr
Woyengo, TA, Rodriguez-Lecompte, JC, Adeola, O, et al. (2011) Histomorphology and small intestinal sodium-dependent glucose transporter 1 gene expression in piglets fed phytic acid and phytase-supplemented diets. J Anim Sci
Kellett, GL & Brot-Laroche, E (2005) Apical GLUT2: a major pathway of intestinal sugar absorption. Diabetes
Zaefarian, F, Romero, LF & Ravindran, V (2013) Influence of a microbial phytase on the performance and the utilisation of energy, crude protein and fatty acids of young broilers fed on phosphorus adequate maize and wheat based diets. Br Poult Sci
Ravindran, V, Selle, PH, Ravindran, G, et al. (2001) Microbial phytase improves performance, apparent metabolizable energy, and ileal amino acid digestibility of broilers fed a lysine-deficient diet. Poult Sci
Graf, E (1983) Calcium binding to phytic acid. J Agric Food Chem
Song, Y, Peng, X, Porta, A, et al. (2003) Calcium transporter 1 and epithelial calcium channel messenger ribonucleic acid are differentially regulated by 1,25 dihydroxyvitamin D3 in the intestine and kidney of mice. Endocrinology
Li, J (2012) The influence of dietary calcium and phosphorus imbalance on intestinal NaPi-IIb and calbindin mRNA expression and tibia parameters of broilers. Asian Austral J Anim
Fan, MZ, Shen, Y, Yin, YL, et al. (2008) Methodological considerations for measuring phosphorus utilization in pigs. pp. 370–397. In Mathematical Modelling in Animal Nutrition. Wallingford: CAB International.
Sauvant, D, Perez, JM and Tran, G (editors) (2004) Table of Composition and Nutritional Value of Feed Materials. Pigs, Poultry, Cattle, Sheep, Goats, Rabbits, Horses, Fish. Wageningen: Wageningen Academic Publishers.