Iji, Paul
From Poultry Hub
Name: Paul Iji
Contents |
Position(s)
- Project Leader, Poultry CRC
- Associate Professor, University of New England
Qualifications
- BSc Hons (Maid), MSc (Aberd), PhD (Adel), GCHE (NE)
Areas of expertise
- Nutrition; Digestive physiology; Production systems
Recent Journal Publications
- Vidanaracchi, J.K., Iji, P.A., Mikkelsen, L.L. and Choct, M. (2009). Isolation and characterisation of water-soluble prebiotic compounds from Australian and New Zealand plants. Carbohydrate Polymers (in press).
- Shakouri, M.D., Iji, P.A., Mikkelsen, L.L. and Cowieson, A.J. (2009). Intestinal function and gut microflora of broiler chickens as influenced by cereal grains and microbial enzyme supplementation. Journal of Animal Physiology and Animal Nutrition (in press).
- Chauynarong, N., Elangovan, A.V. and Iji, P.A. (2009). The potential of cassava products in diets for poultry. World’s Poultry Science Journal 65, 23-35.
- Bao, Y.M., Choct, M., Iji, P.A. and Bruerton, K. (2009). Optimal organically complexed Zn for broiler chickens. British Poultry Science 50, 95-102.
- Yang, Y., Iji, P.A. and Choct, M. (2009). Dietary modulation of gut microflora in broiler chickens: a review of the role of six kinds of alternatives to in-feed antibiotics. World’s Poultry Science Journal 65, 97-114.
- Yang, Y., Iji, P.A., Kocher, A., Mikkelsen, L. L. and Choct, M. (2008). Effects of xylanase on growth and gut development of broiler chickens given a wheat-based diet. Asian-Australasian Journal of Animal Science 21, 1659-1664.
- Yang, Y., Iji, P.A., Kocher, A., Mikkelsen, L. L. and Choct, M. (2008). Effects of dietary mannanoligosaccharide on growth performance, nutrient digestibility and gut development of broilers given different cereal-based diets. Journal of Animal Physiology and Animal Nutrition 92, 650-659.
- Yang, Y., Iji, P.A., Kocher, A., Mikkelsen, L.L. and Choct, M. (2008). The effects of mannanoligosaccharide and fructooligosaccharide on the response of broilers to pathogenic Escherichia coli challenge. British Poultry Science 49, 550 - 559.
- Iji, P.A. (2008). Intestinal development and nutrient utilization in the ostrich: a brief review. Australian Journal of Experimental Agriculture 48, 1280-1283.
- Yang, Y., Iji, P.A., Kocher, A., Thomson, E., Mikkelsen, L.L. and Choct, M. (2008). Effects of mannanoligosaccharide in broiler chicken diets on growth performance, energy utilization, nutrient digestibility, and intestinal microflora. British Poultry Science 49, 186-194.
- Chauynarong, N., Iji, P. A., Isariyodom, S. and Mikkelsen, L. L. (2008) The influence of an enxogenous microbial enzyme supplement on feed consumption, body growth and follicular development of pre-lay pullets on maize-soy diets. International Journal of Poultry Science 7, 257-262.
- Bao, Y.M., Choct, M., Iji, P.A. and Bruerton, K. (2007). Effect of organically-complexed Cu, Fe, Mn and Zn supplements on broiler performance, mineral excretion and accumulation in tissues. Journal of Applied Poultry Research 16: 448-455.
- Yang, Y., Iji, P.A. and Choct, M. (2007). Effects of different dietary levels of manno-oligosaccharide on growth performance and gut development of broiler chickens. Asian-Australasian Journal of Animal Science 20, 1084-1091.
- Yang, Y., Iji, P.A., Kocher, A., Mikkelsen, L.L. and Choct, M. (2007). Effects of mannanoligosaccharide on growth performance, the development of gut microflora and gut function of broiler chickens raised on new litter. Journal of Applied Poultry Research 16, 280-288.
- Njobeh, P.B., Iji, P.A. and Nsahlai, I.V. (2006). Influence of composition and storage conditions on the concentrations of free fatty acids and peroxides in broiler diets. International Journal of Poultry Science 5, 279-283.
- Njobeh, P.B., Iji, P.A., Nsahlai, I.V. and Slippers, S.C. (2004). The effect of storage condition and preservatives on maize-based diets for broiler chickens. South African Journal of Animal Science 34, 274-280.
- Iji, P.A., Khumalo, K., Slippers, S. and Gous, R.M. (2004). Intestinal function and body growth of broiler chickens on maize-based diets supplemented with mimosa tannins and a microbial enzyme. Journal of the Science of Food & Agriculture 84, 1451-1458.
- Ngwa, A.T., Nsahlai, I.V. and Iji, P.A. (2004). Ensilage as a means of reducing the concentration of cyanogenic glycosides in the pods of Acacia sieberiana and the effect of additives on silage quality. Journal of the Science of Food & Agriculture 84, 521-529.
- Iji, P.A., Khumalo, K., Slippers, S. and Gous, R.M. (2003). Intestinal function and body growth of broiler chickens on diets based on maize dried at different temperature and supplemented with a microbial enzyme. Reproduction, Nutrition, Development 43, 77-90.
- Iji, P.A., van der Walt, J.G., Brand, T.S., Boomker, E.A. and Booyse, D. (2003). Development of digestive function in the ostrich (Struthio camelus). Archives of Animal Nutrition 57, 217-228.
- Swatson, H.K., Iji, P.A. and Gous, R.M. (2003). Body growth, visceral organ weight and intestinal digestive enzyme of chickens on diets varying in energy and protein contents. Journal of Animal and Veterinary Advances 2, 305-311.
- Ngwa, A.T., Nsahlai, I.V. and Iji, P.A. (2003). Effect of feeding legume pods or alfalfa in combination with poor quality hay on microbial enzyme activity and production of volatile fatty acids in the rumen of South African Merino sheep. Small Ruminant Research 48, 83 - 94.
- Ferguson, N.S., Gous, R.M and Iji, P.A. (2003). Determining the source of anti-nutritional factor(s) found in two species of lupin (L. albus and L. angustifolius) fed to growing pigs. Livestock Production Science 84, 83-91.
- Saki, A.A., Iji, P.A. and Tivey, D.R. (2002). Intestinal function and reproductive capacity of Tegel pullets in response to exogenous oestrogen. Archives of Animal Nutrition 56, 237-244.
- Iji, PA., Gous, R.M., Khumalo, K. and Zamxaka, C. (2002). Digestive enzyme activities of breeder pullets suffering from stunting syndrome. International Journal of Poultry Science 1, 78-81.
- Swatson, H.K., Gous, R.M., Iji, P.A. and Zarrinkalam, R. (2002). The effects of varying dietary protein content, amino acid balance and feeding level on the body growth, visceral organ development, mucosal structure and digestive function in broiler chickens. Animal Research 51, 501-515.
- Van Dyk, R.J., Downs, C.T. and Iji, P.A. (2002). Wax digestion by the Lesser Honeyguide Indicator minor. Comparative Biochemistry and Physiology 133, 125-135.
- Ngwa, A.T., Nsahlai, I.V. and Iji, P.A. (2002). Effect of supplementing veld hay with a dry meal or silage from Acacia sieberiana with or without wheat bran on voluntary intake, digestibility, excretion of purine derivatives, nitrogen utilization, and weight gain in South African Merino sheep. Livestock Production Science 77, 253-264.
- Akingbade, A.A., Nsahlai, I.V., Morris, C.D. and Iji, P.A. (2002). Field activities and blood profile of pregnant South African indigenous goats after receiving dihydroxy pyridone-degrading rumen bacteria and grazing Leucaena leucocephala-grass or natural pasture. Journal of Agricultural Science, Cambridge 138, 103-113.
- Iji, P.A., Saki, A. and Tivey, D.R. (2001). Intestinal development and body growth of broiler chicks on diets supplemented with non-starch polysaccharides. Animal Feed Science & Technology 89, 175-188.
- Iji, P.A., Saki, A. and Tivey, D.R. (2001). Body and intestinal growth of broiler chicks on a commercial starter diet. 1. Intestinal weight and mucosal development. British Poultry Science 42, 505-513.
- Iji, P.A., Saki, A. and Tivey, D.R. (2001). Body and intestinal growth of broiler chicks on a commercial starter diet. 2. Development and characteristics of intestinal enzymes. British Poultry Science 42, 514-522.
- Iji, P.A., Saki, A. and Tivey, D.R. (2001). Body and intestinal growth of broiler chicks on a commercial starter diet. 3. Development and characteristics of tryptophan transport. British Poultry Science 42, 523-529.
- Iji, P.A., Saki, A. and Tivey, D.R. (2001). Intestinal structure and function of broiler chickens on diets supplemented with a mannan oligosaccharide. Journal of the Science of Food & Agriculture 81, 1186-1192.
- Iji, P.A., Hughes, R.J. and Tivey, D.R. (2001). Intestinal structure and function of broiler chickens on wheat-based diets supplemented with a microbial enzyme. Asia-Australasia Journal of Animal Sciences 14, 54-60.
- Gous, R.M. and Iji P.A. (2001). Evaluating the route of administration of an exogenous microbial enzyme for broiler chickens. Journal of Applied Poultry Research 10, 150-153.
- Iji, P.A., Hughes, R.J., Choct, M. and Tivey, D.R. (2000). The response of broiler chicks to diets supplemented with whole or oligosaccharide-free lupin seed meals. South African Journal of Animal Science 30 (Supplement 1), 63-64.
- Swatson, H.K., Gous, R.M. and Iji, P.A. (2000). Biological performance and gastrointestinal development of broiler chicks fed diets varying in energy:protein ratios. South African Journal of Animal Science 30 (Supplement 1), 136-137.
Recent Conference Presentations
Invited Presentations:
- Iji, P.A. (2008). Is poor gastrointestinal development a limitation to survival and growth of neo-natal ostriches. Proceedings of the 23rd World’s Poultry Congress, Brisbane, June/July, 2008, p654.
- Iji, P.A. and Vidanarachchi, J. (2007). Poultry production without antibiotic growth promoters. Proceedings of the 26th Scientific Day, World’s Poultry Science Association, South Africa Branch, CSIR, Pretoria, South Africa, October 2007, pp. 50-59.
- Iji, P.A., Gao, F., Qu, M.R., Chee, S.H. and Bao, Y.M. (2007). Early-age feeding strategies to improve the performance of broiler chickens. Recent Advances in Animal Nutrition in Australia 16, 165-168.
- Iji, P.A. (2007). The gut-nutrient interphase: How nutrients affect intestinal function and health. In: Science to solutions. Invited paper presented at the 8th Asian-Pacific Poultry Conference, Bangkok, Thailand, pp. 318-327.
- Iji, P.A., van der Walt, J.G., Brand, T.S., Boomker, E.A. and Booyse, D. (2003). Development of digestive function in the ostrich (Struthio camelus). Proceedings of the 22nd Scientific Day, World’s Poultry Science Association, Southern African Branch, University of Pretoria, South Africa, August, 2003, pp. 29-34.
- Iji, P.A. and Tivey, D.R. (2000). Physiological assessment of intestinal structure and function in poultry. Proceedings of the 19th Scientific Day, World’s Poultry Science Association, Southern African Branch, University of Pretoria, South Africa, October, 2000, pp. 31-47.
- Iji, P.A. and Tivey, D.R. (1999). The use of oligosaccharides in broiler diets. Invited paper presented at the 12th European Symposium on Poultry Nutrition, 15-19 August, 1999, Veldhoven, The Netherlands, pp. 193-201. Refereed.
- Iji, P.A. and Tivey, D.R. (1999). The physiological response of broiler chickens to diets supplemented with a mannan-oligosaccharide. Proceedings of the 18th Scientific Day, World’s Poultry Science Association, Southern African Branch, University of Pretoria, South Africa, pp. 72-76.
Contributed Presentations:
- Olnood, C.G., Choct, M., Mikkelsen, L.L. and Iji, P.A. (2009). Effects of novel probiotic on growth performance and microbial composition of broiler chickens with Salmonella sofia challenge. Australia Poultry Science Symposium 20, 85-89.
- Chee, S.H., Iji, P.A., Choct, M., Mikkelsen, L.L. and Kocher, A. (2009). Impact of manno-oligosaccharides and dietary threonine on feed passage rate in broiler chickens. Australia Poultry Science Symposium 20, 124.
- Elangovan, A.V., Iji, P.A., Bhuiyan, M. and Jessop, R. (2009). The potential of high-yielding triticale varieties for poultry. Australia Poultry Science Symposium 20, 56.
- Bhuiyan, M., Iji, P.A. and Mikkelsen, L.L. (2009). Effects of grain source, comminution technique and particle size on nutritive value, feed utilization and growth of broiler chickens. Australia Poultry Science Symposium 20, 123.
- Ali, M. A., Iji, P.A., Macalpine, R. and Mikkelsen, L.L. (2009). The effect of litter material on productivity and health of broiler chickens. Australia Poultry Science Symposium 20, 77-80.
- Rodgers, N., Iji, P.A., Mikkelsen, L.L., Svihus, B., Hetland, H. and. Choct, M. (2009). Effect of grain particle size and milling method on broiler performance and apparent metabolisable energy. Australia Poultry Science Symposium 20, 133-166.
- Chee, S.H., Iji, P.A., Choct, M. and Mikkelsen, L.L. (2009). Intestinal nutrient uptake in response to manno-oligosaccharides and dietary threonine in broiler chickens. Australia Poultry Science Symposium 20, 44.
- Mikkelsen, L.L., Yan, S., Goopy, J.P. and Iji, P.A. (2008). Effect of grain type and particle size on growth performance and intestinal microbial populations in broiler chickens. Proceedings of the 23rd World’s Poultry Congress, Brisbane, June/July, 2008, p126.
- Sacranie, A., Iji, P.A., Mikkelsen, L.L. and Choct, M. (2008). Occurrence of reverse peristalsis in broiler and layer chickens. Proceedings of the 23rd World’s Poultry Congress, Brisbane, June/July, 2008, p197.
- Mikkelsen, L.L., Yan, S., Goopy, J.P. and Iji, P.A. (2008). Dietary fibre from acacia gum tree as an alternative to AGPs in broilers. Proceedings of the 23rd World’s Poultry Congress, Brisbane, June/July, 2008, p364.
- Bao, Y.M., Choct, M., Iji, P.A. and Bruerton, K. (2008). Organic zinc and broiler chicken nutrition. Proceedings of the 23rd World’s Poultry Congress, Brisbane, June/July, 2008, p399.
- Mikkelsen, L.L., Yan, S., Goopy, J.P. and Iji, P.A. (2008). Effect of grain type and particle size on growth performance and intestinal microbial populations in broiler chickens. Proceedings of the 23rd World’s Poultry Congress, Brisbane, June/July, 2008, p126.
- Iji, P.A. (2008). Is poor gastrointestinal development a limitation to survival and growth of neo-natal ostriches. Proceedings of the 23rd World’s Poultry Congress, Brisbane, June/July, 2008, p654.
- Iji, P.A., Gao, F., Qu, M.R., Chee, S.H. and Bao, Y.M. (2007). Early-age feeding strategies to improve the performance of broiler chickens. Recent Advances in Animal Nutrition in Australia 16, 165-168.
- Olnood, C.G., Mikkelsen, L.L., Choct, M. and Iji, P.A. (2007). Effects of novel probiotic feed additives on pH, volatile fatty acid content and bacteria in the broiler gut. Recent Advances in Animal Nutrition in Australia 16, 271.
- Bao, Y., Choct, M, Iji, P.A. and Bruerton, K. (2007). Interactions between Zn and other trace minerals in broiler chickens. Recent Advances in Animal Nutrition in Australia 16, 245.
- Chee, S.H., Iji, P.A., Choct, M. and Mikkelsen, L.L. (2007). Dietary threonine deficiency impairs intestinal mucin synthesis at the translational level in broiler chickens. Recent Advances in Animal Nutrition in Australia 16, 248.
- Rodgers, N.J., Mikkelsen, L.L., Iji, P.A. and Choct, M. (2007). Effect of particle size and milling type on broiler performance under semi-commercial conditions. Recent Advances in Animal Nutrition in Australia 16, 273.
- Olnood, C.G., Mikkelsen, L.L., Choct, M. and Iji, P.A. (2007). Antagonistic activity of novel prebiotics and their effect on growth performance of broiler chickens. Australia Poultry Science Symposium 19, 153-156.
- Bao, Y., Choct, M, Iji, P.A. and Bruerton, K. (2007). The absorption of Bioplex trace minerals. Australia Poultry Science Symposium 19, 98-101.
- Yang, Y, Iji, P.A., Kocher, A. and Choct, M. (2007). Mannanoligosaccharides modulate the populations of mucosa-associated bacteria in broiler chickens. Australia Poultry Science Symposium 19, 177.
- Sacranie, A, Choct, M. and Iji, P.A. (2007). Occurrence of reverse peristalsis in broiler chickens. Australia Poultry Science Symposium 19, 161-164.
- Iji, P.A., Khumalo, K., Slippers, S. And Gous, R.M. (2006). Effect of drying temperatures on feed value of maize for broilers. Australia Poultry Science Symposium 18, 87-91.
- Yang, Y, Iji, P.A. and Choct, M. (2006). Manno-oligosaccharides alter bacterial populations in broilers. Australia Poultry Science Symposium 18, p144.
- Bao, Y., Choct, M, Iji, P.A. and Bruerton, K. (2006). Broiler chickens could benefit from organically-complexed copper, iron, manganese and zinc. Australia Poultry Science Symposium 18, 87-91.
- Vidanarachchi, J.K., Mikkelsen, L.L., Sims, I., Iji, P.A. and Choct, M. (2006). Selected plant extracts modulate the gut microflora in broilers. Australia Poultry Science Symposium 18, 145.
- Vidanarachchi, J.K., Mikkelsen, L.L., Sims, I., Iji, P.A. and Choct, M. (2005). Plant extracts from Australian native plants as alternatives to antibiotic growth promoters in feed for broiler chickens. In: Avian gut function, health and disease. 28th Poultry Science Symposium, WPSA, UK, Bristol, UK, 15-17 September 2005, p. 51.
- Vidanarachchi, J.K., Mikkelsen, L.L., Sims, I., Iji, P.A. and Choct, M. (2005). Phytobiotics: alternatives to antibiotic growth promoters in monogastric animal diets. Recent Advances in Animal Nutrition in Australia 15, 131-144.
- Bao, Y., Choct, M, Iji, P.A. and Bruerton, K. (2005). Effect of organically-complexed Cu, Fe, Mn and Zn on broiler performance and excretion of minerals. Recent Advances in Animal Nutrition in Australia 15, 2A (abstract).
- Yang, Y, Choct, M. and Iji, P.A. (2005). Effect of dietary mannanoligosaccharide level on performance and gross morphology of digestive tract segments of broiler chickens. Australia Poultry Science Symposium 17, 72-75.
- Sacranie, A, Choct, M. and Iji, P.A. (2005). Reflux of digesta and its implications for nutrient digestion and bird health. Australia Poultry Science Symposium 17, 171-174.
- Iji, P.A., van der Walt, J.G., Brand, T.S., Boomker, E.A. and Booyse, D. (2004). Development of digestive function in the growing ostrich (Struthio camelus). Proceedings of the XXII World’s Poultry Congress, World’s Poultry Science Association, Istanbul, Turkey, June 2004, p. 279.
- Swatson, H.K, Gous, R.M. and Iji, P.A. (2004). The effects of excess dietary protein, protein quality and daily food allocation level on the growth, mucosal structure and digestive function in broiler chickens. Proceedings of the XXII World’s Poultry Congress, World’s Poultry Science Association, Istanbul, Turkey, June 2004, p. 277.
- Swatson, H.K, Gous, R.M. and Iji, P.A. (2004). Does feeding excess dietary crude protein compensate for poor protein quality in diets fed to broiler chickens? Proceedings of the XXII World’s Poultry Congress, World’s Poultry Science Association, Istanbul, Turkey, June 2004, p. 560.
Contact
Phone:+61 2 6773 2082
Email: piji@une.edu.au
See also
- Research project: Dietary manipulation post hatch
- Research project: Digesta reflux on bird health and performance
- Necrotic enteritis

