Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
The University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs e of pigsGiang T. NguyenMaster of Agricultural SciencesA thesis submitted for the degree of Doctor of Philosophy atThe University of Queensland tn 2016Queensland Alliance for Agriculture and Food InnovationAbstractCereals have higher starch and lower protein contents than legumes/pulses. Field pea. Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs a legumepulse, is lower in anti-nutritional factors than other legumes, pulses, and is a desirable protein supplement in cereal-based feeds. Grains (cInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
ereals and legumes'pulses) are milled to reduce particle size and improve iced efficiency, and while hammer-mills arc used more in iced manufacture, dThe University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs , and mills can yield narrow, broad and skewed distributions, rhe dependence of in-vitro and in-vivo digestion on panicle size distributions has not been thoroughly studied, and maximising digestion and energy delivery in pigs, demand defining a grain optimum panicle size range. Particle size charac Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs teristics influence residence time distributions in the gastrointestinal tract (GIT) with nutritional consequences, and understanding the mixing patteInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
rns in the GĨT provides useful information on this.Using sorghum and field pea. this project specifically (i) investigated the influence of milling teThe University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs ristics affected growth performance of weaner pigs; (iii) modelled residence time distributions in the GIT of grower pigs cannulated at the terminal ileum, and investigated how this modelling revealed mixing in the GIT. which in turn was related to digestion patterns in the pigs: (iv) probed how fee Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs d ingredients influenced grain digestion; and (v) examined the status of starch in ileal digesta.Feed mills in Australia and Vietnam were surveyed, reInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
vealing differences in particle size characteristics of mash diets within and between grains and mills. Also, diets for weaner- and growerpigs varied The University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs icle size (DfiW), and panicle size distribution (Sgw) significantly (p < 0.05) affected the grain waler absorption and solubility indices. Using a pH drop method for protein digestion, and glucose release for starch digestion, irrespective of the year (2012 - 2014), the rale of protein digestion in Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs the milled grains was much faster than the rate of starch digestion, with implications for nutrient asynchrony. Generally, pig feed ingredients signifInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
icantly (p < 0.05) affected apparent enzyme diffusion coefficients in the milled grains, and the effects on the field pea were generally different froThe University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs stigated with mash diets containing milled sorghum of particle sizes 0.4 - 0.8 mm. and milled field pea of particle sizes 0.6 - 0.8 mm over a 21-day period. The weaner-pigs gained weight (average daily gain) during the feeding period, and neither mill type (disc- or hammer-mill) nor grain particle s Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs ize significantly (p > 0.05) affected the feed conversion ratio (feed intakerweight gain). The particle sizes obtained were inferred to be within theInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
optimum for the grains for maximum feed efficiency. In-vitro digestion parameters reasonably (p < 0.2) correlated with the growth performance of the wThe University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs r. Ileal digesta samples, collected through a T-cannula from 0 - 720 min. after feeding, generated apparent multi-peak residence time distributions irrespective of the treatments, and gr avitational sedimentation mainly in the stomach was proposed to be responsible. The distributions were modelled u Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs sing a compartmental approach, with the stomach and small intestine respectively as mixing and displacement compartments. The model revealed pronounceInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
d mixing in the stomach, and gastric mean residence time ranged from 3 - 20 hr, while a range of 2 - 4 hr was obtained for the small intestine. HoweveThe University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs the ileal digesta samples were essentially the same (Dgwhiieai 0.17 ± 0.03; Sgw-iica] 0.12 ffc 0.03). and independent of the diet particle size characteristics. The residence time distribution parameters correlated (r > 0.800, p < 0.30) positively with Dfiuxhd and negatively with Sgw-ditf. Confoca Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs l microscopy revealed starch granules in, and separated from intact cells, irrespective of the digesta collection time.Using in-vitro and in-vivo apprInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
oaches, the present study showed how grains, mill types and particle size characteristics influenced animal performance with insights in apparent enzyThe University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs feed processing on grain milling, and in controlling milled grain particle sizes. The range (0.4 - 0.9 mm) of particle sizes studied for the field pea and sorghum was within the optimum for the grains, in terms of weaner pig growth performance and grower pig ileal starch digestibility.IIDeclaration Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs tn authorThis thesis is composed of my original work, and contains no material previously published or written by another person except where due refeInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
rence has been made in the text. 1 have clearly staled the contribution by others to jointly-authored works that T have included in my thesis.Ĩ have cThe University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs l procedures, professional editorial advice, and any other original research work used or reported in my thesis. The content of my thesis is the result of work 1 have carried out since the commencement of my research higher degree candidature and docs not include a substantial part of work that has Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs been submitted to qualify for the award of any other degree or diploma in any university or other tertiary institution. Ĩ have clearly stated which paInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
rts of my thesis, if any. have been submitted to qualify for another award.I acknowledge that an electronic copy of my thesis must be lodged with the The University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs ccordance with the Copyright Act 1968 unless a period of embargo has been approved by the Dean of the Graduate School.I acknowledge that copyright of all material contained in my thesis resides with the copyright holder(s) of that material. Where appropriate I have obtained copyright permission from Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs the copyright holder to reproduce material in this thesis.Publications during candidaturePeer-reviewed paperNguyen. G. T., Gidley. M. J. and Sopade.Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
P. A. (2015). Dependence of in-vitro starch and protein digestions on particle size of field peas (Pisum sativum L.). LWT-FoodScience and Technology. The University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs ction Science, 55. 1537.Nguyen G.T.. Bryden. w. L.. Gidley MJ. and Sopade P.A. (2015). Variation in particle sizes of commercial pig feeds in Vietnam. Animal Production Science. 55. 1565.Nguyen G. T., Collins, c., Henman. D., Diffey, s., Tredrea, A. M., Black. J. L., Gidley M. J. and Sopade p. A. (2 Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs 015). Growth performance of weaner pigs fed diets containing grains milled to different particle sizes. I. Sorghum. Animal Production Science, 55. 156Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
6.Nguyen G. T., Collins, c., Henman. D.. Diffey, s., Tredrea, A. M.. Black, J. L.. Gidley M. J. and Sopade p. A. (2015). Growth performance of weaner The University Of QueenslandAUSTRALIAInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs G. T., Bryden. w. L. Gidley. M. J.. Edwards. A. c., Willis, s.. Black. J. L. Wilson. R. H. and Sopade. p. A. (2013). A survey of particle size and particle size variability of milled grains available for use in Australian pig feeds. Manipulating Pig Production XIV - Proceedings of the 14th Biennial Influence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs Conference of the Australasian Pig Science Association (APSA). Edited by Pluske, J. and Pulske. J. Australasian Pig Science Association (Inc.). WerribInfluence of particle size and size distribution of sorghum and field pea on digestibility and growth performance of pigs
ee. Victoria. Australia. Pg. 55.Nguyen. G. T., Bryden. w. L. Gidley. M. J.. Edwards. A. C., Willis, s.. Black. J. L. Wilson. R. H. and Sopade. P. A. (Gọi ngay
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