Use of ingredient and diet processing technologies (grinding, mixing, pelleting, and extruding) to produce quality feeds for pigs

Swine Nutrition, Second Edition

Volumn , Issue , 2000, Pages 469-498

  Hancock, Joe D ^a   Behnke, Keith C ^a  

^a KANSAS STATE UNIVERSITY   (United States)

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EID: 85056062123     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1201/9781420041842     Document Type: Chapter

References (125)

1. Amornthewaphat, N., J. D. Hancock, K. C. Behnke, R. H. Hines, G. A. Kennedy, H. Cao, J. S. Park, C. S. Maloney, D. W. Dean, J. M. Derouchey, and D. J. Lee. 1999. Effects of feeder design and pellet quality on growth performance, nutrient digestibility, carcass characteristics, and water usage in finishing pigs, J. Anim. Sci., 77(Suppl. 1): 55 (Abstr.).
2. ASAE. 1983. Method of determining and expressing fineness of feed materials by sieving, American Society for Agricultural Engineers, Standard S319, Yearbook of Standards, 325.
3. ASAE. 1987. Wafers, pellets, crumbles - definitions and methods for determining density, durability, and moisture content, American Society for Agricultural Engineers, Standard S269, Yearbook of Standards, 318.
4. Aubel, C. E. 1945. The comparative value of various sorghum grains as swine fattening feeds, Kans. Agric. Exp. Sta. Circ., 258: 4.
5. Aubel, C. E. 1955. The comparative value of corn and whole and ground milo as swine fattening feeds, Kans. Agric. Exp. Sta. Circ., 320: 24.
6. Ayles, H. L., R. M. Friendship, and R. O. Ball. 1996. Effect of dietary particle size on gastric ulcers, assessed by endoscopic examination, and relationship between ulcer severity and growth performance of individually fed pigs, Swine Health Prod., 4: 211.
7. Baird, D. M. 1973. Influence of pelleting swine diets on metabolizable energy, growth, and carcass characteristics, J. Anim. Sci., 36: 516.
8. Baker, R. J. 1960. Factors That Affect the Granulation and Capacity in Grinding of Corn, Oats, and Sorghum Grain with a Hammermill, M.S. thesis, Kansas State University, Manhattan.
9. Barratt, M. E. J., P. J. Strachan, and P. Porter. 1978. Antibody mechanisms implicated in digestive disturbances following ingestion of soya protein in calves and piglets, Clin. Exp. Immunol., 31: 305.
10. Bayley, H. S., and J. D. Summers. 1975. Nutritional evaluation of extruded full-fat soybeans and rapeseeds using pigs and chickens, Can. J. Anim. Sci., 55: 441.
11. Berruecos, J. M., and O. W. Robison. 1972. Inheritance of gastric ulcers in swine, J. Anim. Sci., 35: 20.
12. Beumer, I. H., 1991. Quality assurance as a tool to reduce losses in animal feed production, Adv. Feed Technol., 6: 6.
13. Brendemuhl, J. H., A. J. Lewis, and E. R. Peo, Jr. 1987. Effect of protein and energy intake by primiparous sows during lactation on sow and litter performance and sow serum thyroxine and urea concentrations, J. Anim. Sci., 64: 1060.
14. Brooks, P. H., and D. J. A. Cole. 1972. Studies in sow reproduction. 1. The effect of nutrition between weaning and remating on the reproductive performance of primiparous sows, Anim. Prod., 15: 259.
15. Bullard, J. J. 1951. Gastric ulcers in a large boar, J. Am. Vet. Med. Assoc., 119: 120.
16. Cabrera, M. R., J. D. Hancock, R. H. Hines, K. C. Behnke, and P. J. Bramel-Cox. 1994. Sorghum genotype and particle size affect milling characteristics, growth performance, nutrient digestibility, and stomach morphology in finishing pigs, J. Anim. Sci., 72(Suppl. 1): 55 (Abstr.).
17. Cao, H., J. D. Hancock, J. M. Jiang, J. R. Froetschner, J. S. Park, K. C. Behnke, and R. H. Hines. 1998a. Effects of expander processing (after steam conditioning) on the nutritional value of whole soybeans in nursery pigs, J. Anim. Sci., 76(Suppl. 1): 183 (Abstr.).
18. Cao, H., J. D. Hancock, J. M. Jiang, J. R. Froetschner, J. S. Park, C. S. Maloney, K. C. Behnke, and R. H. Hines. 1998b. Effects of expander processing on nutritional value of whole soybeans in nursery pigs, J. Anim. Sci., 76(Suppl. 2): 49 (Abstr.).
19. Carlisle, G. R., D. H. Baker, B. G. Harmon, and A. H. Jensen. 1973. Roasted and extruded soybeans in diets for swine, In Proc. Illinois Pork Industry Day, December 4, p. 11.
20. Chamberlain, C. C., G. M. Merriman, E. R. Lidvall, and C. T. Gamble. 1967. Effects of feed processing method and diet form on the incidence of esophagogastric ulcers in swine, J. Anim. Sci., 26: 72.
21. Dunsford, B. R., D. A. Knabe, and W. E. Haensly. 1989. Effect of dietary soybean meal on the microscopic anatomy of the small intestine in the early weaned pig, J. Anim. Sci., 67: 1855.
22. Eisemann, J. H., and R. A. Argenzio. 1999a. Effects of diet and housing density on growth and stomach morphology in pigs, J. Anim. Sci., 77: 2709.
23. Eisemann, J. H., and R. A. Argenzio. 1999b. Effects of diets differing in propensity to promote gastric lesions on defense systems in gastric mucosae, J. Anim. Sci., 77: 2715.
24. Faber, J. L., and D. R. Zimmerman. 1973. Evaluation of infrared-roasted and extruder-processed soybeans in baby pig diets, J. Anim. Sci., 36: 902.
25. Fadel, J. G., C. W. Newman, R. K. Newman, and H. Graham. 1988. Effects of extrusion cooking of barley on ileal and fecal digestibilities of dietary components in pigs, Can. J. Anim. Sci., 68: 891.
26. Ferket, P. R. 1991. Technological advances could make extrusion an economically feasible alternative to pelleting, Feedstuffs, 63(9): 1.
27. Fraps, G. S. 1932. Digestibility and production coefficients of pig feeds, Tex. Agric. Exp. Sta. Bull., 454.
28. Froetschner, J. R., J. D. Hancock, K. C. Behnke, B. W. Senne, and Z. J. Cheng. 1998. Effects of sorghum genotype and processing method on growth performance of nursery pigs, J. Anim. Sci., 76(Suppl. 1): 182 (Abstr.).
29. Giesemann, M. A., A. J. Lewis, J. D. Hancock, and E. R. Peo, Jr. 1990. Effect of particle size of corn and grain sorghum on growth and digestibility of growing pigs, J. Anim. Sci., 68(Suppl. 1): 104 (Abstr.).
30. Goodband, R. D., and R. H. Hines. 1988. An evaluation of barley in starter diets for swine, J. Anim. Sci., 66: 3086.
31. Hancock, J. D., R. H. Hines, G. E. Fitzner, and T. L. Gugle. 1991a. Effect of extrusion processing on the nutritional value of sorghum and soybeans for finishing pigs, In Proc. 17th Biennial Grain Sorghum Utilization Conference, February 17-20, Lubbock, TX, p. 113.
32. Hancock, J. D., R. H. Hines, and T. L. Gugle. 1991b. Extrusion of sorghum, soybean meal, and whole soybeans improves growth performance and nutrient digestibility in finishing pigs, Kansas State University Swine Day, Kansas Agric. Exp. Sta. Rep. Prog. No. 641, p. 92.
33. Hancock, J. D., R. H. Hines, B. T. Richert, and T. L. Gugle. 1992. Extruded corn, sorghum, wheat, and barley for finishing pig, Kansas State University Swine Day, Agric. Exp. Sta. Rep. Prog. No. 667, p. 130.
34. Hancock, J. D., A. J. Lewis, D. B. Jones, M. A. Giesemann, and B. J. Healy. 1990a. Processing method affects the nutritional value of low-inhibitor soybeans for nursery pigs, Kansas State University Swine Day, Kansas Agric. Exp. Sta. Rep. Prog. No. 610, p. 52.
35. Hancock, J. D., A. J. Lewis, P. G. Reddy, D. B. Jones, and M. A. Giesemann. 1991c. Extrusion processing of low-inhibitor soybeans improves growth performance of nursery pigs fed protein-adequate diets, Kansas State University Swine Day, Kansas Agric. Exp. Sta. Rep. Prog. No. 641, p. 40.
36. Hancock, J. D., E. R. Peo, Jr., A. J. Lewis, and J. D. Crenshaw. 1990b. Effects of ethanol extraction and duration of heat treatment of soybean flakes on the utilization of soybean protein by growing rats and pigs, J. Anim. Sci., 68: 3233.
37. Hancock, J. D., E. R. Peo, Jr., A. J. Lewis, and R. A. Moxley. 1990c. Effects of ethanol extraction and heat treatment of soybean flakes on function and morphology of pig intestine, J. Anim. Sci., 68: 3244.
38. Hanke, H. E., J. W. Rust, R. J. Meade, and L. E. Hanson. 1972. Influence of source of soybean protein and of pelleting on rate of gain and gain/feed of growing swine, J. Anim. Sci., 35: 958.
39. Hanrahan, T. J. 1984. Effect of pellet size and pellet quality on pig performance, Anim. Feed Sci. Technol., 10: 277.
40. Harris, D. D., L. F. Tribble, and D. E. Orr, Jr. 1979. The effects of meal versus different size pellets of sorghumsoybean meal diets for finishing swine, Proc. 27th Annual Swine Short Course, Texas Tech University, Agric. Sci. Tech. Rep. T-5-144, p. 57.
41. Healy, B. J., J. D. Hancock, G. A. Kennedy, P. J. Bramel-Cox, K. C. Behnke, and R. H. Hines. 1994. Optimum particle size of corn and hard and soft sorghum for nursery pigs, J. Anim. Sci., 72: 2227.
42. 2-receptor antagonists on gastric ulcers in swine, J. Anim. Sci., 61: 179.
43. Heimann, M. A. 1983. Energy consumption and machine efficiency in particle reduction: a roller mill and hammermill comparison. First International Symposium on Particle Size Reduction in the Feed Industry. Kansas State University, Manhattan.
44. Herkelman, K. L., S. L. Rodhouse, T. L. Veum, and M. R. Ellersieck. 1990. Effect of extrusion on the ileal and fecal digestibilities of lysine in yellow corn in diets for young pigs, J. Anim. Sci., 68: 2414.
45. Holden, P. J. 1988. Diagnosing feed mixing problems is swine herds, Agri-Practice, 9(4): 3.
46. Hongtrakul, K., J. R. Bergstrom, R. D. Goodband, K. C. Behnke, I. H. Kim, W. B. Nessmith, M. D. Tokach, and J. L. Nelssen. 1996. The effect of ingredients processing and diet complexity on growth performance of the segregated early-weaned pig, Kansas State University Swine Day, Kansas Agric. Exp. Sta. Rep. Prog. No. 772, p. 43.
47. Jensen, A. H., and D. E. Becker. 1965. Effect of pelleting diets and dietary components on the performance of young pigs, J. Anim. Sci., 24: 392.
48. Johnston, S. L., J. D. Hancock, R. H. Hines, G. A. Kennedy, S. L. Traylor, B. J. Chae, and I. K. Han. 1999a. Effects of expander conditioning of corn- and sorghum-based diets on pellet quality and performance in finishing pigs and lactating sows, Asian-Aust. J. Anim. Sci., 12: 565.
49. Johnston, S. L., R. H. Hines, J. D. Hancock, K. C. Behnke, S. L. Traylor, B. J. Chae, and I. K. Han. 1999b. Effects of expander conditioning of complex nursery diets on growth performance of weanling pigs, Asian-Aust. J. Anim. Sci., 12: 395.
50. Johnston, S. L., R. H. Hines, J. D. Hancock, K. C. Behnke, S. L. Traylor, B. J. Chae, and I. K. Han. 1999c. Effects of conditioners (standard, long-term, and expander) on pellet quality and growth performance in nursery and finishing pigs, Asian-Aust. J. Anim. Sci., 12: 558.
51. Jurgens, M. H. 1982. Performance of early-weaned pigs fed extruded soybean products, Iowa Agric. Exp. Sta. Rep. Prog. AS-535-E, p. 1.
52. Jurgens, M. H. 1983. Performance of early weaned pigs fed extruded soybean products, Iowa Agric. Exp. Sta. Rep. Prog. No. AS-539-E, p. 1.
53. Jurgens, M. H. 1985. Performance and carcass measurements of growing-finishing pigs fed extruded soybean products, Iowa Agric. Exp. Sta. Rep. Prog. No. AS-570-E, p. 1.
54. Kilshaw, P. J., and J. W. Sissons. 1979. Gastrointestinal allergy to soybean protein in preruminant calves. Antibody production and digestive disturbances in calves fed heated soybean flour, Res. Vet. Sci., 27: 361.
55. Kim, I. H., J. D. Hancock, L. L. Burnham, G. A. Kennedy, R. H. Hines, and C. S. Kim. 1998a. Effects of feeding diets containing dry-extruded whole soybeans on growth, carcass characteristics, and stomach morphology in finishing pigs, Kor. J. Anim. Nutr. Feed., 22: 73.
56. Kim, I. H., J. D. Hancock, M. R. Cabrera, J. H. Kim, and C. S. Kim. 1998b. Effects of alternative soy sources and dry-extruded whole soybeans, with or without adjustment for nutrient: calorie ratios in early-weaned pigs, Kor. J. Anim. Sci., 40: 165.
57. Kim, I. H., J. D. Hancock, and R. H. Hines. 2000a. Influence of processing method on ileal digestibility of nutrients from soybeans in growing and finishing pigs, Asian-Aust. J. Anim. Sci., 13: 192.
58. Kim, I. H., J. D. Hancock, R. H. Hines, and T. L. Gugle. 2000b. Roasting and extruding affect nutrient utilization from soybeans in 5- and 10-kg nursery pigs, Asian-Aust. J. Anim. Sci., 13: 200.
59. King, R. H., and I. H. Williams. 1984. The effect of nutrition on the reproductive performance of first-litter sows. 2. Protein and energy intakes during lactation, Anim. Prod., 38: 249.
60. Koch, B. A., R. H. Hines, and D. T. Lafferty. 1970. Processed whole soybeans in growing-finishing rations, Proc. Kansas State University Swine Day, p. 7.
61. Koch, K. 1996. Hammer mills and roller mills, Kansas State University Coop. Extension Service Bull. MS-496.
62. Lavorel, O., J. Fekete, and M. Leuillet. 1984. A comparative study concerning the utilization of pellets of different diameters by the weaned piglet; 14th French Swine Research Day, Institut National de la Recherche Agronomique, Paris, p. 36.
63. Lawrence, B. V., D. B. Anderson, O. Adeola, and T. R. Cline. 1998. Changes in pars esophageal tissue appearance of the porcine stomach in response to transportation, feed deprivation, and diet composition, J. Anim. Sci., 76: 788.
64. Lawrence, T. L. J. 1967. High level cereal grain diets for the growing-finishing pig. II. The effect of cereal preparation on the performance of pigs fed diets containing high levels of maize, sorghum, and barley, J. Agric. Sci. (Cambridge), 69: 271.
65. Lawrence, T. L. J. 1970. Some effects of including differently processed barley in the diet of the growing pig. 1. Growth rate, food conversion efficiency, digestibility, and rate of passage through the gut, Anim. Prod., 12: 139.
66. Lawrence, T. L. J. 1983. The effects of cereal particle size and pelleting on the nutritive value of oat-based diets for the growing pig, Anim. Feed Sci. Technol., 8: 91.
67. Li, D. F., J. L. Nelssen, P. G. Reddy, F. Blecha, J. D. Hancock, G. L. Allee, R. D. Goodband, and R. D. Klemm. 1990. Transient hypersensitivity to soybean meal in the early weaned pig, J. Anim. Sci., 68: 1790.
68. Lindemann, M. D., D. J. Blodgett, E. T. Kornegay, and G. G. Schurig. 1993. Potential amelioration of aflatoxicosis in weanling/growing swine, J. Anim. Sci., 71: 171.
69. Lindley, J. A., 1991. Mixing processes for agricultural and food materials: I. Fundamentals of mixing, Agric. Eng. Res., 48: 153.
70. Luce, W. G., I. T. Omtvedt, and C. V. Maxwell. 1973. Effect of pellet size on pig performance, J. Anim. Sci., 36: 204 (Abstr.).
71. Mahan, D. C., R. A. Pickett, T. W. Perry, T. M. Curtin, W. R. Featherson, and W. M. Beeson. 1966. Influence of various nutritional factors and physical form of feed on esophagogastric ulcers in swine, J. Anim. Sci., 25: 1019.
72. Marty, B. J., and E. R. Chavez. 1993. Effect of heat processing on digestive energy and other nutrient digestibilities of full-fat soybeans fed to weaner, grower, and finishing pigs, Can. J. Anim. Sci., 73: 411.
73. Mavromichalis, I., J. D. Hancock, G. A. Kennedy, R. H. Hines, J. M. Derouchey, B. W. Senne, and S. P. Sorrell. 1998. Effects of enzyme supplementation and particle size of wheat-based diets on nursery and finishing pigs, Kansas State University Swine Day, Kansas Agric. Exp. Sta. Rep. Prog. No. 819, p. 239.
74. Maxwell, C. V., E. M. Reimann, W. G. Hoekstra, T. Kowalczyk, N. J. Benevenga, and R. H. Grummer. 1970. Effect of dietary particle size on lesion development and on the contents of various regions of the swine stomach, J. Anim. Sci., 30: 911.
75. Maxwell, C. V., E. M. Reimann, W. G. Hoekstra, T. Kowalczyk, N. J. Benevenga, and R. H. Grummer. 1972. Use of tritiated water to assess, in vivo, the effect of dietary particle size on the mixing of stomach contents of swine, J. Anim. Sci., 34: 212.
76. McEllhiney, R. R. 1983. Roller mill grinding, Feed Manag., 34: 42.
77. Myer, R. O., and J. A. Froseth. 1983. Extruded mixtures of beans (Phaseolus vulgaris) and soybeans as protein sources in barley-based swine diets, J. Anim. Sci., 57: 296.
78. NCR-42 Committee on Swine Nutrition. 1969. Cooperative regional studies with growing swine: effects of source of ingredient, form of diet, and location on rate and efficiency of gain of growing swine, J. Anim. Sci., 29: 927.
79. Noland, P. R., C. A. Baugus, R. O. Lawrence, and Z. Johnson. 1969. Potential role of extruded soybeans in swine rations, Feed Bag Mag., October 18, p. 17.
80. Noland, P. R., D. R. Campbell, R. K. Gage, Jr., R. N. Sharp, and Z. B. Johnson. 1976. Evaluation of processed soybeans and grains in diets for young pigs, J. Anim. Sci., 43: 763.
81. NRC. 1988. Nutrient Requirements of Swine, 9th ed., National Academy Press, Washington, D.C.
82. NRC. 1998. Nutrient Requirements of Swine, 10th ed., National Academy Press, Washington, D.C.
83. Ohh, S. J., G. L. Allee, K. C. Behnke, and C. W. Deyoe. 1983. Effect of particle size of corn and sorghum grain on performance and digestibility of nutrients for weaned pigs, J. Anim. Sci., 57(Suppl. 1): 260 (Abstr.).
84. Osborne, T. B., and L. B. Mendel. 1917. The use of soybean as food, J. Biol. Chem., 32: 369.
85. Owsley, W. F., D. A. Knabe, and T. D. Tanksley, Jr. 1981. Effect of sorghum particle size on digestibility of nutrients at the terminal ileum and over the total digestive tract of growing-finishing pigs, J. Anim. Sci., 52: 557.
86. Park, J. S., J. D. Hancock, C. A. Maloney, H. Cao, and R. H. Hines. 1998. Effects of expander processing of wheat-based diets for finishing pigs, J. Anim. Sci., 76(Suppl. 1): 186 (Abstr.).
87. Patience, J. F., R. E. Austic, and R. D. Boyd. 1986. The effect of sodium bicarbonate or potassium bicarbonate on acid-base status and protein and energy digestibility in swine, Nutr. Res., 6: 263.
88. Peisker, M. 1994a. An expander’s affect on wheat bran in piglet rations, Extrusion Commun., 7(2): 18.
89. Peisker, M. 1994b. Influence of expansion on feed components, Feed Mix, 2(3): 26.
90. Peisker, M. 1996. Expanders in the feed industry and economics of using them, presented at American Feed Industry Assoc. Nutrition Symposium, St. Louis, MO.
91. Pickett, R. A., W. H. Fugate, R. B. Harrington, T. W. Perry, and T. M. Curtin. 1969. Influence of feed preparation and number of pigs per pen on performance and occurrence of esophagogastric ulcers in swine, J. Anim. Sci., 28: 837.
92. Reece, F. N., B. D. Lott, and J. W. Deaton. 1985. The effects of feed form, grinding method, energy level, and gender on broiler performance in a moderate (21°C) environment, Poult. Sci., 64: 1834.
93. Reese, D. E., B. D. Moser, E. R. Peo, Jr., A. J. Lewis, D. R. Zimmerman, J. E. Kinder, and W. W. Stroup. 1982. Influence of energy intake during lactation on the interval from weaning to first estrus in sows, J. Anim. Sci., 55: 590.
94. Regina, D. C., J. H. Eisemann, J. A. Lang, and R. A. Argenzio. 1999. Changes in gastric contents in pigs fed a finely ground and pelleted or coarsely ground meal diet, J. Anim. Sci., 77: 2712.
95. Reimann, E. M., C. V. Maxwell, T. Kowalczyk, N. J. Benevenga, R. H. Grummer, and W. G. Hoekstra. 1968. Effect of fineness of grind of corn on gastric lesions and contents of swine, J. Anim. Sci., 27: 992.
96. Reimer, L. 1992. Conditioning, Proc. Northern Crops Institute Feed Mill Management and Feed Manufacturing Technol. Short Course, California Pellet Mill Co., Crawfordsville, IN, p. 7.
97. Ricker, J. T., III, T. W. Perry, R. A. Pickett, and T. M. Curtin. 1967. Influence of various grains on the incidence of esophagogastric ulcers in swine, J. Anim. Sci., 26: 736.
98. Rudolph, B. C., L. S. Boggs, D. A. Knabe, T. D. Tanksley, Jr., and S. A. Anderson. 1983. Digestibility of nitrogen and amino acids in soybean products for pigs, J. Anim. Sci., 57: 373.
99. Sauer, W. C., S. C. Stothers, and G. D. Phillips. 1977. Apparent availability of amino acids in corn, wheat, and barley for growing pigs, Can. J. Anim. Sci., 57: 585.
100. Seegraber, F. J., and J. L. Morrill. 1979. Affect of soy protein on intestinal absorptive ability of calves by the xylose absorption test, J. Dairy Sci., 62: 972.
101. Silver, E. R. 1932. Characteristics of feed mill performance, Agric. Eng., 13: 31.
102. Sissons, J. W., R. H. Smith, and D. Hewitt. 1979. The effect of giving feeds containing soya-bean meal treated or extracted with ethanol on digestive processes in the preruminant calf, Br. J. Nutr., 42: 477.
103. Sissons, J. W., R. H. Smith, D. Hewitt, and A. Nyrup. 1982. Prediction of the suitability of soya-bean products for feeding to preruminant calves by an in vitro immunochemical method, Br. J. Nutr., 47: 311.
104. Skoch, E. R., S. F. Binder, C. W. Deyoe, G. L. Allee, and K. C. Behnke. 1983a. Effects of pelleting conditions on performance of pigs fed a corn-soybean meal diet, J. Anim. Sci., 57: 922.
105. Skoch, E. R., S. F. Binder, C. W. Deyoe, G. L. Allee, and K. C. Behnke. 1983b. Effects of steam pelleting conditions and extrusion cooking on a swine diet containing wheat middlings, J. Anim. Sci., 57: 929.
106. Sorrell, P., J. D. Hancock, I. H. Kim, R. H. Hines, G. A. Kennedy, and L. L. Burnham. 1996. Effects of fat and sodium bicarbonate on growth performance and stomach morphology in finishing pigs, J. Anim. Sci., 74(Suppl. 1): 178 (Abstr.).
107. Stark, C. R. 1994. Functional characteristics of ingredients in the formation of quality pellets. In Pellet Quality, Ph.D. dissertation, Kansas State University, Manhattan.
108. Stark, C. R., K. C. Behnke, J. D. Hancock, S. L. Traylor, and R. H. Hines. 1994. Effect of diet form and fines in pelleted diets on growth performance of nursery pigs, J. Anim. Sci., 72(Suppl. 1): 214.
109. Traylor, S. L., J. D. Hancock, K. C. Behnke, C. R. Stark, and R. H. Hines. 1994. Uniformity of mixed diets affects growth performance in nursery and finishing pigs, J. Anim. Sci., 72(Suppl. 2): 59.
110. Traylor, S. L., K. C. Behnke, J. D. Hancock, P. Sorrell, and R. H. Hines. 1996. Effects of pellet size on growth performance in nursery and finishing pigs, J. Anim. Sci., 74(Suppl. 1): 67.
111. Traylor, S. L., K. C. Behnke, J. D. Hancock, R. H. Hines, S. L. Johnston, B. J. Chae, and I. K. Han. 1999. Effects of expander operating conditions on nutrient digestibility in finishing pigs, Asian-Aust. J. Anim. Sci., 12: 400.
112. Tribble, L. F., and A. M. Lennon. 1975. Meal versus pelleted sorghum-soybean meal rations for growingfinishing swine. Proc. 23rd Annual Swine Short Course, Texas Tech University Agric. Sci. Tech. Rep. No. T-5-111, p. 31.
113. Tribble, L. F., D. D. Harris, and D. E. Orr, Jr. 1979. Effect of pellet size (diameter) on performance of finishing swine. Proc. 27th Swine Short Course, Texas Tech University Agric. Sci. Tech. Rep. T-5-144, p. 59.
114. Tribble, L. F., D. E. Orr, Jr., C. R. Richardson, and D. Tunmire. 1980. Value of a pellet binder for growingfinishing swine. Proc. 28th Annual Swine Short Course, Texas Tech University Agric. Sci. Tech. Rep. T-5, p. 154.
115. Vermeer, M. E. 1993. Roller mills versus hammermills: grinding economics, Feed Manag., 44(9): 39.
116. Wahlstrom, R. C., B. S. Borg, and G. W. Libal. 1986. Extruded soybeans for finishing swine, South Dakota State University Swine Day Rep., p. 1.
117. Wicker, D. L., and D. R. Poole. 1991. How is your mixer performing? Feed Manag., 42(9): 40.
118. Wilcox, R. A., and D. L. Unruh. 1986. Feed mixers and feed mixing times, Kansas State University Coop. Extension Service Bull. MF-829.
119. Wondra, K. J., J. D. Hancock, K. C. Behnke, and R. H. Hines. 1995a. Effects of dietary buffers on growth performance, nutrient digestibility, and stomach morphology in finishing pigs, J. Anim. Sci., 73: 414.
120. Wondra, K. J., J. D. Hancock, K. C. Behnke, R. H. Hines, and C. R. Stark. 1995b. Effects of particle size and pelleting on growth performance, nutrient digestibility, and stomach morphology in finishing pigs, J. Anim. Sci., 73: 757.
121. Wondra, K. J., J. D. Hancock, K. C. Behnke, and C. R. Stark. 1995c. Effects of mill type and particle size uniformity on growth performance, nutrient digestibility, and stomach morphology in finishing pigs, J. Anim. Sci., 73: 2564.
122. Wondra, K. J., J. D. Hancock, G. A. Kennedy, K. C. Behnke, and K. R. Wondra. 1995d. Effects of reducing particle size of corn in lactation diets on energy and nitrogen metabolism in second-parity sows, J. Anim. Sci., 73: 427.
123. Wondra, K. J., J. D. Hancock, G. A. Kennedy, R. H. Hines, and K. C. Behnke. 1995e. Reducing particle size of corn in lactation diets from 1,200 to 400 micrometers improves sow and litter performance, J. Anim. Sci., 73: 421.
124. Woodsman, H. E., R. E. Evans, and A. W. M. Kitchin. 1932. The value of oats in the nutrition of swine, J. Agric. Sci. (Cambridge), 22: 657.
125. Young, L. R. 1970. Mechanical Durability of Feed Pellets, M.S. thesis, Kansas State University, Manhattan.