Browsing Swine Day, 1997 by Title

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Browsing Swine Day, 1997 by Title

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  • Historical economic returns to alternative swine enterprises in Kansas
    Jones, R.; Langemeier, M.R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)
    This study examines historical net returns to average Kansas swine producers over the past 16 years. Swine production has been a profitable enterprise. As expected, average returns per head have been higher for ...
  • Influence of dietary tryptophan levels on the growth performance of segregated early-weaned pigs (10 to 20 lb)
    Loughmiller, J.A.; Nelssen, J.L.; Goodband, R.D.; Tokach, M.D.; Knabe, D.A.; Hongtrakul, K.; O'Quinn, P.R.; Moser, S.; Smith, J.W.II (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)
    A total of 360 pigs (averaging 13 d of age and 9.4 lb) was used to determine the effects of increasing dietary tryptophan:lysine ratio on the growth performance of segregated early-weaned (SEW) pigs. Two apparent digestible ...
  • Lagoon seepage through soil liners
    Murphy, J.P.; Harner, J.P. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Most compacted soils can be used for lagoon liners to achieve seepage guidelines established by the Kansas Department of Health and Environment.
  • Puberty induction in young gilts: ovarian, uterine, and pregnancy responses
    Guo, J.; Grieger, D.M.; Davis, D.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)
    The age of gilts when their first litter is produced affects reproductive efficiency and the applications of biotechnologies such as in vitro fertilization and genetic engineering. Therefore, we evaluated the effect of ...
  • Pyridoxine, but not thiamin, improves growth performance of weanling pigs
    Woodworth, J.C.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D.; Musser, R.E.; Loughmiller, J.A.; Moser, S.A.; Grinstead, G.S.; O'Quinn, P.R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Two trials were conducted to determine whether pyridoxine or thiamine needs to be added to the diet for weanling pigs. In the first trial, weanling pigs were fed either a control diet or diets containing added thiamin ...
  • Summary of Kansas State University swine enterprise record
    Goodband, R.D.; Langemeier, M.L.; Tokach, M.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)
    The Kansas Swine Enterprise Record Program evaluates biological and economic performance and is part of a cooperative record- keeping project with Extension personnel and swine producers in Kansas. Nebraska, and South ...
  • Trends in the swine industry: operations and marketings
    Parcell, J.L.; Dhuyvetter, K.C. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Trends in the size of swine operations in Kansas and the V. S. are toward fewer and larger operations. The number of operations in Kansas and the U.S. continues to decline; however, the number of hogs marketed has ...
  • Trends in the swine industry: productivity measures
    Dhuyvetter, K.C.; Parcell, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Productivity has been trending up in the swine industry over the last 15 years. Much of the increased productivity is due to increased pigs/litter and increased market weights. The efficiency of the breeding herd (lit ...