Browsing Animal Sciences and Industry by Author "Barker, M.R."

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Browsing Animal Sciences and Industry by Author "Barker, M.R."

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  • Barker, M.R.; Minton, J. Ernest; DeRouchey, Joel M.; Bond, K.M.; Lee, D.J.; Burkey, T.E.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    Ninety-six pigs (initially 13.8 lb.) were used in a 28-d trial to determine the interactive effects between pelleting and particle size on Salmonella serovar Typhimurium shedding and colonization in a young growing pig ...
  • Barker, M.R.; Nietfeld, Jerome C.; Minton, J. Ernest; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    Eighty-five pigs (initially 12.9 lb and 15 ±1 d of age) were used in two 28-d trials to determine the effects of the probiotics BioPlus 2B (a bacillus-based product from Chr. Hansen BioSystems), a source of Bacillus subtilis ...
  • Lawrence, K.R.; Hastad, C.W.; Hanni, S.M.; Barker, M.R.; James, B.W.; Goodband, Robert D.; Tokach, Michael D.; Nelssen, Jim L.; DeRouchey, Joel M.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    A total of 170 weanling pigs (initially 16.4 lb) were used to evaluate the effects of alternative protein sources on growth performance of pigs fed from d 5 to 26 after weaning. All pigs were fed a common diet from weaning ...
  • Hanni, S.M.; Barker, M.R.; Frantz, N.Z.; Groesbeck, C.N.; Keegan, T.P.; Hastad, C.W.; Tokach, Michael D.; Nelssen, Jim L.; DeRouchey, Joel M.; Goodband, Robert D.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 144 finishing pigs (72 barrows and 72 gilts, initially 85 lb) were used to determine the effects of calcium to total phosphorus (Ca:P) ratio in diets containing phytase on growth performance, carcass characteristics, ...
  • Hanni, S.M.; Barker, M.R.; Groesbeck, C.N.; Keegan, T.P.; Lawrence, K.R.; Young, M.G.; James, B.W.; Tokach, Michael D.; Nelssen, Jim L.; Goodband, Robert D.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    We used 144 growing-finishing pigs (72 barrows and 72 gilts; initially 85 lb) to determine the effects of calcium to total phosphorus (Ca:P) ratio on growth performance. Pigs were housed in an environmentally regulated ...
  • Barker, M.R.; Groesbeck, C.N.; Hanni, S.M.; Hastad, C.W.; Keegan, T.P.; Lawrence, K.R.; Young, M.G.; Goodband, Robert D.; Tokach, Michael D.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    A total of 336 pigs were used in a 21-day trial to determine the effect of Paylean (9.0 g/ton Ractopamine·HCl) on finishing pig growth and variation. Pigs were allotted based on weight so that all pens had the same initial ...
  • Lawrence, K.R.; Hastad, C.W.; Hanni, S.M.; Young, M.G.; Webster, M.J.; Barker, M.R.; James, B.W.; Groesbeck, C.N.; Goodband, Robert D.; Tokach, Michael D.; Nelssen, Jim L.; DeRouchey, Joel M.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    A total of 525 weanling pigs (initially 13.0 lb) were used in two experiments to evaluate the effects of soybean meal source and level on growth performance of early weaned pigs. In both experiments, dietary treatments ...
  • Lenehan, N.A.; Barker, M.R.; Frantz, N.Z.; Groesbeck, C.N.; Iwasawa, T.; Keegan, T.P.; Lawrence, K.R.; Goodband, Robert D.; Tokach, Michael D.; Nelssen, Jim L.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    Three experiments were conducted using 486 weanling pigs (216 in Experiment 1; 210 in Experiment 2; 60 in Experiment 3) to determine the effects of different soy protein concentrate (SPC) sources on growth performance. Soy ...
  • Lawrence, K.R.; Hastad, C.W.; Hanni, S.M.; Barker, M.R.; James, B.W.; Goodband, Robert D.; Tokach, Michael D.; Nelssen, Jim L.; DeRouchey, Joel M.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    A total of 440 weanling pigs (initially 14.3 lb) were used in two studies to evaluate the effects of increasing wheat gluten (WG) and spray-dried animal plasma (SDAP) on growth performance of early weaned pigs. In Exp. ...
  • Lenehan, N.A.; Usry, J.L.; Hastad, C.W.; Barker, M.R.; Frantz, N.Z.; Groesbeck, C.N.; James, B.W.; Keegan, T.P.; Lawrence, K.R.; Young, M.G.; Tokach, Michael D.; Goodband, Robert D.; Nelssen, Jim L.; DeRouchey, Joel M.; Dritz, Steven S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 360 pigs (initially 22.2 lb and 31 d of age) was used in a 21-d growth assay. This trial was conducted as a combination of two separate trials in order to simultaneously examine both the true ileal digestible ...