Browsing Swine Day, 2003 by Author "Nelssen, J.L."

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Browsing Swine Day, 2003 by Author "Nelssen, J.L."

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  • Comparision of antibiotics and antimicrobial alternatives on growth performance of weanling pigs in a commercial environment
    Keegan, T.P.; DeRouchey, J.M.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 320 weanling pigs (11.7 lb and 14 ± 3 d of age, PIC) was used to determine the effects of antibiotics and antimicrobial alternatives in diets for nursery pigs reared in a commercial environment. Pigs were fed ...
  • Comparision of antibiotics on growth performance of weanling pigs in a commerical environment
    Keegan, T.P.; DeRouchey, J.M.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 320 weanling pigs (10.7 lb and 14 ± 3 d of age, PIC) was used to determine the effects of antibiotics and an antibiotic alternative on nursery pig performance. Pigs were fed one of 5 experimental diets: 1) control ...
  • Comparision of antimicrobial alternatives in diets for nursery pigs
    Keegan, T.P.; DeRouchey, J.M.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Hasted, C.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 720 weanling pigs (12.8 lb and 18 ± 2 d of age, PIC) was used in two trials to determine the effectiveness of antimicrobial alternatives in diets for nursery pigs. Pigs were fed one of 8 experimental diets: ...
  • Comparision of antimicrobial alternatives in irradiated diets for nursery pigs
    Keegan, T.P.; DeRouchey, J.M.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Hasted, C.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    Previous research at Kansas State University indicated that irradiation can effectively reduce the bacteria concentration in nursery diets. Therefore, we hypothesized that eliminating bacteria in the feed via irradiation ...
  • Comparison of three methods of feeding sows in gestation and the subsequent effects on lactation performance
    Young, M.G.; Tokach, M.D.; Aherne, F.X.; Main, R.G.; Dritz, S.S.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 684 sows from breeding groups over six weeks were used to compare three methods of feeding during gestation and to assess the subsequent effects on lactation performance. Control gilts and sows were fed according ...
  • Dietary energy density and growing-finishing pig performance and profitability
    Young, M.G.; Tokach, M.D.; Dritz, S.S.; DeRouchey, J.M.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A retrospective analysis of 25 studies (16 at university and 9 at field research facilities) was conducted to model the response in ADG and F/G to increasing dietary energy density and its effect on profitability. Average ...
  • Effect of added fat on performance of growing-finishing pigs in commercial conditions
    Young, M.G.; Tokach, M.D.; Dritz, S.S.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 1,040 pigs (half barrows and half gilts) was used in a 42-day experiment conducted in a commercial research facility to determine the influence of graded levels of added fat on growth performance, feed cost per ...
  • Effects of a prebiotic, Inulin, and a direct fed microbial on growth performance of weanling pigs
    Frantz, N.Z.; Nelssen, J.L.; DeRouchey, J.M.; Goodband, R.D.; Tokach, M.D.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A 32-day growth study with a total of 252 weanling pigs (18 ± 3 d of age) was conducted to evaluate the effects of a prebiotic, Inulin (a fructooligosaccharide derivative of chicory), and a direct fed microbial (Lactobacillus ...
  • Effects of corn source and fat level on growth performance of grow-finish pigs reared in a commercial facility
    Hastad, C.W.; Tokach, M.D.; Nelssen, J.L.; Dritz, S.S.; Goodband, R.D.; DeRouchey, J.M.; Jones, C.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 1,144 gilts (initially 110.4 lb, PIC) was used in a commercial research facility to evaluate the effects of corn source (NutriDense™, BASF, or #2 Yellow Dent) and added fat (averaging 0, 3, and 6%) on pig ...
  • Effects of extruded-expelled soybean meal and solvent extracted soybean meal level of growth performance of weanling pigs
    Lawrence, K.R.; Goodband, R.D.; Tokach, M.D.; Dritz, S.S.; Nelssen, J.L.; DeRouchey, J.M.; Hastad, C.W.; Groesbeck, C.N. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 350 weanling pigs (initially 15.7 lb) were used to evaluate the effects of soybean meal source and level on growth performance of early weaned pigs. Dietary treatments included a control diet containing no ...
  • Effects of increasing CA:P ratio in diets containing phytase on finishing pig growth performance
    Hanni, S.M.; Tokach, M.D.; Nelssen, J.L.; DeRouchey, J.M.; Goodband, R.D.; Dritz, S.S.; Barker, M.R.; Frantz, N.Z.; Groesbeck, C.N.; Keegan, T.P.; Hastad, C.W. (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, ...
  • Effects of increasing crystalline amino acids and the subsequent change in diet net energy on growing pig performance
    Tokach, M.D.; Steidinger, M.U.; Dritz, S.S.; DeRouchey, J.M.; Goodband, R.D.; Nelssen, J.L.; Usry, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    Three individual trials were conducted to evaluate the effect of increasing the amount of crystalline amino acids (L-lysine, L threonine, and DL-methionine) as a replacement for soybean meal in the diet on pig growth ...
  • Effects of increasing crystalline lysine and dietary fat on finishing pig growth performance
    Tokach, M.D.; Main, R.G.; Dritz, S.S.; DeRouchey, J.M.; Goodband, R.D.; Nelssen, J.L.; Usry, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 1,024 barrows (each initially 157 lb, PIC L337 x C22) were used in a 28-d study to evaluate the effects of increased crystalline amino acids (none versus 4.5 lb/ton of L-lysine HCl plus L-threonine to maintain ...
  • Effects of increasing crystalline lysine with other amino acids on growth performance of 85- to 135-lb gilts
    Tokach, M.D.; Main, R.G.; Dritz, S.S.; DeRouchey, J.M.; Goodband, R.D.; Nelssen, J.L.; Usry, J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 1,134 gilts (each initially 85 lb, PIC L337 x C22) was used in a 28-d experiment to evaluate the effects of replacing soybean meal with up to 8 lb/ton of crystalline Llysine HCl with other crystalline amino acids ...
  • Effects of increasing dietary lysine in phase ii diets (15- to 25-lb) on nursery pig growth performance
    Tokach, M.D.; Dritz, S.S.; DeRouchey, J.M.; Goodband, R.D.; Nelssen, J.L.; Usry, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 1,260 weanling pigs (initially 18.6 lb) was used in a 19 d growth assay (d 10 to 29 after weaning) to determine the effects of increasing lysine in Phase II diets on nursery pig growth performance. All pigs were ...
  • Effects of increasing dietary lysine in transition diets on nursery pig growth performance
    DeRouchey, J.M.; Dritz, S.S.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Usry, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 1,400 weanling pigs (initially 13.6 lb) was used in a 9 d growth assay (d 4 to 13 postweaning) to determine the effects of increasing lysine in the transition diet on nursery pig growth performance. All pigs ...
  • The effects of poultry meal and fishmeal on growth performance of weanling pigs
    Keegan, T.P.; Nelssen, J.L.; DeRouchey, J.M.; Goodband, R.D.; Tokach, M.D.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 210 weanling pigs (initially 16.4 lb and 21 ± 2 d of age, PIC) was used to evaluate the effects of select menhaden fishmeal and stabilized poultry meal on growth performance of nursery pigs. Five dietary ...
  • The effects of poultry meal source on growth performance of weanling pigs
    Keegan, T.P.; Nelssen, J.L.; DeRouchey, J.M.; Goodband, R.D.; Tokach, M.D.; Dritz, S.S.; Hasted, C.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 350 pigs (PIC, initially 19.7 lb and 22 ± 2 d of age) was used to evaluate the effects of select menhaden fishmeal and stabilized poultry meal source on growth performance of nursery pigs. Seven dietary treatments ...
  • The effects of reducing dietary crude protein and/or adding chicory on composition and odor of stored swine manure
    Hanni, S.M.; DeRouchey, J.M.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Dritz, S.S.; Groesbeck, C.N.; Young, M.G.; Lawrence, K.R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A feeding study was conducted to compare nutrient excretion and odor analysis of pigs fed either a conventional corn-soybean meal diet, or a diet formulated to minimize nutrient excretion and odors through use of crystalline ...
  • Evaluation of different soy protein concentrate sources on growth performance of weanling pigs
    Lenehan, N.A.; Goodband, R.D.; Tokach, M.D.; Dritz, S.S.; Nelssen, J.L.; Barker, M.R.; Frantz, N.Z.; Groesbeck, C.N.; Iwasawa, T.; Keegan, T.P.; Lawrence, K.R. (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 ...