Browsing by Author "Keegan, T.P."

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Browsing by Author "Keegan, T.P."

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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 heart girth or flank-to-flank measurements for predicting sow weight
    Iwasawa, T.; Young, M.G.; Keegan, T.P.; Tokach, M.D.; Dritz, S.S.; Goodband, R.D.; DeRouchey, J.M.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2004)
    In previous Swine Day Reports we have demonstrated that feeding sows in gestation on the basis of body weight and backfat thickness is more precise and economical than methods of feeding based on visual observation of ...
  • 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 CA:P ratio in diets containing phytase on growth performance of grow-finish pigs
    Hanni, S.M.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Dritz, S.S.; Barker, M.R.; Groesbeck, C.N.; Keegan, T.P.; Lawrence, K.R.; Young, M.G.; James, B.W. (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 ...
  • Effects of paylean (ractopamine⋅HCl) on finishing pig growth and variation
    Barker, M.R.; Dritz, S.S.; Goodband, R.D.; Tokach, M.D.; Groesbeck, C.N.; Hanni, S.M.; Hastad, C.W.; Keegan, T.P.; Lawrence, K.R.; Young, M.G. (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 ...
  • 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 ...
  • 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 ...
  • Evaluation of hemicell® on growth performance of late nursery pigs
    Lenehan, N.A.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Dritz, S.S.; Groesbeck, C.N.; Hastad, C.W.; Keegan, T.P.; Lawrence, K.R.; Young, M.G. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A total of 276 pigs (initially 21.9 lb) was used to determine the effects of added Hemicell® on growth performance. Hemicell® is a patented fermentation product of Bacillus lentus. The active ingredient in the fermentation ...
  • Evaluation of the effects of wheat gluten source and animal plasma blends on the growth performance of nursery pigs
    Lawrence, K.R.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L.; Dritz, S.S.; DeRouchey, J.M.; Hanni, S.M.; Groesbeck, C.N.; Hastad, C.W.; Young, M.G.; James, B.W.; Keegan, T.P. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    A total of 472 weanling pigs (initially 13.5 lb) were used in two experiments to evaluate the effects of wheat gluten source (WG) and combinations with spray-dried animal plasma (SDAP) on growth performance of ...
  • Interactive effects between pantothenic acid and ractopamine HCl (paylean®) on growth performance and carcass characteristics of growing-finishing pigs
    Groesbeck, C.N.; Goodband, R.D.; Tokach, M.D.; Dritz, S.S.; Nelssen, J.L.; DeRouchey, J.M.; James, B.W.; Keegan, T.P.; Lawrence, K.R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2004)
    Two experiments were conducted to evaluate the interactive effects between added pantothenic acid and ractopamine HCl (Paylean®) on growth performance and carcass traits of growing-finishing pigs. In Exp. 1, 156 pigs (PIC, ...
  • The optimal true ileal digestible lysine and threonine requirement for nursery pigs between 25 and 55 lb
    Lenehan, N.A.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Dritz, S.S.; DeRouchey, J.M.; 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. (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 ...
  • Use of dried distiller’s grains with soluble for swine diets
    Hastad, C.W.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Dritz, S.S.; DeRouchey, J.M.; Groesbeck, C.N.; Lawrence, K.R.; Lenehan, N.A.; Keegan, T.P. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A large increase in the number of ethanol plants has lead to increased availability of dried distiller’s grains with solubles (DDGS). New plants also have improved processing techniques, which makes DDGS more attractive ...