Browsing Swine Day, 1996 by Author "Dritz, S.S."

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Browsing Swine Day, 1996 by Author "Dritz, S.S."

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  • Determining the optimal isoleucine:lysine ratio for the 25 to 50 lb pig
    Bergstrom, J.R.; Nelssen, J.L; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Loughmiller, J.A.; Musser, R.E.; Nessmith, W.B.,Jr. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    A 21-day growth trial was conducted to determine the isoleucine: lysine ratio necessary to optimize growth performance of the 25 to 50 lb nursery pig reared in a segregated early-weaning (SEW) system. Ten experimental ...
  • Determining the optimal isoleucine:lysine ratio in diets for the segregated early-weaned pig
    Bergstrom, J.R.; Nelssen, J.L; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Loughmiller, J.A.; Musser, R.E.; Nessmith, W.B.Jr. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    A 14-d growth trial was conducted to evaluate effects of increasing isoleucine: lysine ratios on growth performance of the segregated early-weaned pig. Twelve experimental diets included two levels of lysine (1.15%and ...
  • Determining the optimal threonine:lysine ratio for the 25 to 50 lb pig
    Bergstrom, J.R.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Loughmiller, J.A.; Musser, R.E.; Nessmith, W.B.Jr. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    A 21-day growth trial was conducted to determine the threonine: lysine ratio necessary to optimize growth performance of the 25 to 50 Ib pig reared in a high-health, segregated early-weaning (SEW) system. Ten experimental ...
  • Effects of antibiotics on shedding of salmonella typhimurium in experimentally inoculated pigs
    Hyatt, D.R.; Galland, J.C.; Dritz, S.S.; Nietfeld, J.; Irwin, C.; Davison, C. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    The objective of this experiment was to determine if antibiotics used as feed additives and disease treatment for livestock affect duration of shedding and colonization of tissues with Salmonella typhimurium in pigs. No ...
  • The effects of porcine reproductive and respiratory syndrome (PRRS) vaccination on postweaning growth performance
    Pretzer, S.D.; Claussen, K.M.; Bergstrom, J.R.; Henry, S.C.; Phillips, R.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    We evaluated the effects of a modified-live virus vaccine for PRRS virus on nursery growth performance. The pigs used in this study were obtained from a herd with substandard nursery growth performance attributed to PRRS ...
  • Effects of select menhaden fish meal fed during lactation on sow and litter performance
    Musser, R.E.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    A total of 317 lactating sows was fed either a corn-soybean meal diet (l.0%lysine) or a diet with a portion of the soybean meal replaced with 5% select menhaden fish meal on an equal lysine basis. Adding 5% select menhaden ...
  • Effects of split-nursing management on growth performance in nursing pigs
    Donovan, T.S.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    We evaluated the effects of split nursing the lightest 50% of pigs per litter or the lightest and heaviest 50% of pigs per litter at birth on growth performance until weaning. We did not observe any effects of split ...
  • Effects of spray-dried blood cells in lactation diets on sow and litter performance
    Dritz, S.S.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Weaver, E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    High producing sows were used to evaluate the effect of spray-dried blood cells as a dietary protein source on lactation performance and subsequent reproductive performance. No significant differences were observed between ...
  • Evaluation of spray-dried cheese food as a supplemental protein source for weanling pigs
    Loughmiller, J.A.; Nelssen, J.L.; Goodband, R.D.; Tokach, M.D.; Graf, P.S.; Dritz, S.S.; Bergstrom, J.R.; Muser, R.E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    A growth study was conducted to determine the effects of substituting spray-dried cheese food for spray-dried plasma protein on weanling pig performance. Five dietary treatments included the control diet or diets with ...
  • Evaluation of various specialty protein sources as replacements for spray-dried animal plasma in diets for segregated early-weaned pigs
    Nessmith, W.B.Jr.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Bergstrom, J.R.; Dritz, S.S.; Loughmiller, J.A.; Smith, J.W., II (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    We used high-health status, weanling pigs to evaluate six different protein sources as replacements for spray-dried animal plasma. Spray-dried blood meal, spray-dried egg, spray-dried wheat gluten, extruded soy protein ...
  • Influence of a probiotic/trace mineral mixture on growth performance and salmonella choleraesuis shedding in nursery pigs
    Dritz, S.S.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    We tested a probiotic/trace mineral mixture using a bacterial challenge model in high-health status pigs. We examined the influence of the mixture on growth performance, hematologic parameters, haptoglobin concentration, ...
  • Influence of lysine concentration on growth performance and carcass characteristics of finishing pigs
    Dritz, S.S.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    We used a total of 11,653 pigs to examine the influence of a lysine phase-feeding regimen on growth performance and carcass characteristics in finishing pigs. We found that the lysine regimen did not affect ADG. Also, ...
  • Influence of lysine concentration on growth performance and carcass characteristics of finishing pigs
    Dritz, S.S.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    We used a total of 11,653 pigs to examine the influence of a lysine phase-feeding regimen on growth performance and carcass characteristics in finishing pigs. We found that the lysine regimen did not affect ADG. Also, ...
  • The use of real-time ultrasound to model the growth performance and lysine requirements of growing-finishing pigs on commercial farms
    Smith, J.W.II; Tokach, M.D.; Schinckel, A.P.; Dritz, S.S.; Nelssen, J.L.; Goodband, R.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    Eighty pigs, 40 barrows and 40 gilts, on two commercial finishing operations were used to model growth and accretion rates. Major differences were observed between the two farms. This analysis indicates that real-time ultrasound ...
  • The use of real-time ultrasound to model the growth performance and lysine requirements of growing-finishing pigs on commercial farms
    Smith, J.W.II; Tokach, M.D.; Schinckel, A.P.; Dritz, S.S.; Nelssen, J.L.; Goodband, R.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    Eighty pigs, 40 barrows and 40 gilts, on two commercial finishing operations were used to model growth and accretion rates. Major differences were observed between the two farms. This analysis indicates that realtime ...