Browsing by Author "Richert, B.T."

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Browsing by Author "Richert, B.T."

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  • Appropriate methionine:lysine ratio for the segregated early-weaned pig
    Owen, K.Q.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D.; Dritz, S.S.; Richert, B.T.; Friesen, K.G. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    A total of 350 crossbred pigs (9.0 ± 2 d old and 8.4 lb +f- 2.5 BW) was used to determine the appropriate methionine: lysine ratio in diets for the segregated early-weaned pig. Two lysine levels (1.8 and 1.4%) and five ...
  • Combinations of select menhaden fish meal and spray-dried plasma protein in the transition diet (11 to 15 lb) for the early-weaned pig
    Bergstrom, J.R.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Owen, K.Q.; Nessmith, W.B. Jr; Richert, B.T.; Smith, J.W. II; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1995)
    Early-weaned pigs (weaned at 7 to 14 d of age) that are managed in a conventional, one-site production system require a more complex diet in the transition phase (11 to 15 lb) than early-weaned pigs that are managed in a ...
  • Comparison of norse LT-94 (herring meal) to other protein sources in early-weaned starter pig diets
    Richert, B.T.; Smith, J.W. II; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    Two growth trials were conducted to compare Norse LT-94 to other protein sources in starter pig diets. In trial 1, 270 weanling pigs (initially 13.7 lb and 20 d of age) were used to compare Norse LT-94 (herring meal), ...
  • Determining the optimal threonine: lysine ratio in starter diets for the segregated early-weaned pig
    Bergstrom, J.R.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Owen, K.Q.; Richert, B.T.; Nessmith, W.B. Jr.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1995)
    A 35-day growth trial was conducted to determine the threonine: lysine ratio necessary to optimize growth performance of the segregated early-weaned (SEW) pig. Twelve experimental diets included two levels of lysine (1.15% ...
  • Determining the valine requirement of the mgr-producing lactating sow
    Richert, B.T.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Pettigrew, J.E.; Walker, R.D.; Johnston, L.J.; Blum, S.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    Two hundred-three large white x Landrace or large white x Chester White x Landrace sows (40 or 41/treatment, avg parity 3.7) were used in a 26 d lactation experiment to determine the valine requirement of high-producing ...
  • Dietary lysine requirements of segregated early-weaned pigs
    Owen, K.Q.; Nelssen, J.L.; Goodband, R.D.; Tokach, M.D.; Richert, B.T.; Friesen, K.G.; Smith, J.W. II; Bergstrom, J.R.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    A total of 320 (160 barrows and 160 gilts) 14- to 18-d-old pigs (initially 10.2 ± 2.2 lb) was used to determine the optimal level of dietary lysine needed for the segregated early-weaned pig. Two diet formulation methods ...
  • Effecfs of wheat gluten on nursery pig performance
    Richert, B.T.; Hancock, J.D.; Morrill, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1992)
    One hundred eighty weanling pigs, averaging 23 d of age and 12.6 lb initial weight, were used to evaluate spray-dried wheat gluten (WG) in phase 1 (d 0 to 14) and(or) phase 2 (d 14 to 37) nursery diets. Phase 1 treatments ...
  • Effect of chelated manganese on growth performance and carcass characteristics of finishing pigs
    Kats, L.J.; Nelssen, J.L.; Goodband, R.D.; Tokach, M.D.; Friesen, K.G.; Owen, K.Q.; Richert, B.T.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    A total of 80 medium-lean growth crossbred barrows (initially 77 lb) was used in a study to evaluate the effect of manganese level (24, 44, or 88 ppm) and source (inorganic vs chelated manganese) on growth performance ...
  • Effect of chelated trace minerals on nursery pig growth performance
    Richert, B.T.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D.; Kats, L.J.; Nuzback, D.E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    A total of 442 weanling pigs (initial age and wt of 22 d and 14.4 lb, respectively) was used on a commercial farm in northeast Kansas to evaluate growth performance with diets containing a chelated trace mineral premix ...
  • The effect of dietary threonine on growing pig growth performance
    Friesen, K.G.; Nelssen, J.L.; Goodband, R.D.; Richert, B.T.; Laurin, J.L.; Weeden, T.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1992)
    Sixty pigs (initially 68.57 lb BW) were used in a 28-d growth trial to determine the effect of increased dietary threonine on growth performance for the grower pig. The basal diet was formulated with corn and peanut ...
  • Effect of feeder design on finishing pig growth performance
    Rantanen, M.M.; Goodband, R.D.; Hines, R.H.; Nelssen, J.L.; Tokach, M.D.; Richert, B.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    A total of three hundred pigs (initial BW = 111.6 lb) was used in two identical 70-d growth trials to determine the effect of feeder design on finishing pig growth performance. Pigs were allotted by initial body weight ...
  • The effect of lysine and valine fed during lactation on sow and litter lactation performance
    Richert, B.T.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L.; Campbell, R.G.; Kershaw, S.; Blum, S.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    Two hundred two sows (98 parity 1 and 104 parity 2 sows) were used in a 2 x 3 factorial arrangement of treatments to determine the effect of dietary valine and lysine on sow lactation performance. Treatments included two ...
  • Effect of methionine:lysine ratio on growth performance and blood metabolites of growing-finishing pigs
    Kats, L.J.; Friesen, K.G.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D.; Richert, B.T.; Owen, K.Q. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    Eighty growing-finishing pigs (40 barrows and 40 gilts) were used in three consecutive growth assays to determine the optimum methionine:lysine ratio for pigs weighing from 48 to 107 lb, 120 to 179 lb, and 191 to 245 lb, ...
  • The effect of pre-weaning exposure to soybean meal on subsequent post-weaning growth performance in the early-weaned pig
    Friesen, K.G.; Goodband, R.D.; Nelssen, J.L.; Blecha, Frank; Reddy, D.N.; Reddy, P.G.; Richert, B.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1991)
    Two hundred and forty pigs averaging 11.3 lb and 21 d of age were utilized to determine the effect of pre-weaning exposure to soybean meal on nursery performance. Pigs were derived from sows that were fed either a ...
  • Effect of replacing milk proteins with wheat gluten and soybean products on digestibility of nutrients and growth performance in nursery pigs
    Richert, B.T.; Hancock, J.D.; Morrill, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1991)
    Two experiments were conducted to evaluate the nutritional value of processed wheat gluten for early-weaned pigs. The first experiment involved 72 weanling pigs with an avg age of 20 d and avg wt of 9.2 lb. Six diets ...
  • Effect of replacing milk proteins with wheat gluten and soybean products on digestibility of nutrients and growth performance in nursery pigs
    Richert, B.T.; Hancock, J.D.; Morrill, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1991)
    Two experiments were conducted to evaluate the nutritional value of processed wheat gluten for early-weaned pigs. The first experiment involved 72 weanling pigs with an avg age of 20 d and avg wt of 9.2 lb. Six diets ...
  • Effect of spray-dried blood meal in the phase III diet
    Kats, L.J.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D.; Friesen, K.G.; Richert, B.T.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    A total of 216 weanling pigs was used to evaluate the use of spray-dried blood meal (SDBM) in the phase III diet for pigs weighing approximately 25 pounds. At weaning, pigs (initially 11.6 lb and 21 d of age) were allotted ...
  • The effect of spray-dried plasma source on starter pig performance
    Smith, J.W. II; Richert, B.T.; Nelssen, J.L.; Goodband, R.D.; Tokach, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    A total of 416 pigs (initially 9.36 Ib and 15 d of age) was used in a 28-d growth assay to evaluate the effects of spray-dried plasma source on starter pig performance. Pigs were blockedby weight and allotted to one of ...
  • The effects of added salt in the phase II starter pig diet
    Kerr, C.A.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L.; Dritz, S.S.; Richert, B.T.; Bergstrom, J.R.; Nessmith, W.B. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    A total of 178 pigs (initially 10.5 Ib and 19 d of age) was used to compare the effects of added salt in the Phase II (d 14 to 28 postweaning) diet. Pigs were alloted by sex and inital weight and placed in pens containing ...
  • Effects of application of water and nitrogen on nutrient use from corn and sorghums by pigs
    Richert, B.T.; Hancock, J.D.; Bramel-Cox, P.J.; Witt, M.D.; Healy, B.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    An experiment was conducted to determine the effects of growing conditions on nutrient yield and quality of corn and sorghum. Main effect treatments were: corn (C), bronze pericarp heterozygous-yellow endosperm sorghum ...