Browsing by Author "Richert, B.T."

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Browsing by Author "Richert, B.T."

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  • Extruded corn, sorghum, wheat, and barley for finishing pigs
    Hancock, J.D.; Hines, R.H.; Richert, B.T.; Gugle, T.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1992)
    Eighty barrows (113.7 lb average initial weight) were used to determine the effects of extruding corn, sorghum, wheat, and barley on growth performance, carcass merit, nutrient digestibility, and changes in stomach ...
  • Extruded sorghum and soybeans for nursery pigs
    Richert, B.T.; Hancock, J.D.; Hines, R.H. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1992)
    Two experiments were conducted to determine the effects of extruding sorghum and soybeans for weanling pigs. The first experiment involved 66 piglets with an average age of 19 d and average weight of 10.8 lb. Two diets ...
  • In vitro branched chain amino acid oxidation by porcine mammary tissue
    Richert, B.T.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1995)
    Mammary secretory tissue from six (three each of parity 1 and 2) lactating sows (d 10 to 17 of lactation) was obtained via biopsy for in vitro incubation to determine CO2 production fr01TI individual branched chain amino ...
  • Increasing valine, isoleucine, and total branched chain amino acids for the lactating sow
    Richert, B.T.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    One hundred eighty-five sows were used to evaluate effects of the interrelationship between isoleucine and valine on sow and litter performance. Litter weight and weight gain at weaning increased as dietary valine, isoleucine, ...
  • Influence of diet complexity and weaning age on carcass characteristics and growth performance from weaning to market
    Dritz, S.S.; Signer, T.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Owen, K.Q.; Musser, R.M.; Smith, J.W. II; Richert, B.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    A total of 180 barrows (initially 7.4 or 11.9 lb and 9 or 19 d of age) was used in a growth assay to determine the influence of two weaning ages and three diet complexity sequences on growth performance and carcass cha ...
  • Influence of dietary lysine on growth performance of high-lean growth gilts fed from 160 to 300 lb
    Friesen, K.G.; Nelssen, J.L.; Goodband, R.D.; Tokach, M.D.; Unruh, J.A.; Kropf, D.H.; Owen, K.Q.; Richert, B.T.; Kats, L.J.; Kerr, B.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    One-hundred eight high-lean growth gilts (159.6 lb) were used to determine the dietary lysine requirement to optimize growth performance from 160 to 300 lb. The experiment was designed as a randomized complete block, ...
  • The influence of increasing dietary methionine on the performance of the early-weaned pig (10 ± 4 d of age)
    Owen, K.Q.; Nelssen, J.L.; Goodband, R.D.; Tokach, M.D.; Dritz, S.S.; Kats, L.J.; Richert, B.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    Four hundred thirty-five pigs (initially 7.7 lb and 10.1 ± 4 d of age) were used to determine the influence of increasing dietary methionine on growth performance of the early-weaned pig (10 d of age). Pigs were blocked ...
  • Influence of spray-dried plasma source on growth performance of weanling pigs
    Rantanen, M.M.; Nelssen, J.L.; Goodband, R.D.; Tokach, M.D.; Smith, J.W. II; Richert, B.T.; Friesen, K.G.; Russell, L.E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    Six hundred twenty six pigs (initially 9 lb and 13.2 d of age) were used in a 28-d growth trial to determine the effect of spraydried porcine (SDPP), spray-dried bovine (SDBP), and low-ash porcine plasma (LAPP) on growth ...
  • The influence of threonine:lysine ratios on growth performance and on plasma urea nitrogen in growing-finishing pigs fed from 85 to 240 lb
    Friesen, K.G.; Kats, L.J.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D.; Owen, K.Q.; Richert, B.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    Eighty crossbred pigs (initially 85.2 lb BW) were used in a 2 × 4 factorial arrangement to determine the influence of dietary threonine:lysine ratios on growth performance and plasma urea N in growing-finishing pigs. The ...
  • Integrated swine systems "the animal component " - phase one; the Kansas State University survey
    Richert, B.T.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    A total of 650 questionnaires were sent to Kansas swine producers, and 279 were returned. There was an excellent distribution in producer size based on number of pigs marketed per year and producer age and educational ...
  • Interactions among lactose, spray-dried animal plasma, and soybean meal levels may affect 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.; Musser, R.E.; Owen, K.Q.; Smith, J.W. II; Richert, B.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1995)
    Pigs weaned in a segregated early weaning (SEW) environment achieved maximum performance when fed a sequence of diets containing a gradual decrease in spray-dried animal plasma. Furthermore, pigs weaned at approximately ...
  • The interrelationship between genotype, sex, and dietary lysine effects on carcass characteristics in 230 and 280 lb finishing pigs
    Friesen, K.G.; Nelssen, J.L.; Unruh, J.A.; Goodband, R.D.; Tokach, M.D.; Weeden, T.L.; Richert, B.T.; Kats, L.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1992)
    One hundred and twenty pigs (initially 96 lb BW) were slaughtered either at 230 lb (40 pigs) or at 280 lb (80 pigs) to determine the interrelationship between genotype, sex, and dietary lysine effect on carcass ...
  • Kansas State University swine enterprise record summary
    Richert, B.T.; Goodband, R.D.; Langemeier, M.L.; Tokach, M.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    Approximately 15 swine operations are enrolled in the 1993 to 1994 Kansas Swine Enterprise Record Program provided by Kansas State University. This program evaluates biological and economic performance and is part of ...
  • Kansas State University Swine Enterprise Record summary
    Richert, B.T.; Goodband, R.D.; Langemeier, M.L.; Tokach, M.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    Approximately 30 swine operations are enrolled in the 1992 - 93 Kansas Swine Enterprise Record Program provided by Kansas State University. This program evaluates biological and economic performance and is part of a ...
  • Low protein corn does not influence finishing pig performance
    Musser, R.E.; Goodband, R.D.; Kerr, C.A.; Nelssen, J.L.; Tokach, M.D.; Richert, B.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    A total of 150 pigs was used to evaluate the effects of corn with different crude protein content on growth performance of finishing pigs. Our objective was to determine if low protein corn might result in poorer pig ...
  • Optimal dietary sequence in a nursery-phase feeding program for segregated early-weaned (9±1 d of age) pigs
    Dritz, S.S.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Owen, K.Q.; Kats, L.J.; Richert, B.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    Two hundred forty weanling pigs (initially 7.2 lb BW and 9 + 1 d of age) were used to compare four dietary sequences of three diets in a 21-d growth trial. Diet A was formulated to contain 1.7% lysine and contained 7.5% ...
  • Selection for increased in vitro digestibility improves feeding value of sorghum grain
    Healy, B.J.; Hancock, J.D.; Bramel-Cox, P.J.; Richert, B.T.; Klopfenstein, C.F.; Witt, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1991)
    Six cannulated barrows and two hundred eighty-eight chicks were used in an experiment to determine the value of an in vitro protein digestibility assay (pepsin digest) for identification of sorghum parent Iines with ...
  • Selection for increased in vitro digestibility improves feeding value of sorghum grain
    Healy, B.J.; Hancock, J.D.; Bramel-Cox, P.J.; Richert, B.T.; Klopfenstein, C.F.; Witt, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1991)
    Six cannulated barrows and two hundred eighty-eight chicks were used in an experiment to determine the value of an in vitro protein digestibility assay (pepsin digest) for identification of sorghum parent lines with ...
  • Summary of Kansas State University swine enterprise record
    Goodband, R.D.; Richert, B.T.; Langemeier, M.L.; Tokach, M.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1995)
    The Kansas Swine Enterprise Record Program evaluates biological and economic performance and is part of a cooperative record-keeping project with extension personnel and swine producers in Kansas, Nebraska, and South Dakota. ...
  • Use of whey protein concentrate, dried buttermilk, and porcine plasma protein to replace dried skim milk in diets for weanling pigs
    Richert, B.T.; Hancock, J.D.; Hines, R.H. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1992)
    One hundred thirty-two weanling pigs, with an average age of 19 d and average weight of 8.4Ib, were used in a 28-d growth assay to determine the effects of replacing dried skim milk (DSM) with dried whey protein concentrate ...