Browsing by Author "Tokach, M.D."

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Browsing by Author "Tokach, M.D."

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  • Genetic background influences pig growth rate responses to porcine circovirus type 2 (pcv2) vaccines
    Potter, M.L.; Tokach, L.M.; Dritz, S.S.; Henry, S.C.; DeRouchey, J.M.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Rowland, R.R.R.; Oberst, R.D.; Hesse, R.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2008)
    A total of 454 pigs (21 d of age, 13.4 lb) were used in a 130-d field study to investigate porcine circovirus type 2 (PCV2) vaccine effects on growth performance of boars and gilts of 4 different genetic backgrounds: A×A ...
  • Genetic background influences pig growth rate responses to porcine circovirus type 2 (pcv2) vaccines
    Potter, M.L.; Tokach, L.M.; Dritz, S.S.; Henry, S.C.; DeRouchey, J.M.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Rowland, R.R.R.; Oberst, R.D.; Hesse, R.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2008)
    A total of 454 pigs (21 d of age, 13.4 lb) were used in a 130-d field study to investigate porcine circovirus type 2 (PCV2) vaccine effects on growth performance of boars and gilts of 4 different genetic backgrounds: A×A ...
  • Growth and microbiology of nonmedicated, segregated, early-weaned pigs
    Dritz, S.S.; Chengappa, M.M.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Vorhies, M.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    Seventy pigs, 7 to 10 d of age, were randomly selected by litter of origin from a commercial farm in Northeast Kansas to compare the growth and microbiology of nonmedicated, segregated, early-weaned pigs to controls ...
  • 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 ...
  • Inadequate diet mixing time reduces nursery pig performance
    Groesbeck, C.N.; Goodband, R.D.; Tokach, M.D.; Dritz, S.S.; Nelssen, J.L.; DeRouchey, J.M.; Neill, C.R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2005)
    Although the importance of thoroughly mixing diets is often emphasized, little data is available to quantify the impact of inadequate mixing on pig growth performance. Therefore, a 28-d trial was conducted to evaluate the ...
  • Incidence and severity of Arcanobacterium pyogenes injection site abscesses with needle or needle-free injection methods
    Gerlach, B.M.; Houser, T.A.; Hollis, L.C.; Tokach, M.D.; Nietfeld, J.C.; Higgins, J.J.; Anderson, G.A.; Goehring, B.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009)
    A total of 198 nursery age pigs were used to evaluate the difference in the occurrence of injection site abscesses between needle-free jet injection and conventional needle-and-syringe injection systems. Pigs were fed for ...
  • 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 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 a single injection of beta carotene and/or vitamin A at weaning on subsequent reproductive performance of sows
    Tokach, M.D.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    A total of 956 sows was used to determine the influence of a single injection of beta carotene, vitamin A, or the combination of beta carotene and vitamin A at weaning on subsequent reproductive performance. At weaning, ...
  • Influence of added zinc from zinc oxide on starter pig performance
    Woodworth, J.C.; Tokach, M.D.; Dritz, S.S.; Nelssen, J.L.; Goodband, R.D.; O'Quinn, P.R.; Fakler, T.M. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1998)
    Three hundred and sixty early-weaned barrows were fed diets containing increasing levels of added Zn from zinc oxide (0, 50, 100, 200, 400, 800, 1,600, 2,400, and 3,200 ppm). From d 11 to 21, growth performance improved ...
  • Influence of added zinc from zinc oxide or a zinc amino acid complex on starter pig growth performance
    Woodworth, J.C.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; O'Quinn, P.R.; Moser, S.A.; Musser, R.E.; Fakler, T.M. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1998)
    A total of 360 pigs (initially 11.5 lb and 16 d of age) was fed a negative control diet containing no added Zn; one of six diets containing 165 ppm Zn from zinc oxide from the trace mineral premix and added AvailaZn (0, ...
  • Influence of added zinc from zinc sulfate on weanling pig growth performance and plasma zinc concentration
    Woodworth, J.C.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; O'Quinn, P.R.; Sawyer, J.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1999)
    A total of288 weanling pigs (13.4lb and 18 d of age) was used in a 27 d growth assay to determine the effects of adding Zn from ZnS04 or ZnO on growth performance. Pigs were allotted to one of eight dietary treatments ...
  • Influence of antimicrobial sequence in the nursery on pig performance and economic return
    Steidinger, M.U.; Tokach, M.D.; Dau, D.; Dritz, S.S.; DeRouchey, J.M.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2008)
    A total of 1,008 pigs (11.9 lb and 19 d of age) were used in a 42-d experiment to determine the influence of antibiotic regimen on growth performance and economic return. From d 0 to 10, pigs were fed diets containing ...
  • Influence of buffered propionic and fumaric acids on starter pig performance
    Bergstrom, J.R.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Signer, T.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    A 28 d growth trial was conducted to determine the effects of adding organic acids to a Phase I starter diet on pig performance. At weaning (13 ± 2 d of age and 8.86 lb), 300 pigs were blocked by weight and allotted to ...
  • Influence of calcium propionate on starter pig performance
    Real, D.E.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Dritz, S.S.; Woodworth, J.C.; Webster, M.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    A 24-d growth study was conducted to evaluate the effects of low rates of a dietary acidifier, calcium propionate, on weanling pig growth performance. Experimental diets, fed from d 0 to 10, were a control diet with no ...
  • Influence of carnichrome® on energy balance of gestating sows
    Young, M.G.; Tokach, M.D.; Noblet, J.; Aherne, F.X.; Dritz, S.S.; Goodband, R.D.; Nelssen, J.L.; van Milgen, J.; Woodworth, J.C. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    Twelve multiparous sows were utilized in a randomized complete block design to determine the effects of feeding diets with or without Carnichrome® (50 ppm carnitine and 200 ppb chromium picolonate) on the components of ...
  • Influence of chromium source on plasma non-esterified fatty acid concentrations in growing-finishing pigs
    Groesbeck, C.N.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Nelssen, J.L.; Lawrence, K.R.; Valdez, F. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2004)
    A total of 150 pigs (PIC, initial body weight 178.9 ± 14.7 lb) were used in a 35-d study to evaluate the effect of chromium propionate and chromium tripicolinate on plasma non-esterifed fatty acids (NEFA) in growing-finishing ...
  • 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 carnitine and/or chromium on blood parameters of gestating sows
    Woodworth, J.C.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Dritz, S.S.; Koo, S.I.; Minton, J.E.; Owen, K.Q. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    Gestating sows (n=44; parity=2.0; BW=458 lb) were used to determine the effects of dietary Carnitine and/or chromium picolinate on daily blood parameter profiles. Diets were formulated as a 2 × 2 factorial with carnitine ...
  • The influence of dietary energy level on the response to betaine
    Young, M.G.; Dritz, S.S.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2001)
    A total of 800 pigs were used to evaluate the influence of dietary energy level on the response to betaine in finishing pig diets. Dietary treatments were arranged in a 2 × 2 factorial with or without betaine and ...