Browsing by Author "Nelssen, J.L."

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Browsing by Author "Nelssen, J.L."

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  • Tile effect of L-carnitine additions on performance and carcass characteristics of growing-finishing swine
    Owen, K.Q.; Weeden, T.L.; Nelssen, J.L.; Goodband, R.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1992)
    An experiment was conducted to evaluate the efficacy of dietary carnitine on growth performance and carcass characteristics of growing-finishing swine. The trial was designed to investigate the response of pigs fed ...
  • Transient hypersensitivity to soybean meal in the early-weaned pig
    Li, D.F.; Nelssen, J.L.; Reddy, G.; Blecha, Frank; Hancock, J.; Allee, G. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1988)
    An experiment was conducted to determine if baby pigs develop intestinal hypersensitivity to dietary soy protein. Challenging nursery pigs with soybean meal following oral infusion of soybean meal from day 7 to day 14 of ...
  • Use of dried distillers grains with solubles and soybean hulls in nursery pig diets
    Barbosa, F.F.; Dritz, S.S.; Tokach, M.D.; DeRouchey, J.M.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2008)
    A total of 3,186 pigs were used in two 21-d experiments to evaluate growth performance of nursery pigs fed different levels of dried distillers grains with soluble (DDGS) or soybean hulls. In each experiment, pigs (n = ...
  • 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 ...
  • The use of growth models to evaluate the changing response to digestible lysine in high-lean growth gilts
    Friesen, K.G.; Nelssen, J.L.; Schinckel, A.P.; Goodband, R.D.; Tokach, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    Conventional response criteria for amino acid research include mean live weight gain and tissue accretion rates over a given weight interval. However, these methods fail to characterize the changing response of tissue ...
  • Use of infrared thermography to evaluate differences in mean body surface temperature and radiant heat loss in growing pigs
    Loughmiller, J.A.; Spire, M.F.; Tokach, M.D.; Dritz, S.S.; Nelssen, J.L.; Goodband, R.D.; Hogge, S.B.; James, B.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Eighty barrows were used in two experiments to determine the relationship between feed intake or dietary energy concentration and mean body surface temperature (MBST) and mean body surface radiant heat loss (MBSL) as ...
  • Use of raw soybeans in sow diets
    Allee, G.L.; Li, De-Fa; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1985)
    Seventy-six gilts were used to evaluate the effects of feeding raw soybeans during gestation, lactation, and rebreeding on sow and litter performance. Reproductive performance during two parities was not impaired by feeding ...
  • 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 ...
  • 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 ...
  • Use of recombinant bovine cytokines in pigs vaccinated and challenged with streptococcus suis
    Blecha, Frank; Reddy, D.N.; Chitko-McKown, C.G.; Chengappa, M.M.; McVey, D.S.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1991)
    An experiment was conducted to determine the adjuvanticity of recombinant bovine interleukin-1β (rBoIL-1β) and recombinant bovine interleukin-2 (rBoIL-2) administered in conjunction with a single S. suis vaccination in ...
  • Using biotechnology to improve growth rate and carcass composition in swine
    Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1987)
    Biotechnology has developed a number of compounds that partition nutrients away from fat tissue deposition and towards lean (muscle) tissue accretion in swine. Two compounds that have received considerable research attention ...
  • Using heart girth to determine weight in finishing pigs
    Groesbeck, C.N.; Goodband, R.D.; DeRouchey, J.M.; Tokach, M.D.; Dritz, S.S.; Nelssen, J.L.; Lawrence, K.R.; Young, M.G. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    Heart girth and body weight were measured on 100 growing-finishing pigs (50 to 273 lb) at the KSU Swine Teaching and Research Center. Heart girth, in inches, was measured using a cloth measuring tape. The tape was placed ...
  • Using immunological criteria to predict utilization of soybean proteins by the early-weaned pig
    Li, D.F.; Nelssen, J.L.; Reddy, P.G.; Blecha, Frank; Klemm, R.D.; Hancock, J.D.; Goodband, R.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1989)
    Two trials were conducted to determine the suitability of soybean products for baby pigs. For trial 1, 40 weanling pigs were orally infused with .01 lb/pig/d of either dried skim milk (control), soybean meal (48% CP), soy ...
  • Using mixer efficiency testing to evaluate feed segregation in feed lines
    Groesbeck, C.N.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2004)
    An experiment was conducted to evaluate potential diet segregation in feed lines by measuring coefficient of variation (CV) and mean salt concentration. The facility was a 1500-head gestation barn with nine feed lines, ...
  • Validation of control diets for lactose and fish meal replacement studies in nursery pigs
    Sulabo, R.C.; Tokach, M.D.; DeRouchey, J.M.; Goodband, R.D.; Dritz, S.S.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2008)
    The objective of this study was to develop and validate control test diets to be used for lactose and fish meal replacement studies in nursery pigs. A total of 180 nursery pigs (PIC, initially 16.6 lb and 28 ± 2 d of age) ...
  • Validation of flank-to-flank allometric equations in predicting weight of lactating sows and lactation weight change
    Sulabo, R.C.; Tokach, M.D.; Dritz, S.S.; Wiedmann, E.J.; Goodband, R.D.; DeRouchey, J.M; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2007)
    The objectives of this study were to validate the use of flank-to-flank measurement in predicting weight of lactating sows and to determine the accuracy of the developed models in estimating lactation weight change. A total ...
  • Valine: a limiting amino acid for high-producing lactating sows
    Tokach, M.D.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    A total of 152 lactating sows was used to determine the influence of dietary valine level on sow and litter performance. During lactation, sows were fed corn-soybean meal based diets containing .9% lysine and either .75 ...
  • The value of drip versus spray cooling at two flow rates to reduce heat stress of finishing swine
    Nichols, D.A.; Thaler, R.C.; Murphy, J.P.; Hines, R.H.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1987)
    One hundred fifty pigs were used to evaluate the effectiveness of either spray cooling or drip sprinkling to reduce heat stress in finishing swine. In addition, water flow rates of .2 gal/pig/hr and .4 gal/pig/hr were ...
  • Variation in chemical composition of soybean hulls
    Barbosa, F.F.; Tokach, M.D.; DeRouchey, J.M.; Goodband, R.D.; Nelssen, J.L.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2008)
    The objective of this study was to examine the variation in chemical composition of soybean hulls. Our goal was to develop regression equations characterizing the nutritive value of soybean hulls for use in swine diets. ...
  • Will porcine somatotropin (pST) lower pork quali1y?
    Hunt, M.C.; Whipple-Van Patter, G.; Kropf, D.H.; Klemm, R.D.; Goodband, R.D.; Nelssen, J.L.; Hines, R.H.; Schricker, B.R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1989)
    The types and diameters of muscle fibers from 30 barrows that had received daily injections of porcine somatotropin (pST) or a placebo and were fed dietary lysine at .6, .8, 1.0 or 1.2% were determined. Fiber data indicated ...