Browsing by Author "Nelssen, J.L."

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Browsing by Author "Nelssen, J.L."

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  • Particle size, mill type, and added fat influence flow ability of ground corn
    Groesbeck, C.N.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L.; Dritz, S.S.; Lawrence, K.R.; Hastad, C.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    We conducted three experiments to determine effect of particle size, mill type, and added fat on flow characteristics of ground corn. In Experiment 1, corn was ground with either a hammer mill or a roller mill to produce ...
  • Performance of weanling pigs fed diets containing various lactose sources
    O'Quinn, P.R.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D.; Bergstrom, J.R.; Loughmiller, J.A.; Musser, R.E.; Nessmith, W.B.Jr (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1996)
    Two growth trials were conducted to evaluate the effects of replacing the lactose provided by dried whey in the phase II diet with either deproteinized whey or an alternative lactose source, DairyLac 80®. No differences ...
  • The pH of spray-dried blood meal does not influence nursery pig performance
    DeRouchey, J.M.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Woodworth, J.C.; James, B.W.; Webster, M.J.; Real, D.E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Two studies were conducted to evaluate the effects of spray-dried blood meal and its pH on nursery pig performance. Spray-dried blood meal pH decreases as storage time increases prior to spray drying. In Exp. 1, addition ...
  • Phosphorus requirements of grow-finish pigs raised in a commercial environment
    Hastad, C.W.; Dritz, S.S.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; DeRouchey, J.M. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    We conducted three experiments to identify available phosphorus (aP) requirements of pigs reared in commercial facilities. In a pilot study (Exp. 1), 600 gilts (PIC, initially 95.2 lb) were randomly allotted to a low or ...
  • Porcine somatotropin and dietary lysine influence bone mineralization and mechanical properties in finishing swine
    Goodband, R.D.; Hines, R.H.; Nelssen, J.L.; Kropf, D.H.; Schricker, B.R.; Hancock, J.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1989)
    The femur, a rib, and third phalanx of the second digit from the front foot were collected from 108 barrows (initial wt = 125 lb) and analyzed to determine the effects of porcine somatotropin (pST) and dietary lysine on ...
  • Predicting growth rates of adult working boars in a commercial boar stud
    Sulabo, R.C.; Quackenbush, J.; Goodband, R.D.; Tokach, M.D.; Dritz, S.S.; DeRouchey, J.M.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2006)
    There is almost no information on ideal growth rates for adult boars, but estimates can be made if the relationship between boar weight and age is known. Therefore, this study was aimed to predict growth rates in adult ...
  • Predicting lysine requirements using protein and lipid accretion curves for growing-finishing barrows
    De La Llata, M.; Dritz, S.S.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1999)
    A total of240 growing-finishing barrows (75 to 260 lb) were used to model accretion rates and the lysine:calorie ratio requirement based on lipid and protein content data obtained with a real-time ultrasound. Barrows were ...
  • Predicting lysine requirements using protein and lipid accretion curves for growing-finishing gilts
    De La Llata, M.; Dritz, S.S.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1999)
    A total of240 growing-finishing gilts (60 to 260 lb) was used to model accretion rates and the lysine:calorie ratio requirement based on lipid and protein growth. Real-time ultrasound measurements were used to estimate lipid ...
  • Pyridoxine, but not thiamin, improves growth performance of weanling pigs
    Woodworth, J.C.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D.; Musser, R.E.; Loughmiller, J.A.; Moser, S.A.; Grinstead, G.S.; O'Quinn, P.R. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Two trials were conducted to determine whether pyridoxine or thiamine needs to be added to the diet for weanling pigs. In the first trial, weanling pigs were fed either a control diet or diets containing added thiamin ...
  • The relationship among live hog, carcass, and wholesale cut prices
    Keeler, G.L.; Langemeier, M.R.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    This study examined the relationship between live and carcass prices and the seasonality of live, carcass, and wholesale cut prices. Results using Omaha live prices suggested a unidirectional relationship between live ...
  • The relationship between body condition score and backfat in gestating sows
    Young, M.G.; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Dritz, S.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2001)
    Backfat and body condition score were measured on 731 sows in a commercial swine facility to assess the accuracy of feeding sows in gestation based on body condition score. Body condition score was poorly correlated (r2 ...
  • Relationship between ham composition and carcass composition in finishing swine
    Johnston, M.E.; Nelssen, J.L.; Goodband, R.D.; Kropf, D.H.; Hines, R.H. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    The relationship between ham and carcass composition of 120 barrows with an average initial weight of 130 lb was used to develop prediction equations to determine carcass composition based on ham composition. Eighty pigs ...
  • Replacing dried skim milk with select menhaden fish meal in a high nutrient density diet
    Stoner, G.R.; Nelssen, J.L.; Hines, R.H. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1988)
    A growth study was conducted to evaluate the possibility of replacing dried skim milk (DSM) with select menhaden fish (SMFM) in a high nutrient density diet. A total of 210, 3wk- old weaned pigs was utilized. Diets were ...
  • Sensory characteristics of loins from pigs fed glycerol and ractopamine HCl during the last 28 days of finishing
    Duttlinger, A.W.; Houser, T.A.; DeRouchey, J.M.; Tokach, M.D.; Dritz, S.S.; Nelssen, J.L.; Goodband, R.D.; Prusa, K.J.; Huskey, L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009)
    Sensory characteristics were evaluated on a total of 80 loins from pigs fed diets containing glycerol, ractopamine HCl (RAC), and a combination of glycerol and RAC during the last 28 d prior to harvest. A total of 1,054 ...
  • Sorting growing-finishing pigs by weight fails to improve growth performance or weight variation
    O’Quinn, P.R.; Dritz, S.S.; Goodband, R.D.; Tokach, M.D.; Swanson, J.C.; Nelssen, J.L.; Musser, R.E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    A trial was conducted to determine the effects of sorting pigs by body weight at placement on growth performance and weight variation at finishing. Unsorted pigs and heavy sorted pigs had higher ADG than medium or light ...
  • Soybean meal is necessary in diets for early-weaned (12 d of age) pigs
    Dritz, S.S.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Owen, K.Q. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    A total of 192 pigs (initially 8.0 lb and 12 d of age) was used to determine the optimal soybean meal level to be included in starter diets for the 12-d-old weaned pig. The trial was a 28 d growth assay. Pigs were allotted ...
  • Space requirement of finishing pigs fed to heavier weight
    Hines, R.H.; Goodband, R.D.; Nichols, D.A.; Nelssen, J.L. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1988)
    Two trials, using a total of 240, crossbred, finishing pigs were conducted to evaluate 7, 9, and 11 ft^2 space allowance per pig from approximately 115 lb to a market weight of 250 lb. Pigs were removed individually each ...
  • Space requirements of finishing pigs fed to an average pen weight of 250 pounds
    Hines, R.H.; Nicholson, R.I.; Goodband, R.D.; Fitzner, G.E.; Nelssen, J.L.; Nichols, D.A.; Hancock, J.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1989)
    Space allowances of 6, 8, 10, and 12 ft^2 were evaluated for pigs fed from 130 lb to a pen average of 250 lb. Average daily gain and average daily feed intake. increased linearly (P<.05) as space allowance increased. ...
  • Spray-dried egg protein in diets for early-weaned starter pigs
    Owen, K.Q.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Kats, L.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    A total of 197 weanling pigs (initially 11.7 lb and 18 d of age) was used in a 28 d growth trial to determine the influence of spray-dried egg protein as a protein substitute for either soybean meal or spray-dried porcine ...
  • 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. ...