Browsing Swine Day, 2000 by Author "DeRouchey, J.M."

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Browsing Swine Day, 2000 by Author "DeRouchey, J.M."

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  • Comparisons of lysine bioavailability in spray-dried blood meal, blood cells, and crystalline lysine in nursery pigs
    DeRouchey, J.M.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Woodworth, J.C.; James, B.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Three hundred thirty-three nursery pigs (initially 23.7 lb) were used in a 21-d growth assay to determine the lysine bioavailability of spray-dried blood meal, blood cells, and crystalline lysine on growth performance. ...
  • Effects of dietary electrolyte balance on sow and litter performance, blood chemistry, and urine chemistry in lactating sows
    DeRouchey, J.M.; Hancock, J.D.; Hines, R.H.; Maloney, C.A.; Lee, D.J.; Dean, D.W.; Cao, H.; Park, J.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Decreasing the dietary electrolyte balance (dEB) in diets for lactating sows from 500 to 100 mEq/kg increased piglet survivability but had no effect on litter weight gain. Decreased dEB reduced pH and bacteria in the ...
  • Effects of free fatty acid concentrations in choice white grease on growth performance and nutrient digestibility in weanling pigs
    DeRouchey, J.M.; Hancock, J.D.; Hines, R.H.; Cao, H.; Maloney, C.A.; Dean, D.W.; Lee, D.J.; Park, J.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    As much as 53% free fatty acids in choice white grease did not adversely affect piglet performance. Thus, concentration of free fatty acids, if they are not otherwise damaged or rancid, is not an acceptable measure of ...
  • Effects of gamma ray and electron beam irradiation levels in spray-dried blood meal on nursery pig performance
    DeRouchey, J.M.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Woodworth, J.C.; Webster, M.J.; James, B.J.; Real, D.E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Three hundred weanling pigs (initially 23.7 lbs and 17 ± 6 d of age) were used in a 19-d growth assay to determine the effects of increasing levels (2.5, 5.0, and 10.0, and 20.0 kGy) of gamma ray and electron beam irradiation ...
  • Effects of increasing levels of spray-dried blood meal and blood cells on nursery pig performance
    DeRouchey, J.M.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; James, B.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Three hundred fifty weanling pigs (initially 14.6 lbs and 17 ± 2 d of age) were used in a 19-d growth assay to determine the effects of increasing levels (2.5, 5.0, and 7.5%) of spray-dried blood meal or blood cells in ...
  • Effects of irradiation of spray-dried blood meal and animal plasma on nursery pig growth performance
    DeRouchey, J.M.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Dritz, S.S.; James, B.W.; Webster, M.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Two trials were conducted to determine the effects of irradiation of spray-dried blood meal and animal plasma on nursery pig growth performance. In Exp. 1, irradiation of spray-dried blood meal resulted in improved ADG ...
  • Effects of irradiation processing of speciality protein products on nursery pig performance
    DeRouchey, J.M.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Dritz, S.S.; Woodworth, J.C.; Webster, M.J.; James, B.W.; Real, D.E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Three hundred weanling pigs (initially 13.4 lb and 20 ± 2 d of age) were used in a 14-d growth assay to determine the effects of irradiation processing of specialty protein products on nursery pig performance. ...
  • Effects of rancidity in choice white grease on growth performance and nutrient digestibility in weanling pigs
    DeRouchey, J.M.; Hancock, J.D.; Hines, R.H.; Cao, H.; Maloney, C.A.; Dean, D.W.; Lee, D.J.; Park, J.S. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Our data suggest that adding slightly rancid choice white grease with peroxide values of 40 mEq/kg and less and p-anisidine values of 10.6 and less to diets will not decrease growth performance in nursery pigs. However, reduced ...
  • Influence of dietary niacin on finishing pig performance and meat quality
    Real, D.E.; Nelssen, J.L.; Tokach, M.D.; Goodband, R.D.; Dritz, S.S.; Unruh, J.A.; DeRouchey, J.M.; Woodworth, J.C.; Webster, M.J.; James, B.W.; Alonso, E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    One hundred forty-four finishing pigs were used to determine the influence of added dietary niacin on their growth performance and meat quality. Gilts grew slower, ate less, and were more efficient than barrows for the ...
  • Influence of dry, extruded-expelled soybean meal from different manufacturers on growth performance of nursery pigs
    Woodworth, J.C.; DeRouchey, J.M.; Tokach, M.D.; Nelssen, J.L.; Goodband, R.D.; Steidinger, M.U. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    A total of 150 pigs (initially 22 lb; 42 d of age) was used to determine the influence of dry, extruded-expelled soybean meal from three different manufacturers on growth performance of pigs. No differences were observed ...
  • The optimum isoleucine:lysine ratio in starter diets to maximize growth performance of the early-weaned pig
    James, B.W.; Goodband, R.D.; Tokach, M.D.; Nelssen, J.L.; DeRouchey, J.M. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    A total of 360 weanling pigs (initially 12.3 lb BW and approximately 18 d of age) was used in a 14-d growth assay to determine the optimal isoleucine:lysine ratio to maximize growth performance. The 12 experimental ...
  • 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 ...
  • Variation in the digestiility of amino acids in soybean meal from a single processing plant
    Lee, D.J.; Hancock, J.D.; DeRouchey, J.M.; Maloney, C.A.; Dean, D.W.; Cao, H. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Digestibilities of amino acids among samples of soybean meal (SBM) collected during a fall harvest season (4 collections made 15 d apart) were similar, except that true digestibility from tryptophan was lower for a sample ...