Browsing by Author "Spire, M.F."

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Browsing by Author "Spire, M.F."

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  • Effects of melengestrol acetate (MGA) on performance and carcass quality of feedlot heifers
    Fox, J.T.; Drouillard, J.S.; Spire, M.F.; Kessen, T.J.; Sulpizio, M.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    Sixty yearling heifers (827 lb initial body weight) were fed finishing diets an average of 95 days. To eliminate social interaction and riding, they were fed in individual pens. Diets were formulated using steam-flaked ...
  • Effects of sickness on weight gain and radiant energy loss in recently received feeder cattle
    Spire, M.F.; Drouillard, J.S.; Sargeant, J.M. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2000)
    Sickness from undifferentiated respiratory disease in recently received feeder cattle reduced weight gain and altered radiant energy loss. Over a 35-day receiving period, weight gains were reduced 26.3% if an animal ...
  • Factors affecting pregnancy rates and calving difficulty in commercial beef heifers
    Utter, S.D.; Houghton, P.L.; Corah, L.R.; Spire, M.F.; Higgins, J.J.; Butine, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    Data from yearling Angus and Angus crossbred beef heifers from a commercial ranch were used to identify factors affecting pregnancy rates (n=342) and calving difficulty (n=295). Production data analyzed included prebreeding ...
  • Factors influencing first-service conception and overall pregnancy rates in commercial beef heifers
    Utter, S.D.; Houghton, P.L.; Corah, L.R.; Simms, D.D.; Spire, M.F.; Butine, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
    Commercial beef heifers (n=1863) from 16 different sources were used to evaluate the influence of management practices and biological traits on first-service conception and overall pregnancy rates. Frame score, initial ...
  • Genetic relationships among breeding soundness traits in yearling bulls
    Christmas, R.A.; Moser, D.W.; Spire, M.F.; Sargeant, J.M.; Tucker, S.K. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2001)
    Breeding soundness examination data on over 1,200 yearling Angus bulls were analyzed to determine heritability of and genetic relationships among breeding soundness traits. Breeding soundness exam procedures were ...
  • Immune response in feeder cattle fed different sources of dietary lipid
    Farran, T.B.; Drouillard, J.S.; Blasi, D.A.; Spire, M.F.; Sindt, J.J.; Montgomery, S.P.; Coetzer, C.M.; LaBrune, H.J.; Minton, J.E.; Higgins, J.J.; Elsasser, T.H. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    Two studies were conducted utilizing crossbred beef steers to evaluate immune response following endotoxin challenge. In Trial 1 steers (n = 20; 688 lb BW) were fed diets containing rolled full-fat soybeans (SOY) or ...
  • Implant quality assurance: detection of abscessed implants and their effect on feedlot performance of beef heifers
    Spire, M.F.; Blasi, D.A.; Drouillard, J.S.; Sargeant, J.M. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1999)
    Infrared thermography (IRT) can be used successfully to differentiate abscessed implanted ears from nonimplanted ears 8 days postimplanting. Abscessed ears averaged 5.7EF warmer than nonimplanted ears when ambient ...
  • Improper dosing using average cattle weights
    Hollis, L.C.; Blasi, D.A.; Spire, M.F.; Higgins, J.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2003)
    A retrospective analysis of 6,231 head of stocker and feeder cattle comprising 24 separate lots was conducted to evaluate the extent and degree of improper dosing that would have occurred in individual animals if all ...
  • Inflammatory response of feedlot cattle to clostridial vaccination: a comparison of 7-way bacterin-toxoid and C&D toxoid
    Stokka, G.L.; Brandt, R.T. Jr.; Edwards, A.J.; Spire, M.F.; Smith, J.E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    Twenty-four finishing steers (758 lb) were subcutaneously vaccinated and revaccinated 31 days later with 1) sterile saline, 2) a clostridial perfringens C&D toxoid, or 3) a 7-way clostridial bacterin-toxoid to evaluate ...
  • Influence of melengesterol acetate (MGA®) and Implus-H® implants on rate of gain, feed efficiency, and carcass characteristics of culled beef cows fed a high concentrate ration
    Spire, M.F.; Unruh, J.A.; Drouillard, J.S.; Galland, J.C. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1998)
    No statistical differences were detected in feedlot performance or carcass traits between control culled beef cows and those that were treated with melengesterol acetate (MGA®) and/or Implus-H® when fed in a feedyard ...
  • Infrared thermography of swine body surface temperatures and associated rectal temperatures during an acute respiratory disease challenge
    Loughmiller, J.A.; Spire, M.F.; Dritz, S.S.; Fenwick, B.W.; Hogge, S.; Foster, J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1999)
    An acute Actinobacillus pleuropneumonia challenge was used to study changes in rectal and radiant surface temperatures over 18 h. From 3.5 to 15 h after challenge, rectal temperatures were elevated in challenged pigs ...
  • Natural mating of estrus-synchronized heifers and indicators of bull fertility
    Pruitt, R.J.; Corah, L.R.; Simms, D.D.; Spire, M.F. (Kansas State University. Agricultural Experiment Station, 1982)
    In six trials involving 486 heifers and 23 bulls, we studied factors affecting pregnancy rates of estrus-synchronized heifers mated naturally and evaluated indicators of bull fertility. Heavier heifers and those in fleshier ...
  • Near infrared spectroscopy as a potential method to detect bovine respiratory disease
    Fox, J.T.; Spire, M.F. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2004)
    Bovine respiratory disease continues to be the leading cause of illness and death loss from weaning through finishing. There is no objective method to evaluate a live animal’s severity of sickness or their response to ...
  • Performance and carcass characteristics of finishing steers fed dried, full-fat corn germ
    Drouillard, J.S.; Kessen, T.J.; Sulpizio, M.J.; Spire, M.F.; Ethington, R.T. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2002)
    Three hundred and fifty-eight crossbred beef steers (average initial weight 701 lb) were fed finishing diets containing 0, 5, 10, or 15% full-fat corn germ to evaluate effects on growth performance and carcass chara ...
  • Revaccination of recently processed cattle
    Spire, M.F.; Riley, J.G.; Edwards, A.J. (Kansas State University. Agricultural Experiment Station, 1983)
    Two trials were conducted to evaluate the effectiveness of revaccinating recently processed cattle with modified live IBR and BVD vaccine. Revaccination decreased total illness 24 to 26%. A significant reduction in clinically ...
  • Splay-foot in cattle
    Schalles, R.R.; Markham, R.W.; Leipold, H.W.; Spire, M.F. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1989)
    Angular limb deformity, observed in several breeds of cattle, results in a knock-kneed and splay-footed condition in the front legs. This study shows that angular limb deformity is a congenital structural defect, inherited ...
  • Trailer-mounted RFID reader scans EID tags during cattle shipments
    Barnhardt, B.B.; Bryant, A.M.; Epp, M.P.; Spire, M.F.; Blasi, D.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2007)
    One of the challenges regarding implementation of a national animal identification system is the logistics of reading and reporting EID (electronic identification) tag numbers as cattle move through the production cycle. ...
  • Use of Cystorelin® and artificial insemination in repeat-breeding beef heifers after estrous synchronization
    Holz, J.P.; Houghton, P.L.; Spire, M.F. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1993)
    Gonadotropin-releasing hormone (GnRH) was administered to a group of 13- to 14- month-old Angus and Angus crossbred repeat-breeding heifers at the time of the second or third artificial insemination to determine ...
  • 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 ...
  • Utilizing infrared thermography to predict pork quality
    Lawrence, T.E.; Spire, M.F.; Dikeman, M.E.; Hunt, M.C.; Hogge, S.B.; James, B.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2001)
    Three experiments using 63 pigs were conducted to determine if infrared thermography could segregate pigs based on subsequent pork quality. Pigs were subjectively classified as either “hot” or “normal” based on infrared ...