Browsing Dairy Day, 1991 by Title

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Browsing Dairy Day, 1991 by Title

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  • Dunham, James R. (Kansas Agricultural Experiment Station, 1991)
    Heifer feeding and management programs have a great impact on the efficiency of the future dairy herd. Dairies that feed and manage heifers for calving at about 24 mo of age are optimizing milk production, feed cost ...
  • Eicher-Pruiett, S. D.; Morrill, J. L.; Blecha, Frank; Chitko-McKown, C. G.; Anderson, N. V. (Kansas Agricultural Experiment Station, 1991)
    Forty-four Holstein calves were fed milk replacers with varied concentrations of vitamins A and E from 3 to 45 d of age to determine their effects on concentrations of plasma vitamin A (retinol and retinyl palmitate) ...
  • Velazco, J.; Morrill, J. L.; Brandt, Robert T., Jr.; Schalles, R. (Kansas Agricultural Experiment Station, 1991)
    Sixty-four Holstein steers were used to study the effect of season and age on performance. Animals beginning the trial in spring were heavier (P<.05) and more efficient than calves started in other seasons. There were ...
  • Bortone, E. J.; Daccarett, M. G.; Morrill, J. L.; Stevenson, Jeffrey S.; Feyerherm, A. M. (Kansas Agricultural Experiment Station, 1991)
    Holstein heifers from the Kansas State University Dairy Teaching and Research Unit were used from 3 mo of age until 21 d before estimated date of calving. They were fed either 100 (control, C) or 115% (enhanced, E) of ...
  • Hartadi, H.; Harbers, L.; Shirley, John E.; Bolsen, K. (Kansas Agricultural Experiment Station, 1991)
    Whole-plant silage from intercropped grain sorghum and Williams 82 soybean was compared to corn silage in a mixed diet for mid-lactation dairy cows. Cows fed the grain sorghum-soybean silage yielded 45.13 lb and those ...
  • Stevenson, Jeffrey S.; Mee, M. O. (Kansas Agricultural Experiment Station, 1991)
    The objective of this experiment was to determine if pregnancy rates following first services would be improved by supplementing lactating dairy cows with progesterone during two phases after insemination. Cows were ...
  • Greene, G. L. (Kansas Agricultural Experiment Station, 1991)
    After release of fly parasites in Kansas dairies during 1991, parasitism increased from May to late June then dropped in July. The parasite released was Spalangea nigroaenea of Kansas origin to assure its adaption to ...
  • Dryden, Michael W.; Broce, A. B. (Kansas Agricultural Experiment Station, 1991)
    In June 1991, an investigation was conducted of a severe flea infestation in 23 Holstein dairy calves in South Central Kansas. Inspection of the dairy revealed massive numbers of fleas on calves and in the barn where ...