Browsing Dairy Day, 1992 by Title

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Browsing Dairy Day, 1992 by Title

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  • Effect of yearly milk production on average days open
    Call, E.P. (Kansas Agricultural Experiment Station, 1992)
    Although there is a genetic antagonism between yearly production per cow and reproduction, analysis of Kansas Holstein herds suggests that managers of higher producing herds overcome this inverse relationship. Higher ...
  • Evaluation of roasted soybeans for dairy calves
    Reddy, P.V.; Morrill, J.L; Bates, L.S. (Kansas Agricultural Experiment Station, 1992)
    Diets containing soybeans roasted at different temperatures were fed to calves to investigate effects on growth and feed consumption. A growth trial was conducted using 84 Holstein calves from birth to 8 wk of age. The ...
  • Fish meal as a protein source for holstein steer calves
    Morrill, J.L.; Laster, J.F.; Morrill, J.M.; Feyerherm, A.M. (Kansas Agricultural Experiment Station, 1992)
    Holstein steer calves (n = 96) were on experiment from 8 to 18 wk of age. Control calves were fed a diet in which all supplemental protein was from soybean meal; in the experimental diet, part of the soybean meal ...
  • Induction of estrus in thyroidectomized-ovariectomized, nonlactating, holstein cows
    Stewat, R.E.; Stevenson, J.S.; Mee, M.O.; Rettmer, I. (Kansas Agricultural Experiment Station, 1992)
    Low thyroid activity (hypothyroidism) has been reported to decrease sexual behavior associated with reproduction in several species. Using estradiol benzoate (EB) and progesterone (P ), we attempted to induce 4 estrus ...
  • Leukocyte function in vitro after adding vitamins A, E, and Beta-Carotene
    Eicher, S.D.; Morrill, J.L.; Blecha, Frank (Kansas Agricultural Experiment Station, 1992)
    Blood neutrophils and pulmonary alveolar macrophages isolated from calves at 3 and 6 wk of age were cultured in medium without added vitamins or supplemented with vitamin A, vitamin E, vitamin A and vitamin E, or ...
  • Ovarian follicular waves and secretion of follicle-stimulating hormone after administration of GnRH at estrus
    Pursley, J.R.; Stevenson, J.S. (Kansas Agricultural Experiment Station, 1992)
    An experiment was conducted to examine the effects of GnRH on the secretion of FSH, LH, estradiol, and progesterone in serum and changes in ovarian structures. Dairy cows were assigned randomly to receive either 100 ...
  • Somatic cell count inversely related to potential profits in dairying
    Dunham, J.R. (Kansas Agricultural Experiment Station, 1992)
    Somatic Cell Count (SCC) affects productivity of a dairy herd and, thus, potential profit. Almost all SCC problems can be solved by management. The DHIA SCC program is very useful for evaluating the situation in a ...
  • Waste management in the production dairy indistry
    Fulhage, C. (Kansas Agricultural Experiment Station, 1992)
    The impact of environmental regulation on livestock production enterprises is, inevitably, an increase in production costs. Producers should recognize that these are the costs of doing business and will probably have ...
  • Waste management: regulations and problems in Kansas
    Harner, J.P.; Murphy, J.P. (Kansas Agricultural Experiment Station, 1992)
    The dairy industry is receiving greater pressure to reduce its potential pollution to the environment. As the demand grows for cleaner streams, dairy operations will need to reduce and control the nutrient and sediment ...