Browsing Dairy Day, 1989 by Subject "Dairy"

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Browsing Dairy Day, 1989 by Subject "Dairy"

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  • Heikes, K. (Kansas Agricultural Experiment Station, 1989)
    The July 1989 USDA Sire Summary introduced a new system for genetic evaluations in dairy cattle. These evaluations, known as the Animal Model (AM), include several new features that help to increase the accuracy of ...
  • Daccarett, M. G.; Morrill, J.L. (Kansas Agricultural Experiment Station, 1989)
    One hundred and one Holstein heifers from the KSU Dairy Unit were used in this experiment. They were assigned to two treatments in which they were fed either 100% or 115% of the 1988 NRC requirements of energy, protein, ...
  • Muprhy, J.P. (Kansas Agricultural Experiment Station, 1989)
    When planning new construction or major modification of a dairy system, consider: • calf, heifer, dry cow, and milking cow housing; • feed types, handling equipment, and storage; • manure handling method; • milking ...
  • Isbell, D.E.; Morrill, J.L. (Kansas Agricultural Experiment Station, 1989)
    Sixty-four Holstein heifer calves were used from 10 to 26 wk of age to study the effects of lasalocid on growth and feed consumption. Calves were evaluated weekly for weight gain and feed consumption. Lasalocid-fed heifers ...
  • Isbell, D.E.; Morrill, J.L. (Kansas Agricultural Experiment Station, 1989)
    One hundred and twelve Holstein heifers were used from 10 wk until 26 wk of age. They were assigned to receive either 100% or 115% of NRC (1978) recommended nutrients and to be fed either control or extruded SBM. There ...
  • Dunham, James R. (Kansas Agricultural Experiment Station, 1989)
    A computer program was developed for analyzing DHI records to evaluate potential losses from 1) reproduction, 2) nutrition, 3) milk quality, and 4) genetics. Production-tested Kansas Holstein herds were grouped according ...
  • Shirley, John E.; Galdamez, C.; Estrada, J. (Kansas Agricultural Experiment Station, 1989)
    Forty Holstein cows in mid-lactation were utilized to evaluate the effects of water oxygenation on milk production, milk composition, and somatic cell count. Cows were fed a total mixed ration consisting of 25% alfalfa, ...
  • Call, Edward P. (Kansas Agricultural Experiment Station, 1989)
    The rate of involution of the bovine uterus is remarkable. By 20 days after calving, tissue sloughing and hemorrhaging have ceased, and the size of the uterus has been reduced by more than 80%. By 40 days, the uterus has ...
  • Pruiett, S.D.; Morrill, J.L.; Blecha, Frank; Higgins, James J.; Anderson, N.V.; Reddy, P.G. (Kansas Agricultural Experiment Station, 1989)
    Calves were bottle-fed milk replacers at 10% of weekly adjusted body weight for 8 wk. Treatments were 1) no supplements (control), 2) .16 oz vitamin C, or 3) .16 oz vitamin C plus 125 IU/lb vitamin E. Lymphocytes and ...
  • Stevenson, Jeffrey S.; Mee, M.O.; Scoby, R.K.; Folman, Y. (Kansas Agricultural Experiment Station, 1989)
    We demonstrated that gonadotropin-releasing hormone (GnRH or Cystorelin®) failed to improve pregnancy rates at the first service. When GnRH injection and insemination are both carried out either in early or late estrus ...
  • Garcia, G.; Malvetti, R.; Harbers, L.H. (Kansas Agricultural Experiment Station, 1989)
    Calibration equations for near infrared reflectance spectroscopy (NIRS) have been either purchased from the manufacturer or developed in the laboratory. Comparative analysis with standard laboratory procedures indicate ...
  • Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 1989)
    Research in reproductive physiology and breeding management of dairy cattle at Kansas State University has the following objectives: 1) to better understand those factors that influence the reestablishment of ovarian ...
  • Call, Edward P. (Kansas Agricultural Experiment Station, 1989)
    There has been no appreciable change in the reproduction status of Kansas dairy herds over the last 25 yr. For example, the average calving interval was 398 days in 1965 and 405 days in 1988. Analysis of other measures ...
  • Estrada, J.; Shirley, John E. (Kansas Agricultural Experiment Station, 1989)
    We all have heard about the use of BST in lactating dairy cattle during the last 6 to 8 years, but what is BST? Bovine somatotropin is another dairy management tool developed to improve the efficiency and reduce the cost ...
  • Zink, G.S.; Jeon, I.J.; Harbers, L.H. (Kansas Agricultural Experiment Station, 1989)
    Near infrared reflectance spectroscopy (NIRS) was used to develop calibration equations for the rapid determination of moisture, protein, and fat in Cheddar cheese. Most mean values from NIRS data had lower standard ...
  • Bolsen, K.K.; Shirley, John E.; Laytimi, A.; Dickerson, J. (Kansas Agricultural Experiment Station, 1989)
    Whole-plant grain sorghum silage and Silo-Best-Soluble inoculated and uninoculated control corn silages were compared in complete-mixed diets for mid-lactation dairy cows. Cows fed the inoculated corn silage yielded .6 ...
  • Britt, J.S. (Kansas Agricultural Experiment Station, 1989)
    Except for very low producing herds, management of reproduction does not seem to have much effect on the herd's level of production. To counter this statement, we must ask the question: "If they did not manage reproduction, ...