Browsing Dairy by Title

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Browsing Dairy by Title

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  • Dunham, James R. (Kansas Agricultural Experiment Station, 2012-10-04)
    A comparison was made of the AM-PM production testing program with the traditional DHI program during 13 test periods of 1984 in the KSU Dairy Teaching and Research Center herd. Although there were slight variations in ...
  • Bortone, E.J.; Daccarett, M. G.; Morrill, J.L.; Feyerherm, A.M.; Shirley, John E. (Kansas Agricultural Experiment Station, 2011-05-25)
    One hundred and ten Holstein heifers from the KSU Dairy Research Unit were used in this experiment. They were fed either 100% (control) or 115% (enhanced) of NRC requirements for energy, protein, major minerals, and ...
  • Daccarett, M. G.; Morrill, J.L. (Kansas Agricultural Experiment Station, 2012-09-07)
    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, ...
  • Kobayashi, Y.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 2011-05-06)
    Five treatments were developed to compare a new synchronized ovulation protocol, which programs follicular development with the regression of the corpus luteum, and traditional prostaglandin protocols that only control ...
  • Miller, W.F.; Titgemeyer, Evan C.; Park, A.F.; Burgos, M.V.; Hammond, A.K.; Scheffel, Michael V.; Shirley, John E. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-10)
    We evaluated the impact on performance of top dressing a based total mixed ration (TMR) with long-stem alfalfa hay with or without additional dry-rolled corn to the lactating cow diet during the first 5 days postpartum. ...
  • Kim, J.H.; Jeon, I.J; Forbes, M.S.; Schmidt, Karen A. (Kansas Agricultural Experiment Station, 2011-05-06)
    Ten samples of vanilla frozen yogurt were purchased in Kansas and compared to a highprotein, KSU formulation. The KSU formulation had similar solids, fat, and sugar contents as the commercial samples. All commercial ...
  • Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 2011-08-02)
    These are somewhat exciting times for dairy producers because of the new arsenal of hormones available for controlling estrous cycles and improving fertility. Using Bovilene® seems to assist cows in releasing a retained ...
  • Pulley, Stephanie Leeann; Keisler, D. H.; Hill, Scott L.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2014-03-26)
    The objective of this study was to determine the incidence of spontaneous and gonadotropinreleasing hormone (GnRH)-induced surges of luteinizing hormone (LH) and ovulatory responses in lactating dairy cows enrolled in a ...
  • Stewart, R.E.; Mee, M.O.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 2012-09-20)
    We conducted two experiments to determine the effects of administering human chorionic gonadotropin (hCG) on day 4 or on days 15, 16, and 17 after estrus on conception rates and progesterone secretion by the corpus luteum ...
  • Stevenson, Jeffrey S.; Thompson, K. E.; Kobayashi, Y. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-07-22)
    Two experiments were conducted to measure conception and pregnancy rates in lactating dairy cows after various treatments followed by artificial insemination (AI) after detected estrus or at one fixed time. In Experiment ...
  • Bala, Soumya; Schmidt, Karen A. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2014-03-26)
    Within cells, cysteine can be synthesized from methionine by the enzyme γ-cystathionase. Cysteine is then utilized to synthesize glutathione, which has many functions in cells that contribute to good health. Certain ...
  • Schmidt, C.; Smith, John F., 1962-; Harner, Joseph P.; Brouk, Michael J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-11-29)
    Consumptive water usage by evaporative pads was measured during 7 days of a 3-week period at a Kansas (KS) dairy and a 2-day pe-riod at a North Dakota (ND) dairy. Water me-ters were installed between the water hydrants, ...
  • Stevenson, Jeffrey S.; Lucy, M.C.; Call, Edward P. (Kansas Agricultural Experiment Station, 2012-10-04)
    Prolonged or delayed interval to first breeding is a major cause of long calving intervals. Our objective was to test two methods of artificial insemination by appointment after controlling the onset of estrus for all ...
  • Cox, I.M; Adapa, S.; Schmidt, Karen A. (Kansas Agricultural Experiment Station and Cooperative Extension Service., 2011-05-04)
    Raw milk was obtained from the K-State Dairy Teaching and Research Center and evaluated for quality after being stored under various conditions. Results showed that as storage temperature increased from 35 to 45EF for ...
  • Smith, John F., 1962-; Harner, Joseph P. (Kansas Agricultural Experiment Station, 2011-05-05)
    Heat stress occurs when a dairy cow’s heat load is greater than her capacity to lose heat. The effects of heat stress include: increased respiration rate, increased water intake, increased sweating, decreased dry matter ...
  • Smith, John F., 1962-; Harner, Joseph P.; Brouk, Michael J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010-12-08)
    Managing transition cows is a significant problem on dairy farms. The issues include nutritional considerations, stocking rates, metabolic disorders, heat stress, and access to feed and water. Often management of transition ...
  • Call, Edward P.; Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station, 2012-09-20)
    Cow-side milk progesterone tests are effective in determining the presence of an active corpus luteum (CL) on the ovary. The test is best used as an adjunct to the Preventive Herd Health Program (PHHP) as a means of ...
  • Morrill, J.L. (Kansas Agricultural Experiment Station, 2011-05-20)
    At Kansas State University, we are conducting research concerning nutrition and feeding management of calves, heifers, and dairy steers with emphasis in the following areas: 1) development of feeds and management practices ...
  • Muprhy, J.P. (Kansas Agricultural Experiment Station, 2012-09-07)
    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 ...
  • Delano, F.D.; Langemeier, Michael R. (Kansas Agricultural Experiment Station, 2011-05-06)
    Dairy cow herd enterprise records from Kansas Farm Management Association farms over the past 4 years have shown an increase in returns to labor and management from $252 to $355 per cow. Returns for higher milkproducing cows ...

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