Browsing Dairy by Published Date "1997"

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Browsing Dairy by Published Date "1997"

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  • Meyer, M. J.; Schmidt, Karen A. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Four areas of the milking parlor were evaluated for effective cleaning and sanitation using total aerobic counts (standard plate count) and ATP bioluminescence (ATPB) techniques. Whereas the plate counts only monitor ...
  • Stokka, Gerald L.; Falkner, Thomas R.; Bierman, Patrick (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Three strategies exist to control unwanted disease in a livestock operation: 1) prevent the douintroduction of infected cattle, 2) raise the overall level of resistance and specific resistance to infectious disease, and ...
  • Stevenson, Jeffrey S.; Thompson, K. E.; Kobayashi, Y. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    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 ...
  • Greer, J.; Rozell, Timothy G. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    A possible alternative to conventional castration methods is the use of vaccines that can be injected in order to sterilize animals. One promising approach involves the use of a vaccine that causes cattle to produce an ...
  • Smith, J. F.; Shirley, John E.; Titgemeyer, Evan C. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Two hundred cows located on a commercial dairy in Mesquite, NM were used to evaluate response to rbST (Posilac®) during heat stress in the summer of 1996. Cows were paired by days in milk (average = 153 d at initiation of ...
  • Shirley, John E.; Piehl, D.; Titgemeyer, Evan C.; Scheffel, Michael V. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    The loss of meat and bone meal as a source of high quality protein for lactating cows creates an increased need for nonanimal sources. Fifty six Holstein cows were used to evaluate expeller soybean meal as a source of rumen ...
  • Berends, P. T.; Langemeier, Michael R.; Featherstone, Allen M. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    To remain competitive, dairy operatoins need to continue to improve production efficiency and manage costs. Kansas Farm Management Association data from 1991 to 1995 were used to measure technical, economic, and overall ...
  • Harner, Joseph P.; Murphy, James P. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Flushing systems that collect and transport manure are utilized in dairy operations. The sanitation attainable and reduced labor requirements can make flushing a desirable option. Designed flush systems utilize a flush ...
  • Smith, J. F.; Jones, G. A.; Harner, Joseph P. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    The design and management of freestall 4) air or vision. facilities are critical in maintaining cow comfort and high milk production. Dairy produc- Lunge Space ers should be conscious of the factors affecting cow comfort ...
  • Dunham, James R. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Comfortable cows are contented cows. However, cows may be comfortable in their environment but also experience some discomfort because of the nutrition program. A good nutritional management program will improve ...
  • Smith, J. F. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Dairy farm size is increasing in all regions of the United States. In two of the largest dairy states, California and Wisconsin, mean herd sizes have increased 950% and 250%, respectively, since 1950. Dairy herds of 500 ...
  • Stevenson, Jeffrey S.; Thompson, K. E.; Smith, J. F.; Hawkins, D. E. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Two experiments were performed using the same treatments. All heifers received two injections of PGF[subscript]2alpha 14 days apart. Controls then were inseminated after detected estrus. Heifers assigned to the two ...
  • Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 1997)
    Various programs of estrus synchronization have been tested during the last 6 years to determine the least costly and most efficacious for dairy heifer replacements. Four systems were tested: 1) a modified Ovsynch treatment ...