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Dairy Day, 1997
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Browsing Dairy Day, 1997 by Title

Browsing Dairy Day, 1997 by Title

Now showing items 1-13 of 13

ATP bioluminescence can evaluate cleaning and sanitizing effectiveness in the milking parlor

Meyer, M. J.; Schmidt, Karen A. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-07-22)

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 ...
Biosecurity in the dairy

Stokka, Gerald L.; Falkner, Thomas R.; Bierman, Patrick (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-05-12)

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 ...
Conception and pregnancy rates in dairy cows after various programmed breeding systems

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 ...
Development and use of recombinant gonadotropin-releasing hormone vaccines to sterilize cattle: a review

Greer, J.; Rozell, Timothy G. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-07-22)

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 ...
The effects of rbST (POSILAC®) on heat stressed, lactating, dairy cows

Smith, John F., 1962-; Shirley, John E.; Titgemeyer, Evan C. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-05-12)

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 ...
Expeller soybean meal as a source of rumen undegradable protein for lactating dairy cows

Shirley, John E.; Piehl, D.; Titgemeyer, Evan C.; Scheffel, Michael V. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-05-12)

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 ...
Explaining differences in efficiency among dairy operations

Berends, P. T.; Langemeier, Michael R.; Featherstone, Allen M. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-07-22)

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 ...
Flushing manure systems for dairy facilities

Harner, Joseph P.; Murphy, James P. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-05-12)

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 ...
Freestall design and management for cow comfort

Smith, John F., 1962-; Jones, G. A.; Harner, Joseph P. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-05-06)

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 ...
Managing the nutrition program for cow comfort

Dunham, James R. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-05-12)

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 ...
Planning a dairy expansion

Smith, John F., 1962- (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-05-12)

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 ...
Synchronization of estrus and ovulation in dairy heifers using norgestomet, GnRH, and PGF[subscript]2alpha

Stevenson, Jeffrey S.; Thompson, K. E.; Smith, John F., 1962-; Hawkins, D. E. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-07-22)

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 ...
Various estrus-synchronization programs for heifers

Stevenson, Jeffrey S. (Kansas Agricultural Experiment Station and Cooperative Extension Service, 2011-07-22)

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 ...