Dairy Day, 1989

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Dairy Day, 1989


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  • Call, Edward P. (Kansas Agricultural Experiment Station, 2012-09-20)
    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 ...
  • Estrada, J.; Shirley, John E. (Kansas Agricultural Experiment Station, 2012-09-20)
    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 ...
  • Heikes, K. (Kansas Agricultural Experiment Station, 2012-09-07)
    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 ...
  • 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 ...
  • Stevenson, Jeffrey S.; Mee, M.O.; Scoby, R.K.; Folman, Y. (Kansas Agricultural Experiment Station, 2012-09-07)
    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 ...

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