This dissertation demonstrates the use of direct fed microbials may have a benefit in nutrition programs on dairies. Specifically, the use of SCFP was associated with a decrease in diarrhea events as well as increases in milk production when analyzed using meta-analytic methodology. To aid in decision making the use of stochastic analysis utilizing the variance from the meta-analysis along with the associated point effects is a useful tool to graphically and numerically demonstrate the uncertainty of the outcome. Integrating the biological variation and it associated economic values into a distribution of outcome along with their associated conditional probabilities can be used to calculate the cost of Type 1 and Type 2 components of the decision helping to frame the decision in quantifiable units possibly more useful to a diary producer. (Abstract shortened by ProQuest.)
|Commitee:||Groenendaal, Huybert, Hill, Ashley, Pendell, Dustin, Van Metre, Dave|
|School:||Colorado State University|
|School Location:||United States -- Colorado|
|Source:||DAI-B 78/11(E), Dissertation Abstracts International|
|Subjects:||Agriculture, Animal sciences, Epidemiology|
|Keywords:||Dairy management, Decision management, Diarrhea, Meta-analysis, Stochastic analysis, Yeast culture|
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