J. F. Huang

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A synthetic strain of ducks (Anas platyrhynchos) was developed by introducing genes for long duration of fertility to be used as mother of mule ducklings and a seven-generation selection experiment was conducted to increase the number of fertile eggs after a single artificial insemination (AI) with pooled Muscovy semen. Reciprocal crossbreeding between(More)
A simulation model is developed in this study for managing state highway maintenance. The purpose of this model is to develop causal links between revenue sources and expense demands of highway maintenance so as to suggest how to formulate cost allocation policies and programming strategies that are fair, economic and sustainable.
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