The transition dairy cow is one of the highest risk animals for falling ill or dying on the dairy farm. The objectives of this thesis were: Determine whether providing a stable pen management affected displacements from the feed bunk and feeding behavior of prepartum Jersey dairy cows; Examine the effects of prepartum stocking density on social, lying and feeding behavior of prepartum Jersey cows;Investigate the relationship between prepartum feeding times and periparturient health disorders, first test milk yield and milk composition in Jersey cows; Determine whether social dominance, determined by displacements from the feed bunk prepartum and 3 different methods, was associated with health, reproduction, and milk yield of transition Jersey cows; and Determine whether lying behavior was associated with postpartum health events up to 60 days in milk.
University of Minnesota Ph.D. dissertation. October 2014. Major: Animal Sciences. Advisor: Marcia I. Endres. 1 computer file (PDF); x, 158 pages.
Luchterhand, Karen Marie.
Effect of grouping strategy and stocking density on the behavior of prepartum dairy cows and the association between behavior and periparturient cow health.
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