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- McNamara, S.; Murphy, J.J.; Rath, M.; O'Mara, F.P.
- Livestock production science 2003 v.84 no.3 pp. 195-206
- 3-hydroxybutyric acid; Holstein; bile acids; blood; blood glucose; blood proteins; body condition; calving; dairy cows; diet; energy balance; energy density; grass silage; grasses; individual feeding; lactation; livestock production; metabolites; milk; reproductive performance; urea
- ... The objective of this study was to evaluate the effect of diets differing in energy density (ED) in the last 4 weeks of the dry period and in the first 8 weeks of lactation on energy balance (EB), blood metabolites and reproductive performance. Three diets (grass silage:straw 75:25 on a dry matter basis (SS), grass silage (S) and grass silage+3 kg/day of concentrates (C)) pre-calving and two diets ...