Abstract
Ten multiparous Holstein cows were used to determine the effects of negative energy balance (NEB) on the immune response to a Streptococcus uberis (strain O140J) mastitis challenge during midlactation. Before the study, milk from all quarters of each cow was bacteriologically negative, with a composite somatic cell count of
Original language | Undefined/Unknown |
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Pages (from-to) | 4301-4316 |
Number of pages | 16 |
Journal | Journal of Dairy Science |
Volume | 92 |
Issue number | 9 |
DOIs | |
Publication status | Published - 2009 |
Keywords
- Energy balance
- Mastitis
- immunity
- dairy cow