Milk fever is characterized by low blood calcium andparalysis, usually within 48 hours after calving, in cowsbeyond first lactation. Incidence is accentuated by highcalcium intake during the dry period and reduced bylimiting calcium intake before calving but increasing it at calving time. A discussion of control procedures appearsin the calcium section.
đang được dịch, vui lòng đợi..
