Veterinary Clinical Medicine-II

INCIDENCE OF MILK FEVER

• 5-10 yrs age group most commonly affected
• High prevalence during 3 rd – 7th calving
• Jerseys breed is the most susceptible than other breeds.
• High susceptibility when animals are fed with high protein diet before and after calving.
• No specific seasonal occurrence
• Complete milking in first 48 hrs- precipitating factor
• Certain families with in the breed – more susceptible
• Cases may occur during the last few days of pregnancy and immediately after parturition.
• Majority cases occur within 72 hours postpartum
• Acid - diet decreases the incidences
• Alkaline diet increases the incidence