Expulsion of placenta

• The placenta is discharged within 5 to 6 hours after calving provided the cow is in good condition and parturition was normal.
• If placenta is not discharged within 6 to 7 hours, it may be called “retained placenta”

Causes of retention of placenta

• Old age of cow
• Low condition of health
• Brucellosis
• Other bacterial infection
• Lack of tonicity of muscles of uterus

Results of retained placenta

• Inflammation of uterus
• Production of toxic substances
• Loss of appetite
• Fever
• Other evidences of severe trouble