1. Amin Ahmadzadeh AVS Department Univ. of Idaho
Cow Life Cycle
Amin Ahmadzadeh
AVS Department
Univ. of Idaho

2. = = = Time (month) 1 2 8-10 13-14 22-24 Calf born Calving Puberty
1st Calving
Age considerations
Maternity pen
Calving assist.
Fresh pen mgt.
Dystocia
Retained placenta
Puberty
Estrous Cyclicity
Body weight and size
Ration considerations
De-horning
Vaccination
Calf Starter
Calf
born = = =
Mortality
1st day calf care
Colostrum Mgt.
Vaccination
Calf Hutch/housing
Feeding
Calving
Weaning Age
Change of housing
Change of ration
Breeding age
Estrous Synchronization
AI and breeding pen Mgt.

3. = = = Time Post Calving (month) 2-3 4 11 13 Calving Calving
2-3 4 11 13
Pregnancy check
1st Calving
Age considerations
Maternity pen
Calving assist.
Fresh pen mgt.
Dystocia
Retained placenta
Estrous synchronization
Breeding
Body Cond. Score = = =
Calving
Calving
Drying off
Far off
Close up
Body Cond. Score
Negative energy balance
Dry matter intake
Metabolic disorders
Mstitis