Calf to Cow - Lifespan of a Cow

A cow is a calf or hiefer till the age of 2 yrs after which, between the age of 2 to 10 years, it can give birth to approximately 2 to 4 or upto 10 calves.
For each Calf, there would be a pregnancy period of ~283 days or 9 months followed by 10 months for it to provide milk.
During the 10 monts of pregnancy, it can produce ~10-25 litres per day.
Once the Cow reaches 10 years, it would loose its ability to get pregnant or produce a calf.

FAQs for the summary presented above:

Q)Is Cow female? What is male?
Cow is female. An adult male is known as bull.
Most cows will give birth to a single calf at a time, either a heifer (female) or bull (male) calf.
A heifer is a female that has not had any offspring.

Q) What is the Lifespan of a Cow?
18-22 years?


Q) Can a Cow give milk when it is not pregnant?
No

Q) What age does a Cow reach Puberty occur?
~2 yrs - 12-14 months

Q) What are the ways a Cow is impregnanated?
Bull or IVF

Q) How long is a Cow Pregnant?
~1 year ~9 months

Q) How long can a Cow become Pregnant again?
After calving, it takes 60 to 90 days for cows to resume cycles


Q) How long does a cow provide milk?
10 months followed by rest period of about 2 months before next calf is born.
10 months + 2 months

Production levels peak 40 to 60 days
Production declines steadily afterwards until milking is stopped at about 10 months

Additional Information:
Dairy cows must give birth to one calf per year in order to continue producing milk.
Typically they are artificially inseminated within three months of giving birth.

Q) How many liters of milk does a cow give?
Varies:
10-15 litres per day. Good yield stands at ~25 litres per day.

Q) How many calves can a Cow produce in a lifetime (18-22 yrs)?
most cows have 2-4 calves in a lifetime. This can go upto 8 to 10

Q) How long and much milk does a Calf need per day?

A calf needs 10% of the body weight per day. Thus, a 30kg calf should be fed at least 3L of whole milk per day. A new born calf should be given 2 litres of colostrum within the first 2 hours of birth.
 
Milk can be stopped after 2 months is what they say. However, after 10 months milk can/should be stopped (weaned off ).
6 months of age, cows will begin eating forages and grains

After how many years can Cows stop giving birth to babies?
~10 years

 

Disclaimer:

All the information provided above is only for educational purpose of understanding and the facts of each statistic may vary from region to region and across country to country.

Source: Various sources on the internet

P.S: This is in draft stage with Proofreading pending.