How Long Do Cows Produce Milk: Interesting Insights and Facts


How Long Do Cows Produce Milk: Interesting Insights and Facts

Image Credit: Milk cows in the Netherlands by Sebastiaan ter Burg (CC BY-SA 2.0) from Flickr

Cows are primarily praised for producing milk apart from providing meat. This raises whether cows can produce milk forever or need to pass through the maternity phase.

Cows can start lactating once they produce a calf. The cow would usually provide milk for ten months after giving birth. And milking can get intensified around 40 to 60 days after calving. After its milking period (in a commercial setup), the cow is given some rest for about 60 days before the calving period.

It is interesting to note that a dairy cow can produce milk for around 305 days or ten months in a year. And the total quantity of milk produced by a cow stands, minimum, between 6,800 to 17,000 kg per year, depending upon various factors. 

Keeping this incredible fact in mind, we have dedicated this article to explore some of the most exciting facts and FAQs related to cows’ milking capacity. By the end of this article, you will learn various things on this topic.

So, without any delay, let’s begin our journey.

How many years can a cow produce milk?

We all love dairy products. Although the vegans would never agree with our sweet tooth taste, it never deters the importance of cows’ milk in human food habits.

No specific number can be stated as to how long you can expect a cow to milk. Cows can likewise produce milk after they have brought forth a calf. So, how many years a cow can produce milk would depend on her longevity and the number of times she makes a calf.

That being said, a cow can give birth to her first calf at the age of 2- 3 years, and a cow can live for around 20 years (in a general setting). However, in a commercial environment, a cow is generally kept for 3- 4 years for milk production, after which they are used for processed meat. 

How many times are cows milked a day?

Image Credit: Cow stable from Pxhere

Until the mid 20th century, milking cows by hand was the traditional and only method. Afterward, the milking machines became more commonplace, enabling the farmers to milk more cows at a time.

See also  How To Breed Brahman Cattle: How What, Detailed Facts

Usually, farmers and cow owners prefer to milk their cows 2-3 times per day. Here it should be noted that the number of milking times impacts the milk’s quality. As per some research works, the milk quality of cows milked three times a day tends to have low-fat content compared to those milked twice a day. 

In this regard, come robotic parlor choose to milk cows even 4- 5 times a day. Although this number would depend on how much milk is in demand, it is never suggested to force milk a cow.

How long do jersey cows produce milk?

Image Credit: Jersey cow by MarkMartins from Pixabay

Jersey cows are mainly raised for high-quality milk production. Jersey cows are one of the significant milk-producing cow breeds in the US. 

One of the best things about Jersey cows is their shorter inter calving period of 13-14 months. This means these cows can produce milk for around 305 days a year, and their productive lifespan runs somewhere between 2.5 and 4 years.

How long do Holstein cows produce milk?

Image Credit:  Holstein cow from Pxhere

Holstein cows belong to the category of high-yielding dairy cows. This is because they have a reputation for producing high-quality milk.

But this should not deceive you from thinking that Holsteins are longer milk producing breed. In a commercial setup, these high-yielding dairy cows typically live to their 3rd lactation in their five and a half years of life span.

How much milk do Holstein cows can produce in a year?

Holstein cows are known to be the best milk-producing cow breed. This breed of cows is said to have the world’s highest milk-producing capacity.

That being said, Holstein cows can produce 23,000 pounds of milk during each lactation period. 

How long do mini jersey cows produce milk?

The one thing that is lovelier than a jersey cow is a miniature jersey cow. A miniature or mini jersey cow is a scaled-down version of the original one.

See also  Can Cows Jump: How High, What Circumstances and Interesting Facts

The size of mini jersey cows does not impact their duration of milk production, which is similar to that of full-size jersey cows- 2.5 and 4 years. This figure is based on a commercial setup or farm. 

Where the mini jersey cows differ from the fully grown ones is the amount of milk they produce. You can expect 2 to 4 gallons of milk per day from a miniature version of this breed. 

At what age do cows stop producing milk?

There is a general perception that cows can produce milk till the very last day of their life. But does this perception has any scientific backing? Let’s find out.

The thumb rule is that as long as a cow can produce one calf, she can keep on producing milk (for around ten months/ year). However, in some cases, it has been found that if the udder is well-stimulated, a cow can produce milk even without bearing a calf. So, there is no fixed age till when cows can produce milk.

However, you should keep in mind that milk quality will indeed degrade if a cow is pushed to milk even when she doesn’t give birth. Also, factors that can stop cows from producing milk could involve bad health, reproductivity issues , etc. 

Do Cows have to be pregnant to produce milk?

Cows are mammals, and there involve complex interactions of hormones that play their roles when cows get pregnant.

And this interplay of hormones prepares a cow’s body to produce milk for the upcoming calf. So, it is a basic rule that cows need to be pregnant in order to make a healthy and high amount of milk. 

But, getting pregnant, nowadays, does not play the only role in making cow lactate. As we have already mentioned, to fulfill the commercial need for milk, sometimes cows’ udders are constantly stimulated to produce milk even when not pregnant. 

See also  How Fast Can A Cow Run: When, Why, Interesting Facts

How do cows produce milk when not pregnant?

Well, as a part of nature, cows should not produce milk without getting pregnant. But technically, they can lactate even without conceiving.

Without getting impregnated, a cow can produce milk if another calf is nursing on her. Nursing a calf stimulates the production of milk by stimulating the cow’s milk-producing hormones. Another more controversial way the farmers use to make non-pregnant cow lactate is by giving them hormonal injections. 

For the latter technique, farmers push the combination of hormones like progesterone and estrogen. These two hormones control milk production during pregnancy.

How long do cows produce milk after giving birth?

Image Credit:  A cow with her calf by PublicDomainPictures from Pixabay

A cow’s pregnancy lasts for nine months, and after giving birth to the calf, she starts to produce milk. This milk production cycle continues until a cow reaches its dry period.

After giving birth, a cow would produce milk for ten months before she is given a rest period of 60 days. After this period, she would again be prepared to conceive. Around 40 to 60 days subsequent to calving, milk production tops. After that, it starts decreasing until milking stops at about ten months.

How long do dairy cows produce milk after giving birth?

It is interesting to note that dairy cows produce more milk and are more popular among farmers. 

A dairy cow would begin producing milk following bringing forth her calf. She can produce milk for ten months after birth and before getting dried for the next calving. Dairy cows are mainly selected to be bred in order to produce a larger quantity of milk during the lactation period. 


To wrap up, we can state that cows gain the natural capability to produce milk once they start calving. However, to fulfill the need for milk in commercial settings, cows are often pushed to lactate even when they are dry. This, as a result, reduces cows’ affecting their health status.

Leave a Comment