Lifespan cows: factors and methods of determining the age of

click fraud protection

Everyone knows who can be called the most important breadwinner of all people - a cow.Since childhood, we know the taste of milk, cottage cheese, sour cream and butter.These products are not only very useful, without them it is impossible to prepare a variety of delicious dishes.Every housewife will be able to confirm this fact.Hardly anyone of us thinks about the question of how much there is milk or a cow lives.

Features

cow behavior for a long time cows are constantly present in the life of a person, and people were able to accumulate a large amount of information about these animals.For example, how they eat, eat, drink, and what the life expectancy cows.There are also some very interesting facts, such as cows indifferent attitude to music.They can recognize it even rhythm.Cows do not distinguish colors, because they see only one - white.Not only of the development of these poor animals, but also the sense of smell.

became well-known and this fact, as a preference for cows alone, but the young alone will not be able to live and lose your appetite, there is irritability.If you want to increase the milk yield, it is necessary not only to feed the animal, but also to provide him calm, kept in accordance with the conditions on dry and warm bedding.

How can I determine the age

case, such a situation when you need to know exactly at what age stays home a cow.For this there are many different ways, but the most significant is the grade of the teeth.In young calves, you can determine the age by the way took a sequence of replacement of milk teeth to permanent.But this kind of definition would not be very accurate.Growth, change and erase the teeth depends on what type of feeding was chosen, precocity and other individual characteristics.For this reason, in order to determine the age of the cow around, take the average.

most important role in determining the age of the cow in the teeth play incisors, which are called hooks, medium and selvages internal or external means.How to correctly identify the number of years lived a cow?

Hooks, who grew up to two years, begin to fade soon from now.For four years all teeth completely changed and starts erasing all permanent incisors, without considering the selvages.By five years begins to wear the upper edge and has selvages.This feature can accurately tell that cow for about five years.By this time may appear gap between the incisors.By the age of six at the toe and inner medium erasing much worse.In seven years, completely erased the enamel, which is on the lingual surface of the hooks, and eight years of rubbing the surface of the hooks takes rectangular in shape.In nine years, the same pattern is observed as eight.For ten years the part of the enamel, which is called the lingual erased completely, and all the incisors are shorter and thinner.In 11-12 years incisors become rare.After this age, to determine the exact age of the cow is almost impossible.

How many live cow?

Of course, many people are interested in what is the life expectancy of a cow?Breeders who have a large enough experience to think that cows live about 20-25 years.And it is not clear, a lot or a little.The lifetime of the horse for about 30 years, the dog - 15 pigs - 20 centenarians considered geese, but only in the event that for them will be the right care.Their life in such a case about 40 years.But there are champions among animals - donkeys.They can live up to 50 years.But all these figures are not accurate.Indeed, among the cows also have a long-liver - for example, a cow who lived 49 years.

But no one can know exactly how much a cow lives.Maybe somewhere in the village, which is cut off from civilization, live any old and milks the cow, she has served for more than a quarter century.In fact, what factors affect the life expectancy cows need to long to understand.

How long have kept dairy cows

When it comes to dairy cows, it is necessary to say that they become physically mature at the age of one and a half years.Since that time, they can be fertilized and postpartum lactation starts.For this purpose and have cows.Depending on the type of farm lifespan cow will be no more than four of lactation.Accordingly, farm cows do not live more than six years.Then they are transferred to fattening farms or stations that from there they went to slaughter.How

keep cows in private farms

Just how long the cow lives the owner, who keeps her milk?It all depends only by the owners.The average duration - for about eight years.But there are people who feel sorry for selling faithful friend and helper, and they keep it up to old age.

There are people who are very attached to their Cows and do not want to give them to the slaughter.And they do not look at what is already a very old cow, the offspring does not give milk, and almost it does not have.It does not matter that keep it on - only at a loss.

can say that the average life of cows in our country for more than eight years.But it must be borne in mind that in the wild cow would have lived about 20 years.