The weight of live pigs can also be measured with a ruler. The formula is very simple.
Abstract: the weight of live pigs can also be measured with a ruler, and the formula is very simple.
Using a ruler to measure the weight of a pig sounds impossible at first, but it is indeed a way to measure the weight of a pig. In the past, a few pigs were often raised in rural families, and they were sold when they gained good fat.
But there are few scales that can weigh hundreds of jin in rural families, and a pig can weigh as little as one or two hundred kilograms or three or four hundred kilograms. It is not easy for such a pig to weigh at once. Not only people are tired, but pigs are also tired. In addition, driving the pig in the pigsty to the scale is also easy to cause stress reaction of the pig, which is likely to affect the normal growth of the pig. Live pigs can measure their weight without a pound, it can be done with a tape measure, and the accuracy of the measurement is not low.
How to calculate the weight of live pigs with a ruler?
To calculate the weight of live pigs with a ruler, you need to know some formulas about the weight of live pigs. First of all, let's take a look at the average weight of adult pigs, because different breeds of pigs will have different weights. Different pigs generally weigh about 150 kg to 300 kg in adulthood.
For example, Landrace pigs are generally about 400 kilograms, and Landrace pigs are more suitable for pickled pork. Bozhong pigs generally weigh less than Landrace pigs, weighing about 390 kilograms, which is more suitable for domestic pig breeding. Hampshire pigs generally weigh more than 300 kilograms and belong to meat pigs. Yorkshire pigs are usually about 300 to 500 kilograms. And due to the different feeding methods of pigs, the weight of the same breed of pigs will also be different, so the calculation needs to be carried out separately.
Pig weight (kg) = pig chest circumference (cm) × pig body length (cm) / coefficient
The coefficient in this will be distinguished according to the nutritional status of the pig. The coefficient used by the normal pig is 142. If the nutritional status of the pig is medium, the coefficient should be increased, which needs to be 156. If the nutritional status of live pigs is very bad, the coefficient needs to be further increased, the coefficient is 162.
Measuring method
Another thing to pay attention to is the method of measuring the chest circumference and body length of pigs. When measuring the chest circumference of a pig, it is usually behind the pig's shoulder blades, naturally close to the pig's body with a tape measure, and then the vertical circumference of the pig's chest is measured.
Then is the measurement of the pig's body length, when measuring the pig's body length, two people can be together, this will be more convenient, first of all, we need to let the pig stand up, so that the pig's collar line and chest line are kept at the same level above. The starting point of the measurement is the middle of the line between the two ears of the pig, then follow the back of the pig until the first natural wheel of the pig's tail, and then tighten the tape measure.
Variety influence coefficient
In addition, according to the different breeds of pigs, the coefficient of the formula used above will also change. Here, we will mention the coefficients of several common pig breeds. For example, the coefficient of Da Bai is generally 133. After calculating the result, adding about 8 kg is the weight of Da Bai. While the coefficient of Landrace pig is generally 107, the calculated result needs to be subtracted by about 12 kg, and the body weight is obtained. The coefficient of binary crossbred pigs is 175, and the calculated results add about 25 kilograms to get the weight of binary hybrid pigs.
However, although the above calculation formula is not complex, the result obtained by weighing is not accurate, there will be some deviation, and can only be used as an estimate.
Here is science to promote agriculture, welcome to add attention, with you to grow knowledge.
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