What is the 50-point linear evaluation method of body shape and appearance?

This is a linear scoring system for the body shape and appearance of dairy cows, which was applied earlier. It uses the highest score of 50 points for each evaluated character and evaluates them one by one. The 50-point evaluation method mainly evaluates 15 key traits of dairy cows, which are divided into five parts, namely, body weight, lactation characteristics, general appearance and lactation system (see the table below), while for bulls, only the first three items are directly evaluated, and there is no lactation system item. Bulls with offspring can indirectly evaluate the four parts of bulls according to the average score of their daughters' appearance traits. In recent years, the 50-point linear recognition method of body shape and appearance has been replaced by the 9-point linear recognition method. So the detailed identification method can be divided into 9 points.

Linear recognition characteristics of 50-point dairy cows' body shape

Because the linear score only represents the performance degree of the character, it cannot be directly used to explain the quality of the character. For example, some traits are best scored at the highest level, and some are best scored in the middle, so it is necessary to convert linear scores into functional scores.