Valoración del hato ganadero de la hacienda Tierra Dorada en base a la clasificación lineal ubicada en la comunidad San Pablo, provincia de Chimborazo.

Abstract

The aim of this study was to evaluate the cattle herd of the Tierra Dorada farm located in Chimborazo province, Guano canton, San Pablo community using linear classification. The experimental units consisted of 20 Holstein cows that were measured in productive stage. Linear quantitative variables were used to establish rating and qualitative variables were used to point out the evaluator’s criteria. The database of the variables was analyzed using descriptive statistics, tabulated, and compared with the information of the ideal breed. In addition to this, a chi test was used for the physical traits regarding coat color, head size and shape, neck, barrel, udder, and fore and hind legs to determine whether there is a relationship between these morphological traits and milk production. The daily and accumulated milk production was recorded for 126 days, and descriptive statistics was also used to obtain the average milk production per day collectively and individually. The results showed that having evaluated the linear type traits of cows in productive stage, most variables were acceptable for this breed, except for the variables of angularity, foot angle, and rear udder width with 4.5, 4.75, and 4.5 respectively. The morphological traits and milk production are closely related. It is concluded that bulls with high genetic value must be used, and it is recommended to carry out a better selection of the cattle to increase productive performance.