Body weight is an important economic trait in the selection of animals. The main purpose of animal breeding practices is to improve traits of economic value (Mendes et al., 2005). These traits have close association with explanatory variables such as age, breed and morphological characters. Body measurements have been used in animals to estimate body weight (Topal and Macit, 2004; Yakubu et al....

Intensive milk and beef production is COIlIIlPn to the European agricultural due to a high density of population. Milk and beef traits are involved in breeding objectives of dual-purpose cattle. Various dual-purpose cattle populations cover a wide range of economic ting of milk and beef. The optimal weights of milk and beef characters on the marginal change in profit, and the time and nUIlber o...

EVERY sugarcane grower would like the best levels of performance for all traits, such as high cane yield, high sugar content, resistance or tolerance to biotic and abiotic stress, and every other desirable attribute, all combined together into the same variety. In the real world, however, almost all the important crop traits vary continuously and mostly independently, in genetic populations gen...

in order to estimate economic values of productive traits (meat, milk and wool) in taleshi native sheep breed of iran, records from economic parameters and performance of local taleshi flocks were used. the economic values of traits were used to select the maximum profit estimation also to study the sensitivity rate of the model the effects of 20 percent increase / decrease in the price of milk...

This research suggests that a Darwinian evolution of entrepreneurial spirit played a significant role in the process of economic development and the dynamics of inequality within and across societies. The study argues that entrepreneurial spirit evolved non-monotonically in the course of human history. In early stages of development, risk-tolerant, growth promoting traits generated an evolution...

In order to estimate economic values of productive traits (meat, milk and wool) in Taleshi native sheep breed of Iran, records from economic parameters and performance of local Taleshi flocks were used. The economic values of traits were used to select the maximum profit estimation also to study the sensitivity rate of the model the effects of 20 percent increase / decrease in the price of milk...

Before introducing a recording system for meat quality traits, the returns of this recording and the costs involved to obtain various measurements have to be compared. Some traits might be of high economic value, but on the other hand recording of these traits is also very costly. Recording of traits with low economical importance might be beneficial because of the low costs involved in obtaini...