A model was developed for the economic evaluation of embryos for producing bull lines for use in commercial beef production. The fundamental concept underlying the model is that a cloned and sexed embryo of known genetic characteristics for beef traits is used to produce a bull. After reaching physiological maturity, the bull is used in natural matings. Equations relating feed energy requiremen...

This research investigated the relationship between socioeconomic characteristics and male contraceptive uptake in Kenya. A survey of 572 randomly selected respondents participated study. The study assessed respondents’ profiles such as location residence, age, marital status, polygyny, family size, education attainment, working status income level. age ranged from 18 to 60 years. Chi-square re...

In the United States, urbanization processes have resulted in a large variety-or "continuum"-of urban landscapes. One entry point for understanding the variety of landscape characteristics associated with different forms of urbanization is through a characterization of vegetative (green) land covers. Green land covers-i.e., lawns, parks, forests-have been shown to have a variety of both positiv...

millions of people in underdeveloped countries, have assumed poverty as a principal of life in globalization age. in comparison with advanced countries, asian, african and latin american countries are characterized as poor societies. lack of equally access to economic and social opportunities, low level of life, economic stagnation, political instability, and such factors are taken into account...

Farmers' objectives and the factors a€ecting them were studied in 91 dairy farms in Costa Rica. Objective's hierarchies were studied using Rokeach's technique with a mixture of personal, economic and familiar goals. A canonical correlation analysis was performed to ®nd out simple and canonical correlations between farmers'/farms' characteristics and objective priorities. Factor analysis combine...