BACKGROUND The aim of the current study was to assess the prevalence of bovine tuberculosis (BTB) in cattle, goats, and camels, and its zoonotic potential within the traditional livestock raising communities in four regions of Eritrea. The Single Intradermal Comparative Tuberculin Test (SICTT) as indicator of M. bovis infection was conducted on 1077 cattle, 876 goats, and 195 camels. To elucida...

OF THE APPROXIMATELY 800,000 American Indians in the United States, about 130,000, or 15 to 20 percent, are Navajos living on or near a 24,000-square mile reservation in northern Arizona, New Mexico, and southern Utah. Demographically, this population is similar to the populations of developing countries, with a rapid population growth resulting from a high birth rate and a declining death rate...

Concerns for reputation can promote cooperative behaviour. Individuals that behave cooperatively stand to benefit if they gain in influence, status or are more likely to be chosen as interaction partners by others. Most theoretical and empirical models of cooperation predict that image score will increase with cooperative contributions. Individuals are therefore expected to make higher contribu...

We explore the effects of the quantity of information on the tendency to contribute to crowdfunding campaigns. Using the crowdfunding platform Kickstarter, we analyze the campaign descriptions and the performance of over 70,000 projects. We look empirically at the effect of information quantity (word count) on funding success (as measure by amount raised and number of backers). Within this empi...

Land degradation and poverty caused by traditional arable agriculture have been serious problems in the ecologically fragile and economically backward mountains of Nepal. There is a prospect to address both of these problems to some extent by promoting livestock raising. However, a large livestock population exceeding the carrying capacity of land resources will risk undermining the sustainabil...