means of increasing worker productivity so that higher wages can be paid and as a means of getting the work done with a smaller labor force. A part, at least, of the difference between the level of mechanization here and abroad is explained by differences in wage rates. As wages go up, it pays to use more machines and fewer men. In recent years, for example, it took about 67 gallons of milk to ...

RATIONALE In the last decade, due to expansion of greenhouses and irrigated farms, the use of pesticides in Ethiopia has increased 6-13-fold leading to potential health risks. OBJECTIVE To investigate if occupational exposure to pesticides is associated with respiratory health effects in farmers and farm workers from commercial farming systems. METHODS We performed two cross-sectional surve...

This study aims to determine the suitability of dried shrimp head as part of the ingredient in formulated diet to promote growth of sea cucumber in captivity. The sea cucumber Holothuria scabra were divided into two tanks to test two different diets: Diet A (commercial diet supplemented with dried shrimp waste) and Diet B (commercial diet without dried shrimp waste). A total of 20 pieces of H. ...

the study investigated the loan repayment, its determinants and socio-economic characteristics of microfinance loan beneficiaries in the southeast states of nigeria. it was carried out in three states of the five southeast states. using a multistage sampling technique, a total of 144 loan beneficiaries in the three segments of mfis, namely; formal (commercial and development banks); semi-formal...

The first recombinant plant-derived pharmaceutical protein (PDP) was human serum albumin, initially produced in 1990 in transgenic tobacco and potato plants (Sijmons et al, 1990). Fifteen years on, the first technical proteins produced in transgenic plants are on the market, and proof of concept has been established for the production of many therapeutic proteins, including antibodies, blood pr...

Commercial farming of Atlantic salmon in Scotland started in 1969 and has since expanded to produce >179,000 t yr. A government department has published annual statistics and information on the seawater and freshwater sub-sectors of the Scottish salmon farming industry since 1979, and this review collates and discusses metrics covering aspects of production, farm sites and systems, fish perform...

The advent of scientific shrimp farming in India during 1990-91 not only boosted shrimp production but also attracted criticism on the grounds of generating adverse environmental and social impact challenging the sustainability of the system. Thus while examining the performance of alternative shrimp farming systems incorporating of the cost of negative externalities generated by shrimp farming...