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Livestock and nutrient cycling: maintaining a balance; Making sense - and use - of genetic diversity; Aspects of biotechnology research at ILRI; Smallholder dairying - intimate links between people and livestock; Diagnostics and the environment; Impact of trypanosomosis control; ILRI in Latin America; Balancing human needs, livestock and the environment.
Analysis of Genetic Variation in Animals includes chapters revealing the magnitude of genetic variation existing in animal populations. The genetic diversity between and within populations displayed by molecular markers receive extensive interest due to the usefulness of this information in breeding and conservation programs. In this concept molecular markers give valuable information. The increasing availability of PCR-based molecular markers allows the detailed analyses and evaluation of genetic diversity in animals and also, the detection of genes influencing economically important traits. The purpose of the book is to provide a glimpse into the dynamic process of genetic variation in animals by presenting the thoughts of scientists who are engaged in the generation of new idea and techniques employed for the assessment of genetic diversity, often from very different perspectives. The book should prove useful to students, researchers, and experts in the area of conservation biology, genetic diversity, and molecular biology.
We analyze the evolution of crop and livestock producer prices and wages of unskilled laborers in Ethiopia between January 2014 and January 2017 to evaluate the effect of El Niño triggered droughts – which started in 2015 – that massively impacted parts of the country. The analyses reveal no evidence of widespread adverse price effects of the drought in cereal and labor markets. Real prices of major cereals were lower in January 2017 compared to three years earlier, especially for maize, sorghum, and wheat – the crops that are the major source of calories in areas that were most hit by drought. The decline in the cost of cereals in the food basket in January 2017 compared to three years earlier was estimated at 13.3 percent at the national level. Moreover, this decline in cereal costs was highest in areas most affected by the drought, possibly indicating the effect of major cereal imports and food aid directed to these areas. Considering crop and livestock prices jointly, the analysis reveals that livestock-cereal terms of trade improved. This is mainly due to the fact that although livestock prices declined during this period, as is usually seen in droughts, this decline was less than the decline in prices of cereals in such areas. The fluctuating behavior of cereal prices since January 2015 strikingly contrasts with the El Niño triggered major drought during 1997/98 in Ethiopia. During that period, cereal production declined by 25 percent compared to the year before, with significant increases in the real price of cereals, ranging between 15 and 45 percent. In contrast, in 2016 real cereal prices declined, which appears consistent with the relatively larger cereal imports and lower impacts of the drought on national cereal production in 2015/16.