The value of livestock increased annually after 1981, but the decreases in livestock in the early revolutionary period were such that by 1985 the overall value of livestock remained below the 1976 level. Severe shortages of meat and eggs, coupled with high demand and the absence of price controls, encouraged the raising of livestock and were expected to improve livestock availability. Livestock-raising methods were generally unsophisticated. Sheep and goats were kept by nomadic tribesmen and by sedentary villagers who supported a few animals as a sideline to farming. These animals had diets of grass and shrubs that often left them diseased and malnourished in turn, the herders obtained little profit in the way of meat, milk, hair, and hides. Data as of December 1987
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