Recently, in addition to problems with parasites that seriously affect small ruminants, there is also a problem of feed shortage, which occurs especially in intensive crop production areas. The increasing human population and resultant change in the environment (lower soil fertility and deforestation) in the last few years have resulted in increasing crop areas. Fences are often constructed around the cropping area, thus affecting the grazing areas. Therefore feed resources that were plentiful in the past do not exist any longer on many farms. Farmers have to spend more time finding feed for their animals (Horne and Stür 1999).