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The study was carried out in the years 1998-2001 in Złotniki Experimental Farm. Observations included 82 female goats differentiated with respect to hornedness, age, breed and color. During the study period the animals were weighed seven times. The goats were observed in production conditions in groups arranged by goat-house workers. The number of animals in the observed groups was from 4 to 61. The same goats were observed in subsequent groups formed due to connecting and separating already existing groups. During the observation continuous recording was carried out. On basis of agonistic behavior for each individual a dominance index (di) was calculated being a quotient of the number of animals over which the individual dominates and the number of animals with which it enters into domination relationship.
Sheep wool can be a waste products of sheep husbandry. Its safe utilization evokes several serious problems. Therefore, it was of interest to check out the usefulness of wool as a fertilizer and/or substrate. The aim of the experiments reported in this paper was to evaluate the effect of the washed sheep wool used as an amendment to peat-based growing substrate on growth and yield of tomato, sweet pepper, and eggplant. The layer of wool was spread on 5 cm thick strata of substrate and covered with the same substrate at a rate of 10 g wool per 1 dm3 of substrate. Plants were grown individually in containers. It was stated that the addition of wool caused up to 33% higher yields, especially for tomato and pepper. Wool amendment caused changes in nutrients content of substrate and leaves. Thus, sheep wool can serve as a valuable and environmentally friendly fertilizer.
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