The base of nourishment, characteristic of population and breeding season of wild boars ([i]sus scrofa[/i]) in the kaczawskie mountains
Journal Title: Zeszyty Naukowe Uniwersytetu Przyrodniczego we Wrocławiu, Biologia i Hodowla Zwierząt - Year 2011, Vol 583, Issue 0
Abstract
The information about yielding domesticated plants and seed production of beech and oak was taken during 2000–2005 years in areas of Lwówek Śląski, Jelenia Góra (in Poland) and Ersrode (in Germany). The range and strength of their availability as a potential base of nourishment for wild boars were estimated. The age of sows was determined based on tooth formation. This information was useful to evaluate the month of effective covering of sows. During 5 years the growth of supply of energy per 1 ha ranged from 6 up to 7% in Poland and Germany. The autumn and winter months influence on cover of wild boars. The heat also occurred in other months but the frequency was lower (the lowest level was observed during April, May and June). The concentration of estrogen in blood serum (which was taken from hunted sows) corresponded with day of heat occurring (which was determined by tooth formation).
Authors and Affiliations
Andrzej Zawadzki, Anna Szuba-Trznadel, Bogusław Fuchs
Keywords
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