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Knowledge of diameter at the breast height (DBH), tree height and form factor allows to estimate tree volume, which is one of the most important measures in forestry. The paper presents empirical equations for the determination of DBH form factor of different species and hybrids of Populus sp. The study was set up on short−rotation plantation in Wichrowo Forest District (northern Poland). Four poplar...
The aim of the study was to establish reference values for the haemoglobin concentration, haematocrit level, and the numbers of erythrocytes, thrombocytes, leucocytes, lymphocytes, neutrophils, basophils, eosinophils and monocytes in the peripheral blood of mixed-breed rabbits and of mixed-breeds with the addition of meat breed blood, taking into account the impact of the season (spring, summer, autumn,...
Badaniami objęto ogonówkę surowo dojrzewającą i boczek wędzony, wykonane z mięsa świni złotnickiej pstrej i jej mieszańców z rasą duroc i wbp. Określono przyrosty masy mięsa po peklowaniu i ubytki podczas wędzenia. Ponadto oceniono sensorycznie badane wyroby, oznaczono ich pH, jasność barwy (L*a*b*) i zawartość NaCl. Krzyżowanie świni złotnickiej pstrej przy użyciu ras duroc i wbp przyczyniło się...
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