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Rola zadrzewień środpolnych w kształtowaniu bilansu wodnego jest niejednoznaczna, gdyż wykorzystują one wodę w procesie transpiracji, ale jednocześnie zatrzymują śnieg i ograniczają parowanie z gleby. Celem pracy było określenie rozkładu pokrywy śnieżnej w sąsiedztwie zadrzewień oraz ocena ilości wody zgromadzonej w zatrzymanym przez zadrzewienia śniegu. Badania prowadzono w Parku Krajobrazowym im...
Celem pracy była ocena składu tuszek i jakości mięsa 16-tygodniowych kogutów i kur bażantów rzeźnych (Phasianus colchicus colchicus) odchowywanych w systemie intensywnym. Badaniami objęto 80 bażantów zwyczajnych, które przez cały okres doświadczenia przebywały w pomieszczeniu zamkniętym. Ptaki żywiono ad libitum przemysłowymi pełnoporcjowymi mieszankami paszowymi dla bażantów rzeźnych zgodnie z zaleceniami...
Growing interest in fancy hen breeding motivates people undertake more research into assessment of their production traits. The purpose of this research is to assess the quality of eggs and results of hatch of three hen breeds: partridge italian, silver brahma, and salmon faverolle. Eggs were assessed in three periods of laying. Hatching was carried out with the use of eggs from the period of production...
Wind farms produce electricity without causing air pollution and environmental degradation. Unfortunately, wind turbines are a source of infrasound, which may cause a number of physiological effects, such as an increase in cortisol and catecholamine secretion. The impact of infrasound noise, emitted by wind turbines, on the health of geese and other farm animals has not previously been evaluated....
We can expect significant changes in the plant cover structure and crop structure due to the climate change, and the response of plants with different photosynthetic pathways to global change may be crucial for agriculture. The paper analyzes the impact of habitat factors connected with the climate change: temperature and concentration of CO2 in the atmosphere on the change of C3 and C4 plants primary...
The study was carried out with 51 game pheasants derived from parents that were fed during the reproductive period with a commercial feed mixture (25 birds) or feed mixture and whole maize grain (26 birds). Pheasants were kept in a confined facility, without regard to sex, in cages on plastic mesh floor for the first three weeks and in pens on straw later on. During the study, offspring received commercial...
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