National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Potravní preference mravenců v lesním podrostu a korunách stromů v temperátních lesích
LENC, Jan
This study examines food preferences of ants in canopy and understory using tuna/sugar bait method in temperate forests. The abundance was measured to clarify foraging activity and food preferences in the Czech republic and Japan.
Objects of livestock production in terms of ambient noise levels
LENC, Jan
This thesis deals with the evaluation of noise exposure in the agricultural cooperative Hosín ? Dobrejovice. The aim of this work was to measure noise levels in the dairy barn area and its surroundings, during these processes work: milking, feeding, removal of excrement, bedding etc. Measurements were carried out in summer and autumn. During the measurement noise was the largest source of agricultural equipment. The results revealed that noise pollution resulting from the operation of agricultural cooperatives Dobrejovice is fair and negative influence on noise pollution does not occur.
Evaluation noise level in small capacity breeding of pigs
LENC, Jan
This Bachelor´s work describes the evaluation noise level in small capacity breeding of pigs. The aim of this work is to meassure the levels of noise during all work processes in the breeding of pigs. The goal is to process the meassurements and analyze the minimums, maximums and equivalent noise levels. These calculations will be then compared with the current hygienic norms. In case, the meassurements exceed the norms, a corrective proposal will be suggested to improve the situation.

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