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Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje kitose duomenų bazėse / Article in conference proceedings in other databases (P1c)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Jasinskas, Algirdas;Pašvenskas, Gytis;Palšauskas, Mečys;Souček, Jiří
Title: Technological, technical and quality assessment of maize silage making and unloading from trench
Is part of: Rural development 2019 : research and innovation for bioeconomy (RD2019) [elektroninis išteklius] : 9th international scientific conference, September 26-28, 2019, Agriculture Academy of Vytautas Magnus University. Akademija : Agriculture Academy of Vytautas Magnus University
Extent: p. 145-148
Date: 2019
Note: Edited by prof. Asta Raupelienė
Keywords: Animal feeding;Maize;Silagemaking;Technologies;Unloading;Distribution
Abstract: Silage for animal feeding can be made from different plants. One of the most important feed crops from which silage is made is maize. Special choppers can be used for cutting and chopping these coarse-stem plants. The most widespread silage preparation is done in trenches, wheregoodquality silage can last for several years, making it one of the best feeds in winter. Incorrect picking and unloading of silage from trenches may result in secondary fermentation and may cause forage losses. Various types of equipment are used for silo unloading from storage. Thiswork researches maize plants, the quality of maize silage and the process of silage makingand unloading. The research was carried out in the laboratories of Agriculture Academy of Vytautas Magnus University and in afarmer’s farm. Tests have been performed with three different silo unloaders and a mobile feed mixer. The established average cornplant yield in 2018 was 31.8tha-1;for silage making, theplants were chopped with the drum chopper. After evaluation of the fractional composition of chopped mass, the chopped maize slices were found to meet thesilage production requirements, as even 82.6% of the chopped particles were 3.15-16 mmlong. Maize slice moisture was also found to be suitable for silage –66.12±7.3%. The density of prepared silage was highenoughand reached 699.89±19.04kgm-3or 230.55±6.27 kg m-3DM (dry matter). Silage unloaders test results showed that one sample of silage couldbe unloaded in 31–43s. The bucket type device could take the maximum weight sample –567.8±77.0kg, but the maximum density of the silage sample (30.41±1.95 kgm-3) could be taken by a block-cutting unit. Also, this unloader left the smallest unevenness on the feed surface. Distribution of feed in the farm for the animal was fairly even and this indicatedthat the silage-unloadingdevice hadno significant impact on the quality of feeddistribution
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio inžinerijos fakultetas
Appears in Collections:Rural Development 2019: Research and Innovation for Bioeconomy“ (RD2019): Proceedings of the 9th International Scientific Conference
Universiteto mokslo publikacijos / University Research Publications

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