15 resultados para Livestock breeding

em Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland


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Selostus: Alkionsiirtojalostusohjelma "ASMO", sen tavoitteet ja yhteenveto alkuvalinnan tuloksista

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Selostus: Syys- ja talviruokinnan vaikutus yksin ja pareittain kasvatettujen minkkien lisääntymistulokseen

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Selostus: Kestävän kehityksen vaatimukset kotieläintuotannossa ja -jalostuksessa

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Selostus: Ponsiviljelymenetelmän optimointi ohranjalostuksen käyttöön

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Selostus: Kotieläintuotannon osuus kehitysmaiden ruoantuotannosta

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Selostus: Perinnöllinen edistyminen suomalaisessa lypsykarjan jalostusohjelmassa

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Selostus: Vertaileva tutkimus kahden paritusjärjestelmän vaikutuksista tarhattujen hopeakettujen penikoimisten ajoittumiseen

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Selostus: Ruokohelven soveltuvuus non-food-, rehun- ja siementuotantoon

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The problem concerning livestock waste handling in the Leningrad region has been subjected to a number of research works. However, the requirements for use of manure and sewage sludge as well as for treatment processes are not certain. So, this problem remains relevant and, therefore, further investigation ought to be made. Currently a large amount of sewage sludge and manure is generated in the Leningrad region. These livestock wastes have to be obligatory treated. The most common methods for treatment in the region, such as anaerobic digestion, composting and aging as well as the most potential methods are described in the thesis. The most potential methods for the Leningrad region are anaerobic digestion, composting and combustion. Each method has strengths and weaknesses, which are also considered in the paper. Aging was not considered as potential treatment method because it does not meet the sanitary and epidemiological requirements. Furthermore, the work gives an overview and comparison of Finnish and Russian legislative and normative acts concerning livestock wastes handling. On the whole the requirements of the Russian Federation concerning sewage sludge and manure are not much different from the Finnish ones.