[Rational removal of liquid manure]
2007
Priekulis, J.
During the last years in Latvia cows are kept in boxes without tethering. It decrease labour costs and improve milk quality, because in this case cows have been milked in separate hall. Necessary amount of litter also decreases. Therefore in cowshed is not obtained litter manure, but half-liquid manure (moisture content - 85-92%) or liquid manure (moisture content 92-97%). In the article author introduces with different technologies of liquid manure removal, describes evaluation of technologies by specific capital investment, labour and exploitation costs. For determination of efficiency removal technologies of liquid manure, are chosen character technological variants of liquid manure removal in Latvia and in other countries. Comparison of technological variants is showed in the table. All of those variants correspond on sheds with 100, 200, 300 and 400 cows herd size.
显示更多 [+] 显示较少 [-]