Manure management is one of the most important and most costly operations of a farm all around the clock. In recent years, cow halls have been replaced with free stalls, which have made on-time collection of manure more urgent. Having checked the manure collection methods in farms, one can clearly understand that no effective and economic system has been applied yet and practically old methods are still common with their negative impacts on the overall efficiency of herd management. It is noteworthy that one of the most important reasons to use free stall systems is the necessity to clean cows walking areas, which helps with the hygiene of the herd and milk health and decreases hoof problems. Mensch vacuum manure machines are made in the USA to collect manure in the promptest time [...]