There are pros and cons to rotary parlours. Timesaving is one of the main factors in their favour. Less downtime - compared with a herringbone, for example - means it is possible to milk more cows in less time.A secondary benefit is the potential for a reduced labour requirement, though this varies with the specification of the parlour.The biggest downside is the cost. As well as the rotary itself, there are often other costs such as a new building or adapting an existing one. In addition to the initial investment, there will be maintenance costs - and the more complex the system, thegreater these will be.
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