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    Searching for productivity gains through 'once-a-day' milking on New Zealand's pastoral dairy farms

    Guimarães, F. B.; Woodford, Keith B.
    Abstract
    Cows that are milked once-a-day (OAD) produce less milk than when milked twice-a-day (TAD). However, these cows also require less feed because of their lower milk production. Hence stocking rates can be increased. New Zealand evidence shows that the benefits from OAD milking can include per cow savings in animal health, labour and electricity costs, plus improved pregnancy rates. A linear programming model was used to evaluate the whole farm impact of these changes. This showed that OAD milking is likely to reduce profitability. This was based on recent New Zealand research showing an average per cow production decrease of 29% for Friesian cows and 20% for Jersey cows. However, given that some cows can perform under OAD at a similar level to TAD, it is likely that selective breeding will eventually lead to per-cow losses of production that are much less than this. If per cow production losses under OAD milking can be reduced to about 10%, then this will allow cow numbers to be increased by about 6% and will provide a similar whole farm profit as under TAD. There would also be lifestyle advantages for farmers. If per cow production losses could be eliminated, then the farm working expenses under OAD on a typical New Zealand dairy farm would be reduced by about 6.5%.... [Show full abstract]
    Keywords
    once-a-day milking; milk harvesting; linear programming; dairy farming; Once-a day milking; pastoral dairy farming; Livestock Production/Industries
    Date
    2005
    Type
    Conference Contribution - Published (Conference Paper)
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    • Department of Land Management and Systems [383]
    • Department of Agricultural Sciences [1445]
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    Citation
    Guimaraes, F. B., & Woodford, K. (2005). Searching for productivity gains through 'once-a-day' milking on New Zealand's pastoral dairy farms. In Proceedings of the 15th International Farm Management Congress (pp. 145-150). England: International Farm Management Association.
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