Every dairy farm has what’s called a milking platform, which is the block of land where the lactating dairy cows live, graze, and move over the milking season. Within this, the effective milking area refers specifically to the grazeable, productive hectares that directly support milk production. To allow for more fine-tuned pasture management, the effective milking area is further subdivided into smaller paddocks, each typically sized to provide enough grass to feed the entire milking herd for one to three days.
The paddocks are clustered around the milking shed (also called the cow shed) where the cows go to be milked once or twice daily depending on the farm system. Cows move between the shed and the paddocks using a network of laneways. The main, well-constructed laneway leading directly to the shed is known as the race, while the smaller or less formal laneways that branch off to individual paddocks are referred to as tracks. An intersection refers to a point where two or more laneways meet or cross, and these areas must be carefully designed and maintained to prevent bottlenecks in cow flow and to avoid surface damage that can increase the risk of lameness or injury.
After walking down the main race, cows are typically collected in a round or rectangular yard before entering the shed allowing milkers to control the flow of animals through the shed. A backing gate is a movable gate used in the collecting yard of a dairy milking shed to gently push cows forward toward the shed entrance during milking.
Inside the milking shed, most New Zealand farms use either a herringbone or a rotary milking system. In a herringbone shed, cows stand side-by-side at an angle to a central pit where the milker works, allowing efficient attachment of cups and good access to udders; this design is common on small to medium herds and is relatively simple and cost-effective.
Herringbone sheds are usually described by the number of cow positions on each side of the pit, for example a 16-aside shed milks 32 cows at a time, while a 20-aside shed milks 40 cows at once, with single-sided designs occasionally used on smaller farms.
Rotary sheds use a large, slowly rotating platform that carries cows past the milking operators or automated units, enabling continuous cow flow and high throughput, and are therefore favoured on larger farms with big herds and tight milking time constraints. Rotary sheds are designated by the total number of bails or stalls on the platform, such as a 40-bail or 60-bail rotary, which reflects how many cows can be milked simultaneously.
Off-pasture housing systems are used on New Zealand dairy farms to provide shelter for young stock and to protect cows and pastures when grazing conditions are unsuitable, particularly during wet weather or early life stages. These facilities give farmers flexibility within predominantly pasture-based systems to support animal welfare, manage feed demand, and reduce pasture damage.
Any locations where cows congregate, such as yards, milking sheds, feed pads, stand-off pads, or barns, require systems for managing effluent, which refers to the mixture of faeces, urine, spilled feed, wash-down water, and other liquids generated in these high-use areas. Effluent is commonly grouped into three broad categories based on dry matter content: liquids (0–5%), slurries (5–15%) and solids (>15%) with each requiring different equipment to spread onto pasture. Most farms use effluent ponds to store liquid effluent before irrigating it onto pasture or crops, while solids may be separated using systems such as sludge beds or weeping walls for easier handling and land application. Good effluent management combines appropriate system design with sound on-farm practices to ensure effluent is applied at the right rate and time, delivering fertiliser value, protecting soil and waterways, supporting animal health, and meeting regional council requirements.
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