The livestock unit abbreviated as lsu or sometimes as lu is a reference unit which facilitates the aggregation of livestock from various species and age as per convention via the use of specific coefficients established initially on the basis of the nutritional or feed requirement of each type of animal see table below for an overview of the most commonly used coefficients. The society for range management calculates that one animal unit would consume 2 2 6 of its live weight per day which represents 9 1 kg of dry matter dm per day 1 and 3 318 kg dm year 1 holechek et al 2004.
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For this purpose you can make a visual assessment of the age of the animals concerned or use any other records available.
Livestock units per hectare uk. In 2016 the livestock density in the eu 28 reached 0 8 livestock units lsu per hectare of utilised agricultural area uaa this was slightly higher than in the previous round of the farm structure survey in 2013. Stocking rates or densities are then expressed as livestock units per hectare lu ha. This means the efa part of the.
1 hectare x 10 10 hectares so the farmer s total reduction is 10 hectares. Based on the animal unit or livestock unit an expected amount of forage is used for calculation. Redfearn and bidwell 2003.
10 cows maintained on five hectares for three months equate to an annual stocking density of 10 5 x 3 12 0 5lu ha. Livestock units lus are a way of comparing the nutritional requirements of grazing animals they therefore assist with the calculation of stocking densities. One lu will require roughly one acre of land for summer grazing and one acre of land for conservation to provide forage for winter.
When calculating stocking rates or densities livestock units lu are used sometimes referred to as cow equivalents ce. Your farm level records should include. Livestock density at eu level in 2016.
These ratios are based on feed requirements of different livestock. Stocking rate on a lowland dairy farm is 2 livestock units two dairy cows per hectare 4 this stocking rate would present manure disposal problems in a nitrate vulnerable zone 5 permissible rates for manure application will be raised in autumn 2009 to allow an equivalent of approximately 2 5 cows per hectare. Number of livestock units lu declared.
Hectares allocated per livestock unit. N livestock present on farm on the 15th of each month to show that livestock density calculations are carried out correctly you will need to record the species age. Where the prescription involves a stocking density expressed as an annual equivalent the livestock units should be adjusted to take account of the length of time the stock are kept on the area e g.
Livestock units and stocking rates. Livestock grazing comparison units are used for assessing the overall effect on grazing land of different types of animals or of mixtures of animals expressed either as a total for a whole field or farm or as units per hectare ha or acre for example using uk government livestock units lus from the 2003 scheme a particular 10 ha 25 acre pasture field might be able to support 15. The livestock density index gives an indication of the pressure that livestock farming places on the environment.
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