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Livestock grazing comparison units are used by many governments to measure and control the intensity of farming. For example, until 2004 the UK Government had an extensification scheme which paid additional subsidy to farmers who kept their livestock at less than an average of 1.4 LUs per hectare. [1]
Animal unit months (AUMs) in a grazing area (calculated by multiplying the number of animal units by the number of months of grazing) provide a useful indicator of the amount of forage consumed. On public lands in various jurisdictions, authorized use of forage for grazing is commonly expressed in animal unit months.
The SGM provides a measure of a holding's business size, irrespective of its area and intensity of production. SGMs are calculated per unit area of crops and head of livestock, using standardized SGM coefficients for each type of crop and livestock. Different SGM coefficients are calculated for different geographical regions to allow for ...
As of 2011, pigs used commercially in the UK and Europe had an FCR, calculated using weight gain, of about 1 as piglets and ending about 3 at time of slaughter. [5] As of 2012 [update] in Australia and using dressed weight for the output, a FCR calculated using weight of dressed meat of 4.5 was fair, 4.0 was considered "good", and 3.8, "very good".
Church bell ringers use the unit commonly, [6] although church bell manufacturers are increasingly moving over to the metric system [citation needed]. Older blacksmiths' anvils are often stamped with a three-digit number indicating their total weight in hundredweight, quarter-hundredweight (28 lb (13 kg), abbreviated qr), and pounds.
This article is currently called Livestock Unit, and it covers various measures of livestock equivalence going under this name.However, there are other measures of livestock equivalence with different names, which are really exactly the same thing: for example Dry Sheep Equivalent, Animal unit, Ruminant Livestock Unit, Unité Bovin Tropical and Unité-Gros-Bétail.
Dry Sheep Equivalent (DSE) is a standard unit frequently used in Australia to compare the feed requirements of different classes of stock or to assess the carrying capacity and potential productivity of a given farm or area of grazing land.
The units by which the yield of a crop is usually measured today are kilograms per hectare or bushels per acre. Long-term cereal yields in the United Kingdom were some 500 kg/ha in Medieval times, jumping to 2000 kg/ha in the Industrial Revolution, and jumping again to 8000 kg/ha in the Green Revolution . [ 1 ]