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Livestock grazing comparison is a method of comparing the numbers and density of livestock grazing in agriculture.Various units of measurement are used, usually based on the grazing equivalent of one adult cow, or in some areas on that of one sheep.
Thus an 800-pound steer would be considered equivalent to 0.8 animal units. [4] Estimation based on metabolic body size. In this method, which has been suggested for cattle, the number of animal units represented by an animal can be calculated as the ratio of that individual's body mass (in kg) to the 0.75 power, divided by 454 to the 0.75 power.
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.
In animal husbandry, a concentrated animal feeding operation (CAFO), as defined by the United States Department of Agriculture (USDA), is an intensive animal feeding operation (AFO) in which over 1,000 animal units are confined for over 45 days a year. An animal unit is the equivalent of 1,000 pounds of "live" animal weight. [1]
The regular feed conversion ratio, i.e. output fish mass divided by total feed mass. The conversion ratio only taking into account the fish-based component of fish feed, called the FIFO ratio (or Fish In – Fish Out ratio). FIFO is fish in (the mass of harvested fish used to feed farmed fish) divided by fish out (mass of the resulting farmed ...
In older English sources such as the King James Version of the Bible, cattle refers to livestock, as opposed to deer which refers to wildlife. Wild cattle may refer to feral cattle or to undomesticated species of the genus Bos. When used without a qualifier, the modern meaning of cattle is usually restricted to domesticated bovines. [15]
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.