In animal husbandry, feed conversion ratio (FCR) or feed conversion rate is a ratio or rate measuring of the efficiency with which the bodies of livestock convert animal feed into the desired output. For dairy cows, for example, the output is milk, whereas in animals raised for meat (such as beef cows,[1] pigs, chickens, and fish) the output is the flesh, that is, the body mass gained by the animal, represented either in the final mass of the animal or the mass of the dressed output. FCR is the mass of the input divided by the output (thus mass of feed per mass of milk or meat). In some sectors, feed efficiency, which is the output divided by the input (i.e. the inverse of FCR), is used. These concepts are also closely related to efficiency of conversion of ingested foods (ECI).
^Dan Shike, University of Illinois Beef Cattle Feed Efficiency
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In animal husbandry, feedconversionratio (FCR) or feedconversion rate is a ratio or rate measuring of the efficiency with which the bodies of livestock...
production. They are noted for having very fast growth rates, a high feedconversionratio, and low levels of activity. Modern commercial broilers are bred...
is the Feedconversionratio (FCR), the ability to convert feed into edible product. In 2018 the FCR of broilers is about 1.5, or 1.5 kg of feed to produce...
body-weight of more than 3.5 kg (8 lb) in seven weeks. They have a high feedconversionratio, are calm-tempered and fertile, and their eggs have a high rate...
ECD\!} These concepts are also very closely related to the feedconversionratio (FCR) and feed efficiency. Aryal, Achyut; Guan, Li-Ching; Xu, Wei (September...
have a lower feedconversionratio than cattle, which can provide an advantage in lower unit price of meat because the cost of animal feed per kilogram...
of a normal calf. Belgian Blue cattle have improved feedconversionratio (FCR) due to lower feed intake compared to weight gain due to an altered composition...
organisms has proven to increase the immunity and growth rate, decrease feedconversionratio, and reduce the overall cost of production. The growth promotional...
characteristics, including size, fur (length, quality, or color), feedconversionratio, climate adaptability, or temperament. Groups such as the American...
rate, best feedconversionratio and fish nutrient content than the reference diet of ocean-derived fishmeal and fish oil. Modern fish feeds are made by...
cod roe for the small glass ones. European eels typically have a feedconversionratio (FCR) in the range of 1.8-2.5, although European fisheries are typically...
the feed efficiency of growing cattle. It was developed by Robert M. Koch in 1963 as an answer to the difficulties of using a feedconversionratio to...
light and feed in low light on fish that cannot see as well as they do. Many anglers look for walleyes at night since this is when major feeding efforts...
footprint to mealworm cultivation, for which they also have a similar feedconversionratio. This compares with about 2-4 for chicken, 6-8 for pork, and up...
a consequence of the higher feed efficiency of aquatic animals (higher feedconversionratio [FCR], that is, kg of feed per kg of animal produced). Fish...
consumption of the fish (see "Consumption" below). These fishes generally feed on algae and small invertebrates. They tend to school around coasts and islands...
length. Trout may feed on shrimp, mealworms, bloodworms, insects, small animal parts, and eel. Trout who swim the streams love to feed on land animals,...
the essential amino acids in animal feeds would have a limiting effect on growth and thus on feedconversionratio. Thus, various feedstuffs may be fed...
flavor. New-shell lobsters have paper-thin shells and a worse meat-to-shell ratio, but the meat is very sweet. However, the lobsters are so delicate that...
change and the endemic Hawaiian grouper's spawning seasonality and sex ratio (Hyporthodus queries, f. Epinephelidae). Fishery Bulletin 109:123-134. Sadovy...
corned beef was also sold to the French West Indies, where it was used to feed both White settlers and Black slaves. Industrial processes in the British...
resource-intensive agricultural outputs. This is largely due to their large feedconversionratio. Livestock's large water consumption may also be attributed to the...
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