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At around the same time the FCR based on weight gain for broilers in Brazil was 1.8. [25] The global average in 2013 is around 2.0 for weight gain (live weight) and 2.8 for slaughtered meat (carcass weight). [26] For hens used in egg production in the US, as of 2011 the FCR was about 2, with each hen laying about 330 eggs per year. [25]
For example, the dress weight for chickens and other fowl is closer to 75% of the live weight, [3] which is significantly higher than that of cattle, which can be from 50-70% depending on breed and methods used. [2] To compare, a 250-pound pig will typically have a dressed weight of 180 pounds and a retail cuts weight of 144 pounds.
A Großvieheinheit represents 500 kilogrammes (roughly the weight of an adult bull). In the wild it excludes small animals like amphibians and insects, but is used for game in forestry and hunting. Examples are: Calf 50–100 kg = 0.1–0.2 GV; Young milk cow 450–650 kg = 0.9–1.3 GV; Milk cow = 1 GV; Horse = 0.8–1.5 GV; Boar = 0.3 GV ...
The EU employs a grading scheme that emphasizes carcass shape and amount of fat covering [4] instead of marbling and aging. The differences in grading yield incompatible value judgments of beef value in the United States and the EU. [5] Most beef offered for sale in supermarkets in the United States is graded U.S. Choice or Select. U.S. Prime ...
This is combined with artificial lighting conditions to stimulate eating and growth and thus the desired body weight. In the U.S., the average feed conversion ratio (FCR) of a broiler was 1.91 kilograms of feed per kilograms of liveweight in 2011, an improvement from 4.70 in 1925. [18] Canada has a typical FCR of 1.72. [19]
Linear estimation based on body mass or weight. This simple method is sometimes used for cattle. The number of animal units represented by one or more head of cattle may be calculated by dividing their total body mass in kg by 454 (or dividing their weight in pounds by 1000). Thus an 800-pound steer would be considered equivalent to 0.8 animal ...
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Backgrounding cattle that achieve weights of 650–700 pounds (290–320 kg) are suitable for sale to grass feeding operations, whereas those achieving weights of 800–825 pounds (363–374 kg) are suitable for sale to feedlot operators. [4] Buyers of feeder cattle tend to look for high average gain (in weight) and low feed-to-gain ratio.