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Male Western moose stand anywhere from 1.9 to 2.0 metres (6.2 to 6.6 ft) at the shoulder. Their antlers span 1.5 to 1.7 metres (4.9 to 5.6 ft) and they weigh anywhere from 380–720 kilograms (840–1,590 lb). Female Western moose stand at 1.8 metres (5 ft 11 in) on average, and weigh anywhere from 270 to 360 kilograms (600 to 790 lb).
Eastern moose are the third largest subspecies of moose only behind the western moose and the Alaska moose. Males stand on average 1.7–2.0 m (5.6–6.6 ft) at the shoulder and weigh up to 634 kg (1,398 lb). Females stand on average 1.7 m (5.6 ft) at the shoulder and weigh on average 270–360 kg (600–790 lb).
Alaska moose are sexually dimorphic with males being 40% heavier than females. [5] Male Alaska moose can stand over 2.1 m (6.9 ft) at the shoulder, and weigh over 635 kg (1,400 lb). When Alaska moose are born, they weigh on average about 28 pounds, but by five months old they can weigh up to 280 pounds. [4]
As of 2011 in the US, broiler chickens has an FCR of 1.6 based on body weight gain, and mature in 39 days. [25] 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]
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 units. [4] Estimation based on metabolic body size.
Dairy cow Dairy cow Beef cow Tropical cow Dairy cow producing 3,000 L (790 US gal) milk 2-year-old dry Merino sheep Ewe with one lamb Weight equivalent of one unit 650 kg (1,430 lb) 455 kg (1,003 lb) 250 kg (550 lb) 600 kg (1,300 lb) 45 kg (99 lb) 55 kg (121 lb) Dairy cow 1.00 1.00 1.00 0.50 0.70 1.00 20.0 8.0 Dry medium beef cow
Adults, on average, weigh 285 kg (628 lb), but can range from 180 to 410 kg (400 to 900 lb). [ 13 ] [ 21 ] The thick coat and large head suggest a larger animal than the muskox truly is; the bison, to which the muskox is often compared, can weigh up to twice as much. [ 22 ]
Bergmann's rule - Penguins on the Earth (mass m, height h) [1] Bergmann's rule is an ecogeographical rule that states that, within a broadly distributed taxonomic clade, populations and species of larger size are found in colder environments, while populations and species of smaller size are found in warmer regions.