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The horse is considered a "thin animal" (with little fat), whose weight is divided into approximately 11% bone, 50% muscle and 9% fat; [2] but a large number of factors influence its weight. Some breeds ( draft horses ) are naturally heavier than others ( ponies ), and differ in size and bone structure, so the weight range of horses is highly ...
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]
For example, the Food and Agriculture Organization's Tropical Livestock Unit is based on the weight of the animal raised to the power of 0.75, compared with the equivalent figure for a "tropical cow" of 250 kg (550 lb). [3] The following is a summary of some schemes in common use, using the most closely comparable categories:
Date: 30 October 2018: Source: Gilbert. M. et al. Global distribution data for cattle, buffaloes, horses, sheep, goats, pigs, chickens and ducks in 2010.
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]
Poultry and fish are not included in the category. [3] The latter is likely due to the fact that fish products are not governed by the USDA, but by the FDA . The breeding, maintenance, slaughter and general subjugation of livestock called animal husbandry , is a part of modern agriculture and has been practiced in many cultures since humanity's ...
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The USDA's first nutrition guidelines were published in 1894 by Dr. Wilbur Olin Atwater as a farmers' bulletin. [1] [2] In Atwater's 1904 publication titled Principles of Nutrition and Nutritive Value of Food, he advocated variety, proportionality and moderation; measuring calories; and an efficient, affordable diet that focused on nutrient-rich foods and less fat, sugar and starch.