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In 2008, all Cobb line birds made up around 30-40% of global broilers. [10] In 2016, the Cobb 500 alone was nearly 50%. [3] More broadly, fast-growing chickens now make up the vast majority of the global chicken supply. As of 2021, 90% of the global broiler population is part of either the Cobb or Ross lines, which are both fast-growing. [11]
Breed broiler is any chicken (Gallus gallus domesticus) that is bred and raised specifically for meat production. [1] Most commercial broilers reach slaughter weight between four [2] and six weeks of age, although slower growing breeds reach slaughter weight at approximately 14 weeks of age. Typical broilers have white feathers and yellowish skin.
The quantity of feed, and the nutritional requirements of the feed, depend on the weight and age of the poultry, their rate of growth, their rate of egg production, the weather (cold or wet weather causes higher energy expenditure), and the amount of nutrition the poultry obtain from foraging. This results in a wide variety of feed formulations.
One indication of the effect of broilers' rapid growth rate on welfare is a comparison of the usual mortality rate for standard broiler chickens (1% per week) with that for slower-growing broiler chickens (0.25% per week) and with young laying hens (0.14% per week); the mortality rate of the fast-growing broilers is seven times the rate of ...
For example, supplementary minerals help ensure good growth, bone development, feathering in birds, hoof, skin and hair quality in mammals, enzyme structure and functions, and appetite. Deficiency of trace minerals affect many metabolic processes and so may be manifested by different symptoms, such as poor growth and appetite , reproductive ...
For precise details about vitamins and mineral contents, the USDA source can be used. [1] To use the tables, click on "show" or "hide" at the far right for each food category. In the Measure column, "t" = teaspoon and "T" = tablespoon. In the food nutrient columns, the letter "t" indicates that only a trace amount is available.
Organic poultry production requires organic management in nutrition, preventative health care, living conditions, handling/processing, and record keeping. [22] The Soil Association standards [ 23 ] used to certify organic flocks in the UK indicate a maximum outdoors stocking density of 1,000 birds per hectare and a maximum of 2,000 hens in each ...
The WIMEX Group is an internationally active German company in the meat and agricultural industry, based in Köthen, Saxony-Anhalt.With an annual capacity of 435.455 million hatching eggs, it is the largest producer of day-old chicks for chicken fattening in Europe [3] and one of the world's largest suppliers of broiler chickens of the Cobb breed. [4]