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[20] [21] Generally, chicken breeds with white ear lobes lay white eggs, whereas chickens with red ear lobes lay brown eggs. [22] Although there is no significant link between shell color and nutritional value, often there is a cultural preference for one color over another (see § Color of eggshell below). As candling is less effective with ...
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.
Mass range per egg Average mass per egg Edible portion per egg King-size 860 g 71.7 g – 78.5 g 73 g 64 g Jumbo 800 g 66.7 g – 71.6 g 68 g 59 g Extra-Large 700 g 58.3 g – 66.6 g 60 g 52 g Large 600 g 50.0 g – 58.2 g 52 g 45 g Medium 500 g 41.7 g – 49.9 g 43 g 37 g
The tables below include tabular lists for selected basic foods, compiled from United States Dept. of Agriculture sources.Included for each food is its weight in grams, its calories, and (also in grams,) the amount of protein, carbohydrates, dietary fiber, fat, and saturated fat. [1]
Poultry farming is the form of animal husbandry which raises domesticated birds such as chickens, ducks, turkeys and geese to produce meat or eggs for food.Poultry – mostly chickens – are farmed in great numbers.
The egg's wall is still shapeable, and the pointed end develops at the back. [citation needed] One hypothesis is that long, pointy eggs are an incidental consequence of having a streamlined body typical of birds with strong flying abilities; flight narrows the oviduct, which changes the type of egg a bird can lay. [15] [16]
The addition of flax and canola seeds, both good sources of alpha-linolenic acid, to the diets of laying chickens, increases the omega−3 content of the eggs, predominantly DHA. [99] However, this enrichment could lead to an increment of lipid oxidation in the eggs if the seeds are used in higher doses, without using an appropriate antioxidant.
Chicken can be prepared in a vast range of ways, including baking, grilling, barbecuing, frying, boiling, and roasting. Since the latter half of the 20th century, prepared chicken has become a staple of fast food. Chicken is sometimes cited as being more healthy than red meat, with lower concentrations of cholesterol and saturated fat. [4]