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Feed conversion ratio (FCR) is the ratio of inputs to outputs; it is the inverse of "feed efficiency" which is the ratio of outputs to inputs. [2] FCR is widely used in hog and poultry production, while FE is used more commonly with cattle. [2]
The efficiency of conversion of ingested food to unit of body substance (ECI, also termed "growth efficiency") is an index measure of food fuel efficiency in animals. [1] The ECI is a rough scale of how much of the food ingested is converted into growth in the animal's mass. It can be used to compare the growth efficiency as measured by the ...
Residual feed intake (sometimes shortened in literature to RFI) is a resource allocation theory index [clarification needed (what is a "resource allocation theory index"?)] used to calculate the feed efficiency of growing cattle.
Feeding efficiency is reflected on the birds' performance and their products. According to National Research Council (1994), poultry requires at least 38% components in their feed. The ration of each feed components, although differing for each different stage of birds, must include carbohydrates, fats, proteins, minerals and vitamins.
The productivity of a region's farms is important for many reasons. Aside from providing more food, increasing the productivity of farms affects the region's prospects for growth and competitiveness on the agricultural market, income distribution and savings, and labour migration.
Some corn-fed cattle are raised in concentrated animal feeding operations known as feed lots. In the United States, dairy cattle are often supplemented with grain to increase the efficiency of production and reduce the area needed to support the energy requirements of the herd.
Financial assistance should be dedicated to advancing Administration priorities, focusing taxpayer dollars to advance a stronger and safer America, eliminating the financial burden of inflation ...
Ecological efficiency describes the efficiency with which energy is ... The rest of the energy input into cultivating feed is respired or egested by the livestock and ...