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The regular feed conversion ratio, i.e. output fish mass divided by total feed mass. The conversion ratio only taking into account the fish-based component of fish feed, called the FIFO ratio (or Fish In – Fish Out ratio). FIFO is fish in (the mass of harvested fish used to feed farmed fish) divided by fish out (mass of the resulting farmed ...
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 ...
It was developed by Robert M. Koch in 1963 as an answer to the difficulties of using a feed conversion ratio to compare individual animals. [1] Effective use of RFI data can greatly improve beef cattle farm profits. [2]
1.1 Feed conversion ratio / Efficiency of food conversion. 1 comment. 1.2 Why are multicellular, eukaryotic organisms more difficult to kill than prokarotic, ...
This ratio can become larger than 1. It can be used to indicate whether reservoirs are built up and it is ideally close to 1. When the feed stops, its value is not defined. In semi-batch polymerisation, the instantaneous conversion is defined as the total mass of polymer divided by the total mass of monomer fed: [1] [2]
The feed consists of protein-rich defatted biomass of Nannochloropsis oculata and whole cells of DHA-rich Schizochytrium sp. and was found to perform better in growth, weight gain, specific growth rate, best feed conversion ratio and fish nutrient content than the reference diet of ocean-derived fishmeal and fish oil. [12] [13]
A key measure of performance is the feed conversion ratio (FCR), the ability to convert feed into edible product. In 2018 the FCR of broilers is about 1.5, or 1.5 kg of feed to produce 1 kg of meat. [2] This compares very favorably with other sources of meat.
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