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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 ...
More recently, it has been used on whitetail, mule deer, pronghorn, caribou, elk, moose, and black bear. [20] It is commonly said that in the U.S. and Canada more deer have been killed with the .30-30 than with any other cartridge, and perhaps this was true for a time in the U.S.
A feed ratio is a measure of profitability of animal husbandry, expressed as the ratio between the cost of food and the price of the final product. For example, in pig farming , the hog/corn ratio is the number of bushels of corn equal in value to 100 pounds of live hogs .
When infected deer congregate at an artificial feeding site, they could easily infect other deer that visit the same site. “It’ll facilitate more rapid transmission of disease,” says Fuda. 4.
The principle of minimum energy is essentially a restatement of the second law of thermodynamics. It states that for a closed system, with constant external parameters and entropy, the internal energy will decrease and approach a minimum value at equilibrium. External parameters generally means the volume, but may include other parameters which ...
Sep. 13—Wildlife feeding is now formally off limits in parts of Spokane County under a new rule announced Thursday as part of the state's fight against chronic wasting disease.
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Optimal foraging theory has been used to predict animal behaviour when searching for food, but can also be used for humans (specifically hunter-gatherers). Food provides energy but costs energy to obtain. Foraging strategy must provide the most benefit for the lowest cost – it is a balance between nutritional value and energy required.
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