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Question: feed costs when evaluating the costeffectiveness of a particular feed...

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Feed costs:

When evaluating the cost-effectiveness of a particular feed, the FCR of that feed and its unit cost should be taken into account simultaneously and not independently of each other. Using the cheapest feed available, more often than not, does not translate into the lowest cost to produce a kilogram of fish.

Using the table below calculate cost per ton for the following scenarios.

Feed price in cents/lb. (dollars/ton in parenthesis) conversion 10.0 11.25 12.5 13.75 15.0 16.26 ratio (200) (225) (250) (275) (300) (325) 1.3:1 13 15 16 18 2021 14 16 18 19 223 15 17 19 223 24 16 18 20 2224 26 17 19 21 2326 28 18 20 23 2527 29 19 21 24 26 29 31 20 23 25 2830 33 21 24 26 2932 34 22 25 28 3033 36 23 26 29 3235 37 24 27 30 3336 39 25 28 31 34 38 41 26 29 33 36 39 42 27 30 34 741 44 28 32 35 3942 46 29 33 36 4044 47 30 34 38 44549 35 39 44 485357 40 45 50 55 60 65 1.7:1 2.0:1 2.2:1 2.5:1 2.6:1 2.7:1 2.8:1 2.9:1 3.0:1 3.5:1 4.0:1

i) If 5,000 lbs of fish were produced per acre, the feed was $300/ton, and the FCR was 1.6:1, what was the total cost of feeding the fish/acre?

ii) Using the FCR from the previous question, determine what the price would be if 10,000 lbs of fish were produced per acre and the feed cost $250/ton.

iii) Given your answers to parts i and ii, which stocking density would you chose? Why?

iv) What factors affect FCR and Feed costs?

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