Discussion
Assertion (A): Untreated cottonseed cake is unsuitable for poultry.
Reason (R): Free gossypol in the cake is toxic to monogastric animals.
Select the correct answer from the options below.
Answer: D
Correct answer: Both A and R are true, and R is the correct explanation of A
Both statements are true and the reason explains the restriction. Free gossypol is toxic to monogastric animals, causing depressed growth and, at higher intakes, damage to the liver and reproductive organs.
Ruminants tolerate it because rumen microorganisms bind it before absorption, which is why untreated cake has traditionally gone to cattle. For poultry the cake must first be heat treated, binding the gossypol to protein, or solvent extracted to remove it - and that processing is what the price difference reflects.
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