Manufactured methionine must be added to a mixture of ingredients to ensure that the birds receive an adequate supply. All quality feeds are designed to contain adequate methionine. If feathering of game birds becomes a problem, add extra methionine to the feed or water. The same additive can be given to the birds in the drinking water. Consult the publication Solutions for Poultry as to recommendations for the supplementation of methionine to drinking water when feeding methionine deficient diets.
More information is also available in the Feeding Game Birds publication.
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