| 摘要 |
A food for poultry comprises an emulsion of a solution of an oil-soluble red dyestuff and a solution of one or more salts beneficial to or giving nutriment to the poultry. The dyestuff may be amidoazobenzene - azo - b - naphthol, which may be dissolved in fish oil, and the salts may be calcium hypophosphite, sodium benzoate, calcium phosphate or calcium chloride.ALSO:A food for poultry comprises an emulsion of a solution of an oil-soluble red dyestuff and a solution of one or more salts beneficial to or giving nutriment to the poultry. The dyestuff may be amidoazobenzene - azo - b - naphthol, which may be dissolved in fish oil, and the salts may be calcium hypophosphite, sodium benzoate, calcium phosphate, or calcium chloride. The food is stated to produce a deep yellow to reddish yellow colouration of the egg yolk without influencing the colour of the albumen. |
