Red
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What quantities of pigments are needed?

  • The amounts of red and yellow pigments to use depend on the amount of corn in the feed, and the depth of colour required.
  • Larger amounts of pigments, especially red, are required to achieve high colour scores.
  • The following tables provide guidelines for the quantities to use.
  • Note that the very small amounts of these pigments require premixing before addition to the mixer

Achieving yolk fan scores for chicken eggs

Corn % Product Fan score required
  9–10 10–11 11–12 12–13 13–14 * 14–15 *
0 Yellow † 200 200 250 300 300 300
  Red 15 20 25 35 45 55
20 Yellow 150 150 150 200 200 250
  Red 15 20 25 35 45 55
40 Yellow 100 100 100 125 150 175
  Red 15 20 25 35 45 55
60 Yellow – – 50 75 100 100
  Red 15 20 25 35 45 55

* normally these fan scores would be for duck eggs only
† all requirements are expressed as grams/t feed

Egg yolk pigmentation

Fan score required
9–10 10–11 11–12 12–13 13–14 14–15

Egg yolk pigmentation

Corn % Product † Fan score required
  9–10 10–11 11–12 12–13 13–14 * 14–15 *
0 Yellow 200 200 250 300 300 300
  Red 15 20 25 35 45 55
20 Yellow 150 150 150 200 200 250
  Red 15 20 25 35 45 55
40 Yellow 100 100 100 125 150 175
  Red 15 20 25 35 45 55
60 Yellow – – 50 75 100 100
  Red 15 20 25 35 45 55

* normally these fan scores would be for duck eggs only
† all requirements are expressed as grams/t feed

Broiler skin/shank pigmentation

Corn % Product Broiler skin/shank colour
  Low Medium High Very High
0 Yellow * 1250 2200 2500 3500
  Red 10 20 35 60
20 Yellow 1000 2000 2500 3200
  Red 10 20 35 60
40 Yellow 1000 1750 2000 3000
  Red 10 20 35 60
60 Yellow 750 1500 1800 2750
  Red 10 20 35 60

* all requirements are expressed as grams/t feed

Broiler skin/shank pigmentation

Corn % Product * Fan score required
  Low Medium High Very High
0 Yellow 1250 2200 2500 3500
  Red 10 20 35 60
20 Yellow 1000 2000 2500 3200
  Red 10 20 35 60
40 Yellow 1000 1750 2000 3000
  Red 10 20 35 60
60 Yellow 750 1500 1800 2750
  Red 10 20 35 60

* all requirements are expressed as grams/t feed
 
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