Irona

This bird gets its name for strong livability and good weight gain. The SASSO Irona is the heaviest of the portfolio of colored layers and presents dark grey feathers. The female average bodyweight is 3.640 at 75 weeks and male average bodyweight is 2.564 at 12 weeks. This bird delivers excellent meat quality as well as produces feather-sexable chicks. In addition to its weight advantages, the Irona also lays 286 eggs at 75 weeks, making it a great option for dual-purpose production. This colored layer is highly adaptable and easy to manage in all production systems.

Laying period data:

  • Egg production (cumulative) at 75 weeks: 286
  • Body weight at 5% production: 2370 g
  • Body weight at 75 weeks: 3640 g
  • Average feed intake from 20 to 75 weeks: 53.3 kg
  • Produced egg mass: 18.1 kg
  • Average feed per egg: 186 g
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Laying performance

Age
in weeks
Body weight
theo. (g)
Total lay
real (%)
Cumulative egg production theo. Egg weight
theo. (g)
Feed consumption
theo. (g)
21 2370 5.0 0 43 135
27 2920 89.0 23 59 149
40 3240 84.4 102 64 141
50 3395 79.3 159 64 135
60 3500 74.2 213 65 129
75 3640 66.5 286 65 122
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To access all laying performance data, download the Irona product sheet.

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Male growing performance

Age in days Male body weight (g) FCR
1 37
7 99 0.57
14 215 1.01
21 354 1.62
28 573 1.98
35 825 2.31
42 1097 2.52
49 1383 2.60
56 1628 2.90
63 1884 3.13
70 2165 3.34
77 2362 3.72
84 2564 3.97
91 2684 4.45

These recommendations, based on our experience, are intended to allow the expression of our strains’ genetic potential in normal operations without any responsibility on the part of SASSO. An environment, biosecurity conditions, the geographical location, or specific equipment might require adaptations that have not been taken in consideration in these general recommendations.

Get in touch with your local sales representative to learn more.

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