NON RECESSIVE FEMALES

st1

This range features 3 females with the following characteristics:

  • JA 57: possesses the greatest PS productivity, with more than 229 H.E. at 68 weeks. The hen and broilers are exceptional in their  rusticity
  • JA 57 K: offers the same PS productivity and rusticity, with offspring broilers being feather sexable,
  • JA 87 : promotes broiler growth, and offers a superior breast yield.

 

Female

JA 57 and JA 57 K

JA 87

Age at 5% of production

23

23

Weight at 5% of production (g)

1780

1944

Production peak (%)

92.5

90

Age of peak production (weeks)

28

28

Number of eggs/hen at 64 weeks

229

208

Number of hatching eggs/hen at 64 weeks

216

196

Egg weight at 27 weeks (g)

53.5

53.5

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