Cross-table 04:

Ino (W-4)

inheritance sex-linked

mating hen 1
0-1 ino
(i)
hen 2
0-1 wildtype
(-)
cock 1
1-0 ino
(i)
1-0 ino (i)
0-1 ino (i)
1-0 wildtype ( /i)
0-1 ino (i)
cock 2
1-0 wildtype
( /i)
1-0 ino (i)
1-0 wildtype ( /i)
0-1 ino (i)
0-1 wildtype (-)
1-0 wildtype ( /i)
1-0 wildtype (-)
0-1 ino (i)
0-1 wildtype (-)
cock 3
1-0 wildtype
(-)
1-0 wildtype ( /i)
0-1 wildtype (-)
1-0 wildtype (-)
0-1 wildtype (-)

Comments:
This cross-table 04 can be used for the ino without other mutation factors. The ino can be a lutino or rubino. The name is dependent of the presence of psittacine pigments, yellow or red. The ino has a sex-linked inheritance. Only the cocks can be split for this ino factor. The eyes are red.

The best choice is the combination of a wildtype cock split for ino and an ino hen. The results are ino hens and cocks and wildtype split for ino cocks.
The next best choice is an ino cock and a wildtype hen. The genotype of all the youngsters is known, an ino-factor or split ino factor in the cocks, ino factor in the hens. The wildtype hens have no mutation factor.

It is important to know if there are other mutation factors in the ino or split ino birds. Many times a fallow factor is found. In this cases we have to use not this cross-table but cross-table 42 (combination with fallow) Most times the combination 45 is made to breed rubino.

Abbreviations:
(i) = ino factor
( /i) = split ino
(-) = no mutation factor
Colour:
dark yellow: best choice
bright yellow: good choice

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Copyright 2003 by Bob Fregeres

E-mail: fregeres@bourkes-parakeet.nl

2/2/04