The Lavender hen and rooster pictured on the left below are an excellent example of the retarded feather
growth (the rooster is on the extreme side).  
The Orpingtons pictured on the right  are an example of the how the feathers on English Orps should look.  
These Lavenders were actual imported birds that we imported in 2012 from England.  

The majority of Lavender Orpingtons can benefit by breeding to the Black Orpington.  
Gisbrecht's
English Lavender Orpington
Lavender is an autosomal  gene which means that as it is not sex linked it is inherited
the same way on both male and female birds.

It is also recessive so both parents need to carry the Lavender gene for the chicks to
visually show Lavender so a bird with only one Lavender gene will not show the
Lavender color but can be used to breed Lavender.

Lavender breeds true so Lavender  bred to Lavender will always produce Lavender.

Lavender can also be used to create new shades and colors as it is a diluting gene as
long as the bird is carrying two doses of Lavender . All black coloring will become
Lavender and any red pigment will dilute to a straw colour.

Lavender x Lavender = Lavender

Lavender x Black = 100% Black split Lavender

Lavender X Split = 50% Lavender, 50% Split offspring

Black split Lavender x Black split Lavender = 25% Lavender/ 50% Black split
Lavender/ 25% Black
The Lavender Gene - Pearl Gray
Information on the Lavender gene courtesy
of Keith Gibbons of
http://keiths-orps.co.uk/
The Lavender gene is very closely linked to a gene that causes retarded feather growth, especially in the tail area.

It is important to select and breed only from stock that shows normal feather growth and with the use of split parentage were one side ,either the cockerel or hen
has been split out to another color ( normally Black ) this will help to increase the strength of the gene pool while still maintaining the Lavender breeding line.
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Variety:
Lavender Orpington
Origination:
Our Imported Line 2012

Not Recognized by APA
Variety information:
Virtually no leg feathering, could still show up from
time to time as with all imported orps.
 These are very
large fluffy birds.
Can be bred to Lavender or Black Cuckoo for
gene diversity (see chart below)
.
What to expect in breeding:
This variety breeds true.   Mature Lavenders  will fade to
tan/yellowing overtones (roosters more than hens) in the
hackles and saddle area from sun exposure.  If you plan
to show it is advised to avoid excessive sun exposure.
Release Date - 2013
Egg Laying - Fertility -Good,150-180 eggs per year.  Can be
Broody - Peak laying is between 8-18 months, once hens reach 2
years old longer intervals between laying after molt could be
expected
The Lavender Cuckoos below were created
originally from Lavender to Black Cuckoo for
the barring gene.
The feather growth turned much nicer.
Fall Availability