In extremely strong cases of infestations I bath my chicken with an Neem oil emulsion, which is use also to spray out the coop after wet cleaning. Otherwise Diatomicious Earth or alternatively Rock dust is enough to reduce the mites.
There are no golden Lakenfelder (this is the german writing style) in the european Standard.
Vorwerk are created as a dual breed and according to the european/german Standard the roosters are 750 gram heavier as the Lakenfelder, and the hens 500 gram. The (original large version) Vorwerk Chicken...
Has someone institutional access to this Ebook?
I have already the print version from 1991, but I like to use the advance of text search in Ebooks.
My University unfortunately doesn't offer institutionally access to this Ebook.
So I have the hope, that there is someone here, who could share this...
These two books give a good overview about the introduction of Chicken to the New World (Chapter 8)
https://books.google.de/books?id=ncWCVCaWMuAC&lpg=PA142&ots=VS_Pw-7-BL&dq=north%20america%20chicken%20archaeological&hl=de&pg=PA141#v=onepage&q=north%20america%20chicken%20archaeological&f=false...
For example White Leghorn
Quote:Silverudd (1974, p. 194)
http://onlinelibrary.wiley.com/doi/10.1111/j.1601-5223.1974.tb00931.x/pdf
The combination of gold and inhibitor of gold reduces/removes the problem of straw tinge in white birds - similar to silver.
In general You need only two or...
Another alternative source for the recessive White could be the Barred Plymouth Rocks, which were used to create the Gold Legbars. So - not easy to trace it back definitely, where the recessive White originates from.
There is an study which shows that there is a female bias in poultry aswell ... finally it makes more sense than the claim, that rooster dominate the inheritance of shell colour.
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2435.2012.02001.x/pdf
PS: This page gives more impression about his laying-hen-system.
He promotes to keep the laying hens longer than two periods (as used to that time).
His idea, was to create a good management system to keep laying performance high
and reach consequently 1000 eggs per hen after four or six...
Unfortunately the mentioned copy of the leaflet/booklet couldn't be find online.
https://www.google.com/search?q=1000+egg+hen+trafford&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:de:unofficial&client=seamonkey-a
So I hope, that maybe someone here in the Forum knows it and could provide me a scan.
You can expect at least an average of the egg colour of both lines. That's why these crosses have been made e.g. to create Welbars.
But if You cross back Welbars to Welsummer in F2, F3, ... Fn, You will get improved Welsummers.
The english Cuckoo Marans have the advantage, that their shanks are...