How to Breed Cage Birds for Colour
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About this ebook
Breeding birds is a popular pasttime for enjoyment, new discoveries, challenges, friendships and even an income. Large amounts of money is spent on acquiring breeding stock and caring for the birds in the aviaries. Literally thousands of books, guides and manuals have been written on the subject.
Yet up to now there has been one serious shortcoming. There is no accurate recipe for breeding birds of specific colours. By trial and error most breeders have devised tables of information where they describe that, for instance, crossing a white and a yellow bird, will result in a red offspring, but they do not know why!
This book now for the first time discloses new discoveries in the creation of bird colours that will allow bird breeders to exactly plan and predict bird breeding to achieve specific outcomes and colours. The new discoveries centre around:
* Normal bird colours are a creation of only three basic colours, mixed in different proportions.
* Each bird species’ members have specific colour blocks on their bodies where the three colours are either active or not active.
* All colour changes are as a result of specific inheritable, identifiable and controllable defects. No colour change is spontaneous or a sudden new mutation!
Amazingly the human eye can not detect the magenta colour of light waves, as it is not a colour on the visual colour spectrum. A magenta coloured bird in the aviary will appear white to the human eye! But if the breeder wants to breed with it, he must know its true hidden colour, referred to as the virtual colour of the bird. This “magenta trap” explains why a white bird crossed with a yellow bird reproduces red birds. It is because the white in some birds is actually magenta, and magenta and yellow produces the red offspring!
In studying bird colours for more than 40 years, amongst others as a bird breeder, the author has made a number of remarkable new discoveries related to the creation and changes in bird colours. What he has discovered explains all the different bird colours appearing in aviaries and as seen by bird watchers in nature, and also point scientists in a direction to revise and perfect the “Science of Avichroma”, the name that he has given to the science of studying bird colours.
The book contains four sections, discussing the formation of colours in birds, describing the 9 colour defects, of which 4 causes most colour changes, describing step by step how bird breeders should plan, track and breed their birds for colours, and a section with general information.
With the knowledge contained in this book, bird breeders will now for the first time, by breeding with virtual birds and keeping proper records, be able to fully understand the differently coloured birds of the same species that they may breed.
This publication establishes Avichroma as the Sciene of Colour in Birds and will contribute immensely to the understanding and predicting bird colours when breeding birds.
Herman van Niekerk
I was born on a small farm on the outskirts of Pretoria, South Africa on 26 January 1946. During those years pit toilets, affectionately known as long-drops, were still the norm. When nature called early on that eventful Saturday morning, my mother rushed to the toilet, where I suddenly made my appearance. The farm hand, John Manca, an Italian prisoner of war working for the family, heard mother's frantic calls and rushed to assist her. I was then taken to the maternity hospital for a check-up and a clean-up. As from day 1 I had to learn to stay out of the shit.I attented primary and secondary schools in Pretoria. At the early age of 10 I wrote my first poem about guineafowls, illustrating my lifelong love for and devotion to birds.In primary school I already was an avid reader with an enquiring mind. One book, The Wheel paricularly inspired me. The Wheel took me on an interesting, romantic and exotic journey to places around the world such as the pyramyds of Egypt, the Amazon jungle, ancient Greece, the Himalayas and the Great Wall of China.After school I enrolled at the University of Pretoria and obtained degrees in Antropology in 1967 and Archaeology in 1969. This was followed by nine other formal qualifications in later life in diverse subjects such as training, course development, property, estate agency, tourism and tour guiding. With more than a hint of an artist in me, I also studied graphic art concentrating on the lay-out of publications.The mainstay of my working life was, after a short spell in the Civil Service, at municipalities, in agricultural and tourism marketing and as secretary for an agricultural co-operative.As early as 1970 I started publishing newspaper and magazine articles throughout South Africa, followed later by a number of books in both Afrikaans and English. The books included short stories and a book on the life of Eugène Marais, as well as regional bird guides. I was owner and editor of the magazine, Natura, related to nature and nature conservation and especially the game farming aspect therof, and Aves, a newsletter for cage bird breeders.The flagship project of my books is the innovative and ground-breaking bird book, the 321 page 'SAPPI Birds of South Africa with Callfinder' (English and Afrikaans) as co-author. Apart from various innovative features, this is the first book in the world that conjures up bird calls by pointing the Callfinder instrument to a printed image. Since its publication in 2014, SAPPI Birds of South Africa has consistently been on Briza, its publisher's annual Top 10 list. This book was a sequel to two earlier regional bird guides.During the early 1980's I relocated to the Waterberg Bushveld and bough a small farm where I as a sideline ran a small holiday resort and started breeding cage birds.This led to my discoveries about the creation and changes in bird colours, which culminated in my research laying the foundation for the science of Avichroma and my new discoveries about colour blindness..It was also during my stay in the Waterberg that I introduced into South Africa, together with Marion Dunkeld, the Friends movement of volunteer involvement in and assitance to game reserves by the general public, and was co-founder and first Chairman of the Friends of Nylsvley Association, the first Friends group in South Africa.In Waterberg I intensively studied the changes that occur in bird colours, from the viewpoint that those changed colours were not spontaneously caused by nature, but that they were rather caused by some (unknown) defects.I started to look for patterns. Fortunately I was involved in the printing industry and had a sound knowledge of the CMYK lithographic printing process, wherein each of the three base colours is alloted the saturation number or value of 100. I studied printed images of lovebirds. Then an idea dawned upon me. I determined the colour saturation values for the different base colours of the birds in the printed pictures (as an example the values of cyan and yellow in stead of green), either where the colours stood alone or were in a mix, or fully saturated or less saturated, and then, suddenly, I discovered the pattern!Further research proved to me that there was not only a pattern for colour dilution, but in certain colours also for darkening or intensifying. And as the change of one colour led to changes in other colours elsewhere on the bird, I detected that only the three basic colours and black are responsible for all bird colours. Furthermore I found that each colour is only active in a specific block for each species, and that colour defects can decrease or intensify a colour’s saturation, or even result in patches of different colours in birds.With that knowledge I formulated my different theories of colour in birds, which I published for the first time in the South African bird breeder’s newsletter, AVES, No 21 of October 1988 (see below). It described 5 new and unknown bird genetic colour defects then discovered by me.When I discovered the Laws of Colour in birds, only about 13 of the 18 first level colour 'mutations' for the Rosy-faced Lovebird were known. I predicted the 'discovery' of the 5 other first level mutations - in fact, I even named them, and suggested changes to certain of the other mutations’ names to conform with the patterns that I discovered. Those 5 predicted mutations appeared as I predicted in bird breeder’s across the world's aviaries over the next couple of years.Whilst engaged in writing a series of bird books for the bird watchers in the United States of America, a project I embarked on in 2019, I realised that there were reports of rare sightings of a yellow morph of the beautiful Northern Cardinal. Scientists were quick to respond to this new discovery, but to my astonishment were all barking up the wrong tree in their explanations. Some, as usual, blamed spontaneous mututions. Other vehemently declared that it was as a result of carotonoid intake by these birds - both theories have major flaws - why would only certain birds and only males turn yellow, for instance, if the culprit would be carotonoids.At least three bird species in South Africa from time to time carry the same genetic colour defects, namely the Crimson-breasted Shrike, the Black-collared Barbet and the Red-collared Widowbird, and only I seemed to understand why.I realised that it was time to introduce my knowledge and my discoveries to the scientific world and to the birding and bird breeding fraternity a second time. I systemized my research into two books, one for bird watchers and one for bird breeders, and published them internationally in 2021. These books included my updated research findings in what I now call the Science of Avichroma as my contribution to advance the sciences of biology, genetics, heridity and optics.'Earlier I examed the Ishihara colour plates to determine if I could learn something from them about the bird colour changes. I found them quite illogical and cumbersone, and when I tried to study the science that they were based on, I was astounded to find that they were wrongly created from the additive light wave colours of red, green and blue. As these colours can only occupy space (or air) they are not in the human body. In the human body you find the three pigment based primary colours of cyan, magenta and yellow. The receptors in the eye, I found, changed the additive light to subtractive light in the eye. All forms of colour blindness and colour deficiences are, therefore, caused by defects in the human body's subtractive colour system and the colours of cyan, magenta and yellow. And these defects are exactly the same as those that cause colour changes in birds! This great discovery is disclosed in my book "Colour Blindness Breakthrough."
Read more from Herman Van Niekerk
Bird Colours Unravelled Rating: 0 out of 5 stars0 ratingsColour Blindness Breakthrough Rating: 0 out of 5 stars0 ratings
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How to Breed Cage Birds for Colour - Herman van Niekerk
How to Breed Cage Birds for Colour
New Discoveries Require New Approach
Herman van Niekerk
Smashwords edition 2021
Copyright H L van Niekerk
Copyright of images, drawings and maps: All material used with permission.
All rights and privileges regarding images retained by photographers,
artists and copyright holders.
All rights reserved.
This ebook is licensed for your personal enjoyment only. This ebook may not be resold or given away to other people. If you would like to share this book with another person, please purchase an additional copy for each recipient. If you are reading this book and did not purchase it, or if it was not purchased for your use only, then please return to your favorite ebook retailer and purchase your own copy. Thank you for respecting the hard work of this author.
Contents
Introduction
I Part 1: Understanding bird colours
1 Understand what is inherited in a bird
2 Colour is produced by one pigment and four dyes
3 Understand What is colour?
4 Colour bins and colour layers
5 The illusive magenta
6 There are three whites
7 Colour Blocks
8 Colour blocks and visual colours in birds sex-linked
9 Limitations of the human eye
10 The colours of the vestum
II Part 2: Defects in the display of colour in birds
11 Introduction to defects
12 Four important defects for breeding colours
13 Other colour defects to be aware of
14 Summary of defects changing bird colours
III Part 3 Breeding and the breeding program
15 Breeding in practice
15.1 Understand and breed the defects
15.2 Know the base colours and colour values
15.3 Plan breeding with virtual birds
15.4 Know and determine the species’ normal colour blocks
15.5 Know and identify each individual bird
15.6 Know the basic colours that can be bred
15.7 Determine each bird’s individual colour formulas per block
15.8 Use a CMYK colour slider on your computer
15.9 Understand how defects are inherited to following generations
15.10 Keep proper records and logs per bird and for bird family trees
15.11 Some practical lessons
IV Part 4: General
16 Some bird species’ colour blocks
17 Herman’s Laws of Colour in birds
18 A summary of my research
19 Further reading
20 Image Credits
Introduction
Keeping and breeding birds are of the most popular past times in the world, bringing about enjoyment, new discoveries, challenges, friendships and even an income to dedicated breeders. Large amounts of money is spent on acquiring breeding stock and caring for the birds in the aviaries. Literally thousands of books, guides and manuals have been written on the subject.
Yet up to now there has been one serious shortcoming. There is no accurate recipe for breeding birds of specific colours. By trial and error most breeders have devised tables of information where they describe that, for instance, crossing a white and a yellow bird, will result in a red offspring, but they do not know why!
This book now for the first time discloses new discoveries in the creation of bird colours that will allow bird breeders to exactly predict and plan bird breeding to achieve specific outcomes and colours. The new discoveries centre around three areas:
* Normal bird colours are a creation of only three basic colours, mixed in different proportions.
* Each bird species’ members have specific colour blocks on their bodies where the three colours are either active or not active.
* All colour changes are as a result of specific inheritable, identifiable and controllable defects. No colour change is spontaneous or a sudden new mutation!
Understanding bird colours is an interesting and fascinating subject, but very complex. The main reason for this is that the colours that the human eye perceives, are actually reflected or refracted light waves; the reflected light waves according to one of two different colour systems. To understand colours is, therefore a hybrid science between biology, optics, chromatics, chemistry, physics, psychology and genealogy.
Amazingly, and a very little known fact, is that the human eye can not detect the magenta colour of light waves, as it is not a colour on the visual colour spectrum. A magenta coloured bird in the aviary will, therefore, appear white to the human eye! But if the breeder wants to breed with it, he must know its true hidden colour – in this publication referred to