Animal breeding / by A.L. Hagedoorn.

  • Arend Lourens Hagedoorn
Date:
1950
Catalogue details

Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

Credit: Animal breeding / by A.L. Hagedoorn. Source: Wellcome Collection.

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    I Ñ Introduction II of genetics. In many chapters I feel that it is somewhat pre¬ sumptive on my part to ask my readers to accept my views with¬ out going into the mathematical proof necessary fully to under¬ stand my reasons. If any reader feels this as much as I do, I advise him to take Lush's book on Animal Breeding Plans, and to get the necessary statistics from this excellent book. My book has really grown out of my practical experience in co-operating with breeders, and out of my own activity as a breeder. My experience in animal breeding is the sum of the experience of the men who have co-operated with me in solving their practical difficulties. In many instances I am advocating what has never been put to the test of practical experience. In this we geneticists have to follow the example of the engineers who dare to plan a building or a bridge that has never been built before. The most extensive piece of engineering of this kind in the present book is my nucleus scheme of breeding the larger domestic animals. So far no herdbook society is planning to im¬ prove a breed along those lines, although I dare to prophesy that it will have to come to it in the near future. One of the reasons why I venture to recommend this scheme with the utmost confidence is that it has been tried out with very great success in poultry and ducks. I wish to thank Prof Hammond for suggesting the writing of this book, and I cordially acknowledge the encouragement and help received from several different friends, such as R. Bout- flour of the Royal Agricultural College, Cirencester; Mr. Hunter Smith, St. Albans; Dr. Mogens Plum, Copenhagen; Mr. R. van Vloten, Heelsum; and many others. At the end of this introduction I want to ask the reader's indulgence for having written this book in a foreign language. My own language, Dutch, happens to restrict the book to my own country, its colonies and South Africa, and I like to think that it will be useful to many more breeders when I use English. A. L. HAGEDOORN SOESTERBERG, HOLLAND
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