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What do the abbreviations in pedigrees stand for?
What is a Narrow Horn Set?
Horn set that is close to the head. They will be close to the cheek at maturity. As the horn continues to grow in width, it will crush the facial bones or grow into the skin causing infection. This may be heritable in the naturally two-horned ram, i.e. horns not formed by the fusing of four horns. In the four-horned ram the lower set may curl in towards the face, neck or jaw. This may be a heritable trait, or it may occur as a result of injury to the lower horn during the lamb’s first 6 to 9 months of age.
What means Polled?
Having naturally no horns.
What means Scur?
Scurs are incompletely developed horns which are generally loose and moveable beneath the skin, not attached to the skull. They range in size from small scab-like growths to occasionally almost as large as horns. Because the gene for scurs is transmitted separately, it has no effect on the presence or absence of horns.
What body of people are setting the standard and how are they coming to that standard?
The Djallonké (Cameroon sheep) sheep ranges from Senegal all the way to Botswana. And this in 14 countries in Africa. During colonial administration but also in the past 50years after the independence of many countries, National Agricultural and Livestock Research Institutes have documented the breed. Going from breeding data, body measurements, phenotype listing, genetic tests... All this data has been compared and saved in the databases of the International Livestock Research Institute (ILRI) (an international agricultural research institute within the CGIAR – formerly the Consultative Group for International Agricultural Research) backed by the Food and Agriculture Organization of the United Nations (FAO). Which are the second highest and highest Agricultural monitoring bodies in the world.
(The which all 193 members within the UN have ratified.) When a certain breed occurs in multiple locations in Africa and has the same appearance and genetics. Then it is agreed among the member states's research stations to record these general characteristics as breed standard.